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Sat, Feb 28, 2015 8:32 pm

Including one HTML file within another with iframe

With PHP, if you wish to pull code into a PHP file from another file, you can use include(path/filename);. If you wish to include an HTML file within another HTML file, one way to do it is by using the inline frame element IFRAME . E.g., if I wished to include HTML code from two HTML files and have the contents of those files appear on the right side of the web page in which I am including them, I could use the following:

<div style="float: right;">
<iframe src="/dir1/file1.html" height="2000" scrolling="no" style="border: none;"></iframe><br>
<iframe src="/dir2/file2.html" height="1225" scrolling="no" style="border: none;"></iframe>

You can control both the height and the width of the iframe. E.g., above the first iframe element is 2,000 pixels long and the second one is 1,225 pixels long. The width was not specified above, but also could be specified with width=n where n is the width in pixels. If the frame height isn't long enough and I wanted a scroll bar to appear, I wouldn't include scrolling="no". A border will appear around the iframe by default, but can be removed with style="border: none;". I put a <br> between the two iframes to have them both appear on the right one beneath the other.

[/network/web/html] permanent link

Sat, Feb 28, 2015 5:49 pm

Setting span to be the width of a div

I wanted to display the output of a program I ran at a shell prompt on a Linux system with HTML code rather than a screen shot. I wanted the output to look like the following with the black background on the header line for the columns to extend across the width of the div I used to enclose the HTML code for the display of the output:

Linux Network Bandwidth Monitor $Revision: 1.3 $ on localhost.localdomain

   Interface    Received(Kbps) Transmit(Kbps)     Total(Kbps)
      enp1s4           26.621         960.960         987.581
          lo            0.000           0.000           0.000

         All           26.621         960.960         987.581

System uptime: 5 days 5 hours 41 minutes and 2 seconds

I started the display with <div><pre> and ended it with </pre></div>. When I tried enclosing it within a div tag, the W3C Markup Validation Service complained that the div wasn't allowed where I had placed it within the surrounding pre tags, so I tried the following to stretch the span to the length of the div:

<span style="background-color: black; color: white; width: 100%">

But it produced the following:

Linux Network Bandwidth Monitor $Revision: 1.3 $ on localhost.localdomain

   Interface    Received(Kbps) Transmit(Kbps)     Total(Kbps)
      enp1s4           26.621         960.960         987.581
          lo            0.000           0.000           0.000

         All           26.621         960.960         987.581

System uptime: 5 days 5 hours 41 minutes and 2 seconds

The reason it didn't work was because by default <span> is an inline element, which means, it does not have a width or height. So setting the CSS attributes width and height on <span> will not work. I was able to get it to work by following the tip at How to Create a Fixed Width Span in HTML/CSS?:

In order to give a height and width to a span, you have to convert it to a block level element. Setting the style as “display: inline-block” will make it a block element with width and height, still displaying as inline element.

When I used the following CSS, I got the result I wanted:

<span style="background-color: black; color: white; display: inline-block; width: 100%"> Interface Received(Kbps) Transmit(Kbps) Total(Kbps)</span>

[/network/web/html/css] permanent link

Fri, Feb 27, 2015 11:58 pm

Viewing installed Windows updates from a command prompt

If you wish to get a list of the installed updates on a Microsoft Windows system from the command line, you can use the command wmic qfe list. You will see something like the following as output:

C:\Users\JDoe>wmic qfe list | more
Caption                                        CSName      Description      FixC
omments  HotFixID   InstallDate  InstalledBy             InstalledOn  Name  Serv
icePackInEffect  Status  THELMA-LOU  Update
         KB2849697               NT AUTHORITY\SYSTEM     12/11/2013  THELMA-LOU  Update
         KB2849696               NT AUTHORITY\SYSTEM     12/11/2013  THELMA-LOU  Update
         KB2841134               NT AUTHORITY\SYSTEM     12/11/2013                  THELMA-LOU  Update
         KB2670838               NT AUTHORITY\SYSTEM     2/27/2013  THELMA-LOU  Update
         KB971033                NT AUTHORITY\SYSTEM     11/3/2010     THELMA-LOU  Security Update
         KB2305420               NT AUTHORITY\SYSTEM     12/16/2010     THELMA-LOU  Security Update
         KB2393802               NT AUTHORITY\SYSTEM     2/10/2011

-- More  --

Since the list may be fairly long, you may want to redirect the output to a file. E.g.:

C:\Users\JDoe>wmic qfe list >installed_updates.txt


Another alternative that will provide just the "KB" identifier for each update is to use systeminfo | find ": KB". The list below is the output from a Windows 7 Professional system [Version 6.1 (Build 7601: Service Pack 1) on February 27, 2015. As you can see the list is fairly lengthy.

