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Wed, Nov 14, 2018 10:22 pm

Gateway 920 Fan Information

Information on the fans contained within a Gateway 920 PC. There are three fans in the system: a CPU fan, a case fan, and a fan attached to the power supply unit (PSU).

CPU Temp.:34°C/93°F
System Temp.:28°C/82°F
CPU Fan Speed:3515 RPM
System Fan Speed:2678 RPM

CPU Fan

Manufacturer: AVC
Model: C6025B12L
Power Connection: 3-Pin
Fan Size: 60mm
DC 12V DC power symbol 0.12A
Ball Bearing

Case Fan

Manufacturer: Antec
Fan Size: 80mm

Power Supply with Fan

Power Supply Manufacturer: Newton Power Limited
Power Supply Model: NPS-250HB A
Output: 250W Max.
Fan Size: 90mm

[ More Info ]

[/hardware/fans] permanent link

Mon, Nov 12, 2018 6:13 pm

Adding Google Drive to Nautilus File Manager

Google, unfortunately, does not provide a software package for Linux for Google Drive support. However, one can still get support for Google Drive through third-party software or one can use support provided with GNOME Files, aka Nautilus, which is the default file manager for the GNOME desktop software under CentOS 7 Linux. To be able to access files and transfer files to and from Google Drive storage under CentOS 7 Linux, take the following steps:
  1. Click on Applications at the top, left-hand corner of the screen and select System Tools.

  2. Then select Settings.

  3. Select Online Accounts from Settings.

  4. In the online accounts list, click on Google.

  5. You will then be presented with a Google Account sign in window where you can provide your Google credentials, e.g., an email address or phone number.

  6. After you hit enter and log in, you will then be asked to accede to allowing GNOME to access your Google account, which will allow GNOME the following access:

    • Read, compose, send, and permanently delete all your email from Gmail
    • See, edit, create, and delete all your Google Drive files
    • See, edit, create, and delete any of your Google Drive documents
    • Manage your printers
    • See, edit, download, and permanently delete your contacts
    • See, edit, create, and delete your spreadsheets in Google Drive
    • See, edit, share, and permanently delete all the calendars you can access using Google Calendar
    • Manage your photos and videos
    • View and send chat messages
    • Create, edit, organize, and delete all your tasks

      You can scroll down to the bottom of the list and click on the Allow button to accept the agreement. You can then close the Google Account window by clicking on the "X" at the top, right-hand side of the window.

If you then click on Applications and Files, you should see your Google account listed at the left side of the window. You can then copy files to and from your Google Drive folders to the local host or access files already stored in Google Drive.

[ More Info ]

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

Sat, Oct 06, 2018 10:35 pm

Deleting Windows backups after specified media type is invalid message

When I checked on the status of the weekly backup process on a Microsoft Windows 10 system by issuing a wbadmin get versions command at a command prompt, I saw that no backups had been created since July of 2018.

Microsoft Windows [Version 10.0.17134.285]
(c) 2018 Microsoft Corporation. All rights reserved.

C:\WINDOWS\system32>wbadmin get versions
wbadmin 1.0 - Backup command-line tool
(C) Copyright 2013 Microsoft Corporation. All rights reserved.

Backup time: 7/17/2016 7:00 PM
Backup target: 1394/USB Disk labeled My Passport(K:)
Version identifier: 07/17/2016-23:00
Can recover: Volume(s), File(s), Application(s), Bare Metal Recovery, System State
Snapshot ID: {76dc6b17-ef40-418f-b13a-a332f3f18c66}

Backup time: 7/24/2016 7:00 PM
Backup target: 1394/USB Disk labeled My Passport(K:)
Version identifier: 07/24/2016-23:00
Can recover: Volume(s), File(s), Application(s), Bare Metal Recovery, System State
Snapshot ID: {f394de8f-b3e2-4cc0-a2ee-ffb12448f1c6}