C:\Users\JDoe>systeminfo | find ": KB"
                           [01]: KB2849697
                           [02]: KB2849696
                           [03]: KB2841134
                           [04]: KB2670838
                           [05]: KB971033
                           [06]: KB2305420
                           [07]: KB2393802
                           [08]: KB2425227
                           [09]: KB2475792
                           [10]: KB2476490
                           [11]: KB2479628
                           [12]: KB2479943
                           [13]: KB2484033
                           [14]: KB2485376
                           [15]: KB2487426
                           [16]: KB2488113
                           [17]: KB2491683
                           [18]: KB2492386
                           [19]: KB2497640
                           [20]: KB2503658
                           [21]: KB2503665
                           [22]: KB2505438
                           [23]: KB2506014
                           [24]: KB2506212
                           [25]: KB2506223
                           [26]: KB2506928
                           [27]: KB2507618
                           [28]: KB2507938
                           [29]: KB2508272
                           [30]: KB2508429
                           [31]: KB2509553
                           [32]: KB2510531
                           [33]: KB2511250
                           [34]: KB2511455
                           [35]: KB2515325
                           [36]: KB2518869
                           [37]: KB2522422
                           [38]: KB2524375
                           [39]: KB2525694
                           [40]: KB2529073
                           [41]: KB2530548
                           [42]: KB2532531
                           [43]: KB2533552
                           [44]: KB2533623
                           [45]: KB2534366
                           [46]: KB2536275
                           [47]: KB2536276
                           [48]: KB2539635
                           [49]: KB2541014
                           [50]: KB2544893
                           [51]: KB2545698
                           [52]: KB2547666
                           [53]: KB2552343
                           [54]: KB2555917
                           [55]: KB2556532
                           [56]: KB2559049
                           [57]: KB2560656
                           [58]: KB2562937
                           [59]: KB2563227
                           [60]: KB2563894
                           [61]: KB2564958
                           [62]: KB2567053
                           [63]: KB2567680
                           [64]: KB2570791
                           [65]: KB2570947
                           [66]: KB2572077
                           [67]: KB2579686
                           [68]: KB2584146
                           [69]: KB2585542
                           [70]: KB2586448
                           [71]: KB2588516
                           [72]: KB2603229
                           [73]: KB2604115
                           [74]: KB2607576
                           [75]: KB2607712
                           [76]: KB2616676
                           [77]: KB2617657
                           [78]: KB2618444
                           [79]: KB2618451
                           [80]: KB2619339
                           [81]: KB2620704
                           [82]: KB2620712
                           [83]: KB2621440
                           [84]: KB2631813
                           [85]: KB2633873
                           [86]: KB2633952
                           [87]: KB2639308
                           [88]: KB2639417
                           [89]: KB2640148
                           [90]: KB2641653
                           [91]: KB2641690
                           [92]: KB2644615
                           [93]: KB2645640
                           [94]: KB2647518
                           [95]: KB2647753
                           [96]: KB2653956
                           [97]: KB2654428
                           [98]: KB2655992
                           [99]: KB2656356
                           [100]: KB2656373
                           [101]: KB2656411
                           [102]: KB2658846
                           [103]: KB2659262
                           [104]: KB2660075
                           [105]: KB2660465
                           [106]: KB2660649
                           [107]: KB2661254
                           [108]: KB2665364
                           [109]: KB2667402
                           [110]: KB2676562
                           [111]: KB2677070
                           [112]: KB2679255
                           [113]: KB2685811
                           [114]: KB2685813
                           [115]: KB2685939
                           [116]: KB2686831
                           [117]: KB2688338
                           [118]: KB2690533
                           [119]: KB2691442
                           [120]: KB2695962
                           [121]: KB2698365
                           [122]: KB2699779
                           [123]: KB2705219
                           [124]: KB2709162
                           [125]: KB2709630
                           [126]: KB2709715
                           [127]: KB2712808
                           [128]: KB2718523
                           [129]: KB2718704
                           [130]: KB2719857
                           [131]: KB2719985
                           [132]: KB2724197
                           [133]: KB2726535
                           [134]: KB2727528
                           [135]: KB2729094
                           [136]: KB2729452
                           [137]: KB2731771
                           [138]: KB2731847
                           [139]: KB2732059
                           [140]: KB2732487
                           [141]: KB2732500
                           [142]: KB2735855
                           [143]: KB2736233
                           [144]: KB2736422
                           [145]: KB2739159
                           [146]: KB2741355
                           [147]: KB2742599
                           [148]: KB2743555
                           [149]: KB2749655
                           [150]: KB2750841
                           [151]: KB2753842
                           [152]: KB2756822
                           [153]: KB2756921
                           [154]: KB2757638
                           [155]: KB2758857
                           [156]: KB2761217
                           [157]: KB2761226
                           [158]: KB2762895
                           [159]: KB2763523
                           [160]: KB2769369
                           [161]: KB2770660
                           [162]: KB2773072
                           [163]: KB2778344
                           [164]: KB2778930
                           [165]: KB2779030
                           [166]: KB2779562
                           [167]: KB2785220
                           [168]: KB2786081
                           [169]: KB2786400
                           [170]: KB2789645
                           [171]: KB2790113
                           [172]: KB2790655
                           [173]: KB2791765
                           [174]: KB2798162
                           [175]: KB2799494
                           [176]: KB2799926
                           [177]: KB2800095
                           [178]: KB2803821
                           [179]: KB2804579
                           [180]: KB2807986
                           [181]: KB2808679
                           [182]: KB2808735
                           [183]: KB2813170
                           [184]: KB2813347
                           [185]: KB2813430
                           [186]: KB2813956
                           [187]: KB2820197
                           [188]: KB2820331
                           [189]: KB2829361
                           [190]: KB2830290
                           [191]: KB2832414
                           [192]: KB2833946
                           [193]: KB2834140
                           [194]: KB2834886
                           [195]: KB2835361
                           [196]: KB2835364
                           [197]: KB2836502
                           [198]: KB2836942
                           [199]: KB2836943
                           [200]: KB2839894
                           [201]: KB2840149
                           [202]: KB2840631
                           [203]: KB2843630
                           [204]: KB2844286
                           [205]: KB2845187
                           [206]: KB2845690
                           [207]: KB2846960
                           [208]: KB2847077
                           [209]: KB2847311
                           [210]: KB2847927
                           [211]: KB2849470
                           [212]: KB2850851
                           [213]: KB2852386
                           [214]: KB2853952
                           [215]: KB2859537
                           [216]: KB2861191
                           [217]: KB2861698
                           [218]: KB2861855
                           [219]: KB2862152
                           [220]: KB2862330
                           [221]: KB2862335
                           [222]: KB2862966
                           [223]: KB2862973
                           [224]: KB2863058
                           [225]: KB2863240
                           [226]: KB2864058
                           [227]: KB2864202
                           [228]: KB2868038
                           [229]: KB2868116
                           [230]: KB2868623
                           [231]: KB2868626
                           [232]: KB2868725
                           [233]: KB2871997
                           [234]: KB2872339
                           [235]: KB2875783
                           [236]: KB2876284
                           [237]: KB2876315
                           [238]: KB2876331
                           [239]: KB2882822
                           [240]: KB2883150
                           [241]: KB2884256
                           [242]: KB2887069
                           [243]: KB2888049
                           [244]: KB2891804
                           [245]: KB2892074


Though 245 are shown above, when I looked at the output of systeminfo without filtering the output with the find command I saw the following line immediately before the list of 245 KB numbers.

Hotfix(s):                 366 Hotfix(s) Installed.

Another option is to use the free WinUpdatesList (WUL) from NirSoft - see Checking Installed Updates with WinUpdatesList (WUL).

[/os/windows/commands] permanent link

Thu, Feb 26, 2015 10:04 pm

Adding a new DNS zone to a Windows Server 2012 DNS server

A Windows Server 2012 Essentials system can function as a Domain Name System (DNS) server. If the system is functioning as a DNS server you can add additional zones that are integrated with Active Directory (AD) or you can add them as file-based zones as you would on a Unix/Linux DNS server. The Windows DNS server can be configured to support forward or reverse lookup zones. A primary, secondary, or stub zone can be added.

[ More Info ]

[/network/dns/windows] permanent link

Thu, Feb 26, 2015 5:37 pm

Conditional formatting with "and" and "or"

I have a spreadsheet I maintain with Microsoft® Excel® 2008 for Mac that I use to track work requests. I color code cells in the spreadsheet so that I can easily identify requests requiring attention or that I need to keep a closer eye on. I use Excel's conditional formatting capability to implement the color coding. Excel only provides a maximum of 3 conditions for conditional formatting, but you can employ formulas using the logical "and" and "or" connectives to use multiple criteria for an individual condition to provide additional flexibility with conditional formatting.

E.g., I have an "Expedite" column, column "O", in the spreadsheet where I place a "Y", if the work request requires an expedited implementation. The normal implementation time should be within 5 business days, but sometimes requests require a more immediate implementation. I also have a status column, column "B", that shows whether a request has been completed or is in some other state, such as "approved", "pending", "clarification required", etc. In any case where there is a "Y" in the Expedite column and the value in the status column doesn't equal "Completed", I want to make the background of the cell where the "Y" appears in the Expedite column red, so I can easily spot ones that I need to track closely to ensure they are completed by the given deadline for the request. I can easily do that with conditional formatting.

To apply that formatting, I can click on one of the cells in column "O", which is the "Expedite" column and then click on Format and select Conditional Formatting and set a formula for the cell. E.g., if I've selected the first row in the spreadsheet, I can use the formula below:


The formula specifies that if cell B1 doesn't contain the text "Completed" and cell O1 contains "Y", then the condition is met. I can click on the Format button and then pick the color I want to apply to the cell background, in this case I want it colored red. Conditions that form the logical conjunction are separated by commas.

Conditional Formatting - And

You can also apply conditional formatting with an "or" condition and copy the conditional formatting to other cells as explained there.

[/os/windows/office/excel] permanent link

Wed, Feb 25, 2015 11:22 pm

Where PuTTY Stores SSH port forwarding information

You can configure PuTTY, a free telnet/SSH client program, to port forward connections over an SSH connection by going to "SSH" then "Tunnels" when configuring a session.

PuTTY Configuration - Port Forwarding

Once you've added instances of port forwarding you can't edit those instances through the PuTTY configuration window though you can remove them and add new ones. The information for port forwarding is stored in the registry under the following key where Session_Name is the name for a stored session:


Updates are stored when you save a session.

E.g., if I saved a session with the name Omega using the tunneling configuration shown above, the registry entry at HKEY_CURRENT_USER\Software\SimonTatham\PuTTY\Sessions\Omega for a dynamic SOCKS proxy at port 1080 and forwarding for RDP using local port 30,089 forwarded to port 3389 on a system with IP address would be as follows:

Value name:PortForwardings
Value data:D1080=,L30089=

Regedit - PuTTY Port Forwardings

I could change the details for the port forwardings by editing the registry entry. I would see the changed values when I loaded the session. I could check the information from a command prompt with the following command:

C:\>reg query "HKEY_CURRENT_USER\Software\SimonTatham\PuTTY\Sessions\Omega" /v PortForwardings

    PortForwardings    REG_SZ    D1080=,L30089=

[/os/windows/network/ssh/putty] permanent link

Mon, Feb 23, 2015 11:48 pm

Disabling notifications for incoming email in Outlook 2013

To disable notifications when email arrives in Outlook 2013, take the following steps:
  1. Select File.
  2. Select Options.
  3. Select Mail.
  4. Uncheck the box next to "Play a sound" if you don't want to hear a sound. If you don't want alerts to pop up, uncheck "Display a Desktop Alert"
  5. Click on OK

[/os/windows/office/outlook] permanent link

Sun, Feb 22, 2015 5:27 pm

Checking on whether a Windows system can be hibernated

On a Microsoft Windows system, you can enable the hibernation feature using the command powercfg /hibernate on or pwercfg /h on.

When you hibernate a Microsoft Windows system, the contents of memory are written to a file, hiberfil.sys, in c:\. If a system has been hibernated, when you power it back on, the contents of hiberfil.sys are read from disk into memory, so bringing a system up from hibernate mode will take longer than bringing it back from sleep mode, which is a power saving mode where the system state is saved to memory.