Backup time: 7/31/2016 7:00 PM
Backup target: 1394/USB Disk labeled My Passport(K:)
Version identifier: 07/31/2016-23:00
Can recover: Volume(s), File(s), Application(s), Bare Metal Recovery, System State
Snapshot ID: {275475f1-22d9-455d-893b-f327b8069f99}

Backup time: 8/7/2016 7:00 PM
Backup target: 1394/USB Disk labeled My Passport(K:)
Version identifier: 08/07/2016-23:00
Can recover: Volume(s), File(s), Application(s), Bare Metal Recovery, System State
Snapshot ID: {58902ac7-c0aa-4384-9abf-b96e89fe1954}

Backup time: 8/14/2016 7:00 PM
Backup target: 1394/USB Disk labeled My Passport(K:)
Version identifier: 08/14/2016-23:00
Can recover: Volume(s), File(s), Application(s), Bare Metal Recovery, System State
Snapshot ID: {7600fdeb-9722-4f0d-9647-6a5a22613a40}

Backup time: 8/21/2016 7:00 PM
Backup target: 1394/USB Disk labeled My Passport(K:)
Version identifier: 08/21/2016-23:00
Can recover: Volume(s), File(s), Application(s), Bare Metal Recovery, System State
Snapshot ID: {05e8eefe-486f-4286-bf7a-57ca7ba192e6}

Backup time: 8/28/2016 7:00 PM
Backup target: 1394/USB Disk labeled My Passport(K:)
Version identifier: 08/28/2016-23:00
Can recover: Volume(s), File(s), Application(s), Bare Metal Recovery, System State
Snapshot ID: {cc0c16df-4eb2-43ca-bb40-4d02928e7617}

Backup time: 9/4/2016 7:00 PM
Backup target: 1394/USB Disk labeled My Passport(K:)
Version identifier: 09/04/2016-23:00
Can recover: Volume(s), File(s), Application(s), Bare Metal Recovery, System State
Snapshot ID: {98c0f7a3-ca59-4c78-b4c3-5ff716a60bf2}

Backup time: 9/11/2016 7:00 PM
Backup target: 1394/USB Disk labeled My Passport(K:)
Version identifier: 09/11/2016-23:00
Can recover: Volume(s), File(s), Application(s), Bare Metal Recovery, System State
Snapshot ID: {b066d090-fd1f-44e2-9899-b5defe860e65}

Backup time: 9/18/2016 7:00 PM
Backup target: 1394/USB Disk labeled My Passport(K:)
Version identifier: 09/18/2016-23:00
Can recover: Volume(s), File(s), Application(s), Bare Metal Recovery, System State
Snapshot ID: {88b6a6aa-dce0-439b-96b8-98e1038411cd}

Backup time: 5/27/2018 7:00 PM
Backup target: 1394/USB Disk labeled Seagate Backup Plus Drive(K:)
Version identifier: 05/27/2018-23:00
Can recover: Volume(s), File(s), Application(s), Bare Metal Recovery, System State
Snapshot ID: {e7999e64-18ef-4ffe-826f-63460ae10a95}

Backup time: 6/3/2018 7:00 PM
Backup target: 1394/USB Disk labeled Seagate Backup Plus Drive(K:)
Version identifier: 06/03/2018-23:00
Can recover: Volume(s), File(s), Application(s), Bare Metal Recovery, System State
Snapshot ID: {ed35b3bb-5409-4351-82b3-42829908d5b2}

Backup time: 6/10/2018 7:00 PM
Backup target: 1394/USB Disk labeled Seagate Backup Plus Drive(K:)
Version identifier: 06/10/2018-23:00
Can recover: Volume(s), File(s), Application(s), Bare Metal Recovery, System State
Snapshot ID: {8dd10f96-c62e-42e9-9d68-0947f529db52}