To check if hibernate mode is available, you can issue the command powercfg /availablesleepstates at a command prompt. E.g., the following example shows the output of the command on a Microsoft Windows 8 system on which hibernate mode has been enabled.

C:\>powercfg /availablesleepstates
The following sleep states are available on this system:
    Standby (S3)
    Hybrid Sleep
    Fast Startup

The following sleep states are not available on this system:
    Standby (S1)
        The system firmware does not support this standby state.

    Standby (S2)
        The system firmware does not support this standby state.

    Standby (Connected)
        The system firmware does not support this standby state.

Since hibernate mode is enabled on the system, I can use shutdown /h at a command prompt on the system to hibernate he system, even though "hibernate" doesn't appear as one of the options when shutting down the system through the Windows GUI

The example below shows the output from the powercfg /availablesleepstates command issued on a Windows Server 2012 Essentials system after hibernate mode was enabled.

C:\>powercfg /availablesleepstates
The following sleep states are available on this system:
    Fast Startup

The following sleep states are not available on this system:
    Standby (S1)
        The system firmware does not support this standby state.
        An internal system component has disabled this standby state.

    Standby (S2)
        The system firmware does not support this standby state.
        An internal system component has disabled this standby state.

    Standby (S3)
        An internal system component has disabled this standby state.

    Standby (Connected)
        The system firmware does not support this standby state.

    Hybrid Sleep
        Standby (S3) is not available.


  1. Enabling hibernation on a Windows Server 2012 Essentials system
    Date: February 8, 2015
    MoonPoint Support

[/os/windows/commands] permanent link

Sun, Feb 22, 2015 1:06 pm

Installing Evernote Web Clipper for Chrome

To be able to use Evernote Web Clipper with Chrome, you can take the following steps.
  1. Inside the Chrome browser, click on the menu bar button, which is represented by 3 horizontal lines, one beneath the other, in the top, right-hand corner of the Chrome browser window.
  2. Click on More Tools.
  3. Select Extensions.
  4. Scroll down to you see "Get more extensions" then click on the link for it.
  5. In the "Search the store" field, type Evernote and hit Enter .
  6. Click on "Evernote Web Clipper"
  7. At the "Evernote Web Clipper" page, click on the "+ ADD TO CHROME" button to install the extension.
  8. At the "Confirm New Extension" popup message, click on "Add". You should see a message stating Evernote has been added to Chrome when the installation has completed. You can then sign into your Evernote account.

The icon for Evernote, which is an elephant's head, should then appear next to the Chrome menu bar without having to restart Chrome. You should also see "Evernote Web Clipper" listed as enabled in the Chrome extensions list. You can click on "options" for Evernote Web Clipper in the extensions list to set option values.

Once the extension has been installed You will be able to see the web pages you have saved in Evernote and add additional pages to your Evernote archive.

Note: instructions tested with Chrome 40.0 on a Microsoft Windows system, but should apply to other versions and operating systems as well.

[/network/web/browser/chrome] permanent link

Sat, Feb 21, 2015 9:54 pm

Monitoring an UPS with Windows Server 2012

After connecting a new APC 1300 VA model number BX1300G UPS to a Windows Server 2012 Essentials system, I found that I didn't need to install the UPS manufacturer's software for monitoring the battery state in the UPS. Windows automatically detected the UPS and provided information on the battery charge for the UPS. I had previously enabled hibernation mode on the server, so I configured the system to hibernate when the battery charge for the UPS becomes critically low.

[ More Info ]

[/os/windows/server2012] permanent link

Thu, Feb 19, 2015 11:01 pm

Enabling DNS Logging for Windows Server 2012

I wanted to log DNS queries and responses from all systems using a Windows Server 2012 DNS server, so that I would have DNS logs available for reference in the event of issues related to malware, etc. I also wanted to rotate the log files every night, so that the file size wouldn't grow continually until it reached the maximum 500 MB size I specified for the log file. Instructions for doing so for a Windows Server 2012 system are here. Instructions for doing so on a Microsoft Windows Small Business Server (SBS) are at Enabling DNS Logging on a Windows SBS 2003 Server.

[/network/dns/windows/logging] permanent link

Tue, Feb 17, 2015 8:20 pm

Kaspersky Small Office Security 3 Proxy server is not found

On a system running Small Office Security 3 from Kaspersky Lab International Ltd.1x1 px, I was notified that the antivirus database was not up-to-date. When I had the software attempt to update the virus definitions, I saw the message "Update Center: Task failed. Proxy server is not found."

Kaspersky - proxy server not found

When I viewed the details, the "Detailed report" showed " Update Center: failure (65)"

I then realized I had recently configured Internet Explorer on the system to use a SOCKS proxy server - see Configuring IE 10 to use an SSH SOCKS Proxy Server - so Kaspersky Small Office Security 3 must automatically use the system proxy settings, since I had not altered the configuration of the Kaspersky software, but be unable to communicate with sites if the system proxy setting is configured to use a SOCKS proxy rather than an HTTP proxy. I encountered the same issue with Firefox when it was configured to use the system proxy settings.

I configured Internet Explorer not to use a proxy server and then clicked on the update button within Kaspersky Small Office Security 3. It was then able to update its databases.

[/security/antivirus/Kaspersky] permanent link

Tue, Feb 17, 2015 5:43 pm

Changing the Forwarders in the DNS Manager for Windows Server 2012

If a Windows Server 2012 system is functioning as a DNS server and you need to change the DNS servers it is using as forwarders, i.e., the ones to which it is forwarding DNS requests for external DNS names it can't resolve locally, take the following steps:
  1. Use Ctrl-Esc to get to the Start window where you can click on Administrative Tools.
  2. Double-click on DNS.
  3. In the right pane of the DNS Manager window, double-click on Forwarders.
  4. Click on the Edit button to edit the list of forwarders. You can then add, delete, or modify IP adresses for forwarders.
  5. Click on OK once you have made the needed changes, then click on OK again. You can then close the DNS Manager window.

A DNS server that is configured to use a forwarder functions as follows:

  1. When the DNS server receives a query, it will attempt to resolve the query by using the zones that it hosts and by using its cache.
  2. If it can't resolve the query using local data, the DNS server forwards the query to a DNS server that is designated as a forwarder.
  3. If no forwarders are available, the DNS server will attempt to use its root hints to resolve the query.

When a DNS server forwards a query to a forwarder, it sends a recursive query to a DNS server designated as a forwarder rather than an iterative query that a DNS server sends to another DNS server during standard name resolution (name resolution that does not involve a forwarder).

If you would like further information on forwarders and conditional forwarders, see Understanding Forwarders.

[/os/windows/server2012] permanent link

Tue, Feb 17, 2015 11:46 am

Reverting to a prior revision in Google Sheets

I sorted a spreadsheet created in Google Sheets on a column containing a date in order to revert to my original ordering of the data after sorting on a column containing numbers. The spreadsheet had a header row and another row at the bottom of the column where I summed values in the column I had first sorted on. I was hoping merely to undo the result of the numerical sort and get back to the sorting by date, but I found that the sort on the date column put the header row at the bottom of the worksheet along with the monthly sort by numeric value, i.e., it sorted on those rows as well. I could have avoided including those in the sort by selecting just the rows I wanted sorted by clicking on the first row I wanted sorted and then the last one while holding down the shift key, but I hadn't done that.

I couldn't find any way to unsort the data, i.e., to turn off the sorting to revert to my original ordering, but Google Sheets does provide the capability to revert to a prior version of a document. To do so, click on "File" at the top of the workbook then select "See revision history", which you can also get to by Ctrl+Alt+Shift+G. You will then see a "Revision history" list with the times of prior revisions. You can select one of those to restore a prior version of the workbook. When you click on the entry for a prior revision, a link will appear beneath it to "Restore this revision". You will also be shown the workbook as it looked for the prior revision, so you can decide whether that is the revision you wish to restore before actually restoring it.

[/network/web/services/google] permanent link

Mon, Feb 16, 2015 9:26 pm

phpMyAdmin 4.3.6 on CentOS 7

When I tried accessing phpmyadmin on a CentOS 7 server running the Apache webserver software using, I received the message below:


You don't have permission to access /phpmyadmin on this server.

I got the same error if I tried using the IP address of the system instead of

I could see the phpMyAdmin files on the system in /usr/share/phpMyAdmin and the rpm command showed the package for it was installed on the system.

# rpm -qa | grep Admin

And when I logged into the web server, opened a browser, and pointed it to http://localhost/phpmyadmin, I was able to get the phpMyAdmin login prompt. I could also get to the setup page at http://localhost/phpmyadmin/setup. I still received the "forbidden" error message if I tried the IP address of the system in the address bar of the browser while logged into the system, though.

I encountered the same error message about 4 years ago as noted in Installing phpMyAdmin on a CentOS System Running Apache. In that case my notes indicated I edited the phpmyadmin.conf file to add access from an additional IP address. But when I looked for a phpadmin.conf file on the current system, there was none to be found. After a little further investigation, though, I found I should have been looking for phpMyAdmin.conf rather than phpmyadmin.conf. I.e., I needed to look for a file with a capital "M" and "A" in the file name.

# locate phpMyAdmin.conf

I then added 192.168 after the instances of the localhost address,, in the Directory /usr/share/phpMyAdmin/ section of /etc/httpd/conf.d/phpMyAdmin.conf as shown below, since the other systems on the LAN had addresses in the range, so I could access phpMyAdmin from any other system on the LAN.

<Directory /usr/share/phpMyAdmin/>
   AddDefaultCharset UTF-8

   <IfModule mod_authz_core.c>
     # Apache 2.4
       Require ip 192.168
       Require ip ::1
   <IfModule !mod_authz_core.c>
     # Apache 2.2
     Order Deny,Allow
     Deny from All
     Allow from 192.168
     Allow from ::1

I then restarted the Apache web server software by running apachectl restart from the root account. I was then able to access phpMyAdmin using the internal IP address of the system, e.g.,, though didn't work because even though I was trying to access the server from a system on the same LAN by using the fully qualified domain name (FQDN), I was then accessing the system by the external address on the outside of the firewall/router it sits behind. But, in this case, accessing it by IP address was sufficient.

[/network/web/tools/phpmyadmin] permanent link

Mon, Feb 16, 2015 3:59 pm

Scheduling a task to run periodically with schtasks

On newer versions of the Microsoft Windows operating system, such as Windows 2008 and Server 2012, the at command that could be used on earlier versions of Windows to schedule the execution of batch jobs at a specified interval has been deprecated. The command has been replaced with schtasks. You can use schtasks to specify how frequently a batch job should be run, the account it should be run from, the time the task should run, an end time, end date, etc.

C:\Users\JDoe>schtasks /?

SCHTASKS /parameter [arguments]

    Enables an administrator to create, delete, query, change, run and
    end scheduled tasks on a local or remote system.

Parameter List:
    /Create         Creates a new scheduled task.

    /Delete         Deletes the scheduled task(s).

    /Query          Displays all scheduled tasks.

    /Change         Changes the properties of scheduled task.

    /Run            Runs the scheduled task on demand.

    /End            Stops the currently running scheduled task.

    /ShowSid        Shows the security identifier corresponding to a scheduled t
ask name.

    /?              Displays this help message.

    SCHTASKS /Run /?
    SCHTASKS /End /?
    SCHTASKS /Create /?
    SCHTASKS /Delete /?
    SCHTASKS /Query  /?
    SCHTASKS /Change /?
    SCHTASKS /ShowSid /?

[ More Info ]

[/os/windows/commands] permanent link

Sun, Feb 15, 2015 10:42 pm

Using PuTTY to set up a SOCKS Proxy Connection

A SOCKS proxy can be set up from a system using an encrypted tunnel established via an SSH connection to an SSH server, e.g., see Creating a Socks Proxy Server with SSH. On a Microsoft Windows system, the free PuTTY telnet and SSH client software can be used to set up such a connection. After configuring PuTTY to establish a SOCKS proxy via its connection to the SSH server, any browser that supports SOCKS proxies, such as Internet Explorer, Chrome, Firefox, etc., can be configured to route its traffic to web servers via the SOCKS proxy.

[ More Info ]

[/network/proxy] permanent link

Sat, Feb 14, 2015 11:19 pm

Determining image information from the command line on OS X using file

For a file that is an image, you can determine the type of image from a shell prompt, e.g., from a Terminal window, on an OS X system using the file command:

$ file menu_button
menu_button: PNG image data, 18 x 18, 8-bit/color RGB, non-interlaced

For PNG images, the command will also reveal the size of the image, e.g., for the example above the image is 18 pixels wide by 18 pixels high. The first number is the width and the second number is the height, though in this case the height equals the width.

The command can be useful if a file has a missing extension or if you need to verify that the file extension matches the actual image type.

The command determines the type of image stored in a file from a "magic number" stored near the beginning of the file. For PNG images, the PNG file header, which is the first 8 bytes of the file, will contain ASCII 89 P N G cr nl sub nl. CR represents a carriage return (octal 15, decimal 13, hexadecimal 0D) and NL represents a newline, aka line feed, character (decimal 10, octal 12, hexadecimal 0A). ASCII SUB is octal 032, decimal 26 and hexadecimal 1A. The first character before "PNG" is octal 211, which is decimal 137 and hexadecimal 89.

You can see the characters at the beginning of the file using the od utility, which is a filter which displays the specified files, or standard input if no files are specified, in a specified format. Supported formats include octal, decimal, hexadecimal, or ASCII. E.g, to display the first 8 bytes of a file in ASCII format, you can use the -a option to display the data in ASCII format and the -N option to display only the first 8 bytes.

$ od -a -N 8 menu_button 
0000000   89   P   N   G  cr  nl sub  nl                                

The 89 is the hexadecimal number for the first byte; that is 137 in decimal and 211 in octal. The first 8 bytes in octal format are shown below:

$ od -b -N 8 menu_button 
0000000   211 120 116 107 015 012 032 012                                

The hexdump command with the -C ("C" stands for "canonical") option can be used to display both hexadecimal and ASCII output at the same time.

$ hexdump -C -n 8 menu_button
00000000  89 50 4e 47 0d 0a 1a 0a                           |.PNG....|

For GIF files, file displays the size of the image with the first number, 165 in the example below, being the width and the second number, 57, being the height.

$ file home.gif
home.gif: GIF image data, version 89a, 165 x 57

File can determine that a file is a GIF file because for a GIF file the first 6 characters of the file will be ASCII GIF87a.

$ od -a -N 6 home.gif
0000000    G   I   F   8   9   a                                        

You can display both the hexadecimal and ASCII characters with the hexdump command using the -C option.

$ hexdump -C -n 6 home.gif
00000000  47 49 46 38 39 61                                 |GIF89a|

For JPG files, the file command won't display the image dimensions, but will display any comments stored within the image.

$ file A12.jpg
A12.jpg: JPEG image data, JFIF standard 1.01, comment: "Processed By eBay with ImageMag"

The first two bytes of a JPG file are hexadecimal FF D8 and the last two bytes in the file are hexadecimal FF D9

$ hexdump -n 2 A12.jpg
0000000 ff d8                                          
$ hexdump A12.jpg
<text snipped>
00047c0 17 b2 96 08 0b 42 70 10 38 01 33 45 d0 7f ff d9

[/os/os-x] permanent link

Sat, Feb 14, 2015 4:43 pm

Correcting "Windows Installer Service could not be accessed" Problem

When I tried to install Norton Ghost 7.5 on a Windows Small Business Server (SBS) 2003 server, I received the message below:
Windows Installer
The Windows Installer Service could not be accessed.
This can occur if you are running Windows in safe
mode, or if the Windows Installer is not correctly
installed. Contact your support personnel for assistance.

[ OK ]

I downloaded Windows Installer 3.1 Redistributable (v2) From Microsoft's Download Center and installed it, but I got the same results when I tried to reinstall Symantec Ghost 7.5.

Microsoft's article, "Error 1719: The Windows Installer service could not be accessed" error message when you try to add or remove a program states the behavior may occur if the following conditions are true:

I was starting the Symantec Gost 7.5 installation process from a CD with an autorun file, but I noticed there was a file, Symantec Ghost.msi in an Install directory on the CD. The installation process likely uses the .msi file for the installation.

Microsoft's article recommends steps to resolve the problem. You should first determine the location of the file msiexec.exe on your system. The file will be in the Windows system32 directory, which is usually either C:\Windows\system32 or C:\WINNT\system32 for versions of Windows after Windows 98. For Windows 98 the file is usually in C:\Windows\System. You can search for the file or you can determine the Windows directory by obtaining a command prompt and checking the value of the %WINDIR% environment variable with echo %WINDIR%, which will tell you which directory is the Windows directory on a system. You can then verify that msiexec.exe is in that directory.

C:\>dir %WINDIR%\system32\msiexec.exe
 Volume in drive C has no label.
 Volume Serial Number is E88C-7773

 Directory of C:\Windows\system32

03/21/2005  02:00 PM            78,848 msiexec.exe
               1 File(s)         78,848 bytes

You then need to check the registry to make sure that HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSIServer\ImagePath has a value that corresponds to the actual location of the msiexec.exe file on the system. You can do so using the regedit command or using a reg query command from a command prompt.

C:\>reg query HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSIServer

    Description    REG_SZ    Adds, modifies, and removes applications provided a
s a Windows Installer (*.msi) package. If this service is disabled, any services
 that explicitly depend on it will fail to start.
    Type    REG_DWORD    0x20
    Start    REG_DWORD    0x3
    ErrorControl    REG_DWORD    0x1
    ImagePath    REG_EXPAND_SZ    C:\Windows\system32\msiexec.exe /V
    DisplayName    REG_SZ    Windows Installer
    DependOnService    REG_MULTI_SZ    RpcSs
    DependOnGroup    REG_MULTI_SZ
    ObjectName    REG_SZ    LocalSystem


If the msiexec.exe file is in C:\Windows\System32, you should see C:\Windows\System32\Msiexec.exe /V as the value in the key. In the case of the system I was working on, the file location matched the registry value.

If the values don't match, you will need to enter the correct path in the registry or put the file in the directory listed in the registry. Once the values match, you will need to reregister the msiexec.exe file. To do so, restart the computer in Safe Mode (hit F8 to get the menu of boot options before Windows starts when you reboot).

Once you've logged into an administrator account on the system in Safe Mode, you will need to use the following procedure:

Click Start, click Run, type the following line, and then click OK:

msiexec /regserver

Note: For 64-bit operating systems, you also need to reregister the 64-bit MSI installer. To do this, click Start, click Run, type the following line, and then click OK:

Drive:\Windows\Syswow64\Msiexec /regserver

On 64-bit editions of a Windows operating system, 32-bit binaries are located in %systemroot%\SysWow64 folder. 64-bit binaries are located in the %systemroot%\System32 folder.

Once you have reregistered the msiexec.exe file, you will need to reboot into standard mode. Then try the installation process again that failed previously. If that fails, Microsoft does offer another alternative for dealing with the problem. See "Method 2" at "Error 1719: The Windows Installer service could not be accessed" error message when you try to add or remove a program.

In my case, I was then able to successfully reinstall Symantec Ghost 7.5 on the system, though I did receive another error at the end of the process that was not associated with the previous installer problem. The error I received at the end is shown below.

Symantec Ghost Configuration Server
08001 [Sybase[[ODBC driver][Adaptive Server Anywhere]Unable to connect to
database server: Database server not running

[ OK ]


  1. Windows Installer 3.1 Redistributable (v2)
    Date Published: September 2, 2005
    Microsoft Download Center
  2. "Error 1719: The Windows Installer service could not be accessed" error message when you try to add or remove a program
    Article ID : 315346
    Last Review : March 1, 2007
    Microsoft Help and Support
  3. File Extension Details for .MSI

[/os/windows/utilities/backup/ghost] permanent link

Fri, Feb 13, 2015 10:45 pm

Hiding an Account from the Windows 7 Welcome Screen

To hide an account from the Microsoft Windows 7 welcome screen, take the following steps:
  1. Click on the Start button.
  2. Type regedit in the "Search programs and files" field and hit Enter.
  3. When prompted if you want to allow the program to make change to the system, choose "yes".
  4. Navigate to HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\
  5. Right-click on Winlogon and choose "New" then "Key" and put SpecialAccounts for the key name.
  6. Right-click on SpecialAccounts and choose "New" then "Key" and put Userlist for the key name.
  7. Right-click on UserList on the left side of the window and select New and then DWORD (32-bit) Value.
  8. You'll see the new entry in the right pane of the window, rename this value, which by default will be labelled "New Value #1", to the name of the user account you want hidden. It should be exactly how it is listed on the welcome screen you see when the system starts. Leave the value at 0.
  9. You can then close the registry editor by clicking on File then Exit.

Now when you logoff, you shouldn't see the hidden account on the welcome screen. If you still see it, reboot.

Note: unlike with hidden accounts under Windows XP, you can't log into a hidden account by hitting the Ctrl, Alt, and Del keys.

[/os/windows/win7] permanent link

Fri, Feb 13, 2015 4:50 pm

Countif greater than or equal to a date

If you want to determine the number of entries in a spreadsheet that have a date value that is greater than or equal to a particular date, you can use the COUNTIF function in Excel. E.g., if you had dates in column G rows 4 through 959 and wished to know the number of rows with a date that was greater than or equal to October 15, 2014, you could use the formula below, assuming you are using the common U.S. style of date in the form mm/dd/yyyy.


Suppose, instead, that you had a date in F970 and you wished to use whatever date you had in that cell for the date comparision operation. You could then use the following formula:


The ampersand before the F970 concatenates the value in that cell to the string >=, so that if cell F970 contains the date value 10/15/2014, COUNTIF will only count cells containing a date greater than or equal to that date.

[/os/windows/office/excel] permanent link

Fri, Feb 13, 2015 4:38 pm

Paste stopped working on OS X 10.8.5 laptop

On a MacBook Pro running OS X 10.8.5, the paste operation stopped working. I didn't receive any error messages whenever I tried to copy text in an application, but if I then tried to paste anything into that application or any other, nothing would be pasted. Copying and pasting didn't work with Command-C and Command-V nor by selecting the copy and paste functions from applications' menus. Nor did cutting with Command-X and then pasting with Command-V work.

When I went to Edit and selected Show Clipboard within the Finder, I saw "Clipboard contents: none".

The solution I found after some online searching was to kill the PasteBoard, aka clipboard, process and restart it. That allowed me to use copy and paste without rebooting the computer.

$ ps -A | grep pboard | grep -v grep
  464 ??         0:00.03 /usr/sbin/pboard
$ kill -s HUP 464
$ ps -A | grep pboard | grep -v grep
$ launchctl start
$ ps -A | grep pboard | grep -v grep
49810 ??         0:00.00 /usr/sbin/pboard

To be able to use copy and paste after restarting the pboard process, you will need to close and reopen any application in which you need to copy and paste data after you restart the process. You won't see data that is copied appear in the clipboard shown by the Finder until you restart the Finder, which you can do by clicking on the Apple icon at the top left of your screen and then selecting Force Quit, then clicking on Finder within the Force Quit Applications window to select it, and then clicking on the Relaunch button. After you do that, you can click on Edit and Show Clipboard within the Finder and see what was previously copied into the clipboard before restarting the Finder.

If you have an application open that was open before you restarted the PasteBoard, if you try copying something from it, it won't appear in the clipboard. You will have to restart that application to copy anything from it.

[/os/os-x] permanent link

Mon, Feb 09, 2015 10:24 pm

Managing Chrome Cookies

To manage cookies in Google Chrome, take the following steps:
  1. Click on the Chrome menu bar, which is 3 short, horizontal lines, one below the other at the top of the Chrome browser window.
  2. Click on Settings.

    Note: you can also get to the settings window by putting chrome://settings/ in the Chrome address bar.

  3. Scroll down until you see "Show advanced settings", then click on "Show advanced settings".
  4. In the Privacy section, click on the Content settings button.
  5. At the Content settings window, click on the All cookies and site data button.

    Chrome Content settings

    Note: you can also get to this window by putting chrome://settings/content in the browser address bar.

You will now see a Cookies and site data window showing you a list of all the cookies Chrome has stored.

Chrome cookies and site data

If you only want to check on cookies for a particular site, you can put the site name in the "Search cookies" field next to the Remove all button to display just the cookies associated with that domain name as shown below where only the cookies pertaining to are displayed.

Chrome cookies for

You dont' need to type in a complete domain name. E.g., if you wanted to search for any cookies associated with a website with a domain name beginning with "mysite", you could simply enter mysite for the search criteria. If you wanted to delete the cookies for that site, with only the relevant cookies for that site displayed by the search criteria, you could click on Remove all to get rid of just the cookies for that site.

Note: a shortcut to get to this list is to put chrome://settings/cookies in the Chrome address bat.

[/network/web/browser/chrome] permanent link

Sun, Feb 08, 2015 11:10 pm

Enabling hibernation on a Windows Server 2012 Essentials system

The command shutdown /h can be used to hibernate a Microsoft Windows system. If you run the command on a Windows Server 2012 Essentials system which hasn't had hibernation mode enabled, you will see the following message:

PS C:\Users\User> shutdown /h
Hibernation is not enabled on this system. You must enable hibernation in order to use the -h option.

To enable hibernation, you can issue the command powercfg /hibernate on from a PowerShell prompt. However, you may see the message below when you enter the command:

PS C:\Users\User> powercfg /hibernate on
An unexpected error condition has occurred.  Unable to perform operation.  You may not have permission to perform this o

To enable hibernation, right-click on the PowerShell icon, which looks like a button with a ">_" in it, then choose "Run as Administrator" and then issue the powercfg command.

Windows PowerShell
Copyright (C) 2012 Microsoft Corporation. All rights reserved.

PS C:\Windows\system32> powercfg /hibernate on
PS C:\Windows\system32>

Once you've done that, you can hibernate the system with shutdown /h.

[/os/windows/server2012] permanent link

Sat, Feb 07, 2015 10:24 pm

Obtaining a command prompt with administrator access under Windows 7

To open a command prompt with administrator access under Windows 7 you can take the following steps:
  1. Click on the Windows Start button.
  2. In the "Search programs and files" field type cmd.

    Programs cmd.exe

  3. Right-click on cmd.exe and choose "Run as administrator". Provide a userid and password for an account in the administrators group when prompted.

Alternatively, you can open a command prompt with administrator access from a command prompt you've opened from a standard user account by typing runas /user:administrator cmd.exe. Or you can substitute the name of some other account with administrator access instead of "administrator". Enter the password for the account when prompted to provide it.

[/os/windows/win7] permanent link

Thu, Feb 05, 2015 10:50 pm

Chrome menu bar color changes

The Google Chrome menu bar, which consists of three horizontal bars, one beneath the other, in the upper, right-hand corner of a Chrome window will change color if Chrome is not up-to-date. Normally the 3 lines are black, but they will change to green, orange, or red if the version of the Chrome browser that you are using is no longer current. E.g., in the screen shot below taken on a Mac OS X system running Chrome 35.0, the bars have turned red. The menubar color changes apply to Chrome on other operating sytems as well. Clicking on the menubar shows a list of menu options, but also a "Chrome is Out of Date" message.

Chrome out of date

The menu bar color shows how long an update has been available:

ColorHow long an update has been available
Green Chrome menu bar2 days
Orange Chrome menu bar4 days
Red Chrome menu bar7 or more days

To configure Chrome to update automatically on a Mac OS X system, you can select "About Google Chrome" from the menu that is accessible from the menu bar then click on the "Set Up Automatic Updates for All Users" button.


  1. Update Google Chrome
    Google Help

[/network/web/browser/chrome] permanent link

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