Backup time: 6/17/2018 7:00 PM
Backup target: 1394/USB Disk labeled Seagate Backup Plus Drive(K:)
Version identifier: 06/17/2018-23:00
Can recover: Volume(s), File(s), Application(s), Bare Metal Recovery, System State
Snapshot ID: {0ebd7188-35b3-4317-bb20-b718dfd35789}

Backup time: 6/24/2018 7:00 PM
Backup target: 1394/USB Disk labeled Seagate Backup Plus Drive(K:)
Version identifier: 06/24/2018-23:00
Can recover: Volume(s), File(s), Application(s), Bare Metal Recovery, System State
Snapshot ID: {93803f25-207b-410d-891f-d1e8244236aa}

Backup time: 7/1/2018 7:00 PM
Backup target: 1394/USB Disk labeled Seagate Backup Plus Drive(K:)
Version identifier: 07/01/2018-23:00
Can recover: Volume(s), File(s), Application(s), Bare Metal Recovery, System State
Snapshot ID: {76022746-9b00-4380-a08b-d9a9b5bdd2d8}

Backup time: 7/8/2018 7:00 PM
Backup target: 1394/USB Disk labeled Seagate Backup Plus Drive(K:)
Version identifier: 07/08/2018-23:00
Can recover: Volume(s), File(s), Application(s), Bare Metal Recovery, System State
Snapshot ID: {030fb852-6e15-4ad3-8acb-e0b0d0057e87}


C:\WINDOWS\system32>

When I checked the free space left on the drive on which the backups were stored from the Windows File Explorer, I saw there was only a few megabytes of free disk space left, so I attempted to delete some of the prior backups with the wbadmin command, but I was unable to delete them with the message "failed with error: The specified media type is invalid" message appearing.

[ More Info ]

[/os/windows/win10] permanent link

Fri, Oct 05, 2018 9:39 pm

Checking port 465 connectivity

I needed to check on whether a system was functioning as a mail server listening on the Simple Mail Transfer Protocol Secure (SMTPS) port, TCP port 465. One way to check is to attempt to establish a telnet connection to that port. E.g.:

$ telnet 192.168.248.91 465
Trying 192.168.248.91...
Connected to esa.example.com
Escape character is '^]'.
^C
^CConnection closed by foreign host.
$

If you see a "connected to" message that indicates the system is listening on that port and you can terminate the connection by hitting Ctrl-C a couple of times. But you can also use an OpenSSL command as shown below to test SMTPS connectivity on TCP port 465:

$ openssl s_client -connect 192.168.248.91:465 -quiet
depth=0 /OU=Zimbra Collaboration Server/CN=esa.example.com
verify error:num=20:unable to get local issuer certificate
verify return:1
depth=0 /OU=Zimbra Collaboration Server/CN=esa.example.com
verify error:num=27:certificate not trusted
verify return:1
depth=0 /OU=Zimbra Collaboration Server/CN=esa.example.com
verify error:num=21:unable to verify the first certificate
verify return:1
220 esa.example.com ESMTP Postfix
quit
221 2.0.0 Bye
$

If you leave the -quiet off the end of the command, you can see additional information about the certificate on the email server.

Related articles:

  1. Using the openssl command to troubleshoot POP3S

[/network/email] permanent link

Thu, Oct 04, 2018 9:47 pm

Extracting images from an Excel spreadsheet

I needed to extract two diagrams from a worksheet in a Microsoft Excel workbook. The diagrams appeared to have been put in the worksheet as an image through a copy and paste operation. I could right-click on an image in the sheet and choose "Copy" or "Save as Picture" and for the latter option I could choose PNG, JPEG, PDF, GIF, or BMP for the "Save as Type" value, but I wondered what type of file Excel was using for the embedded image. The file was a .xlsm file, which like a .xlsx file is an Office Open XML (OpenXML) file format that can be "unzipped" to reveal the constituent files within it by renaming the file to have a .zip filename extension or copying the file to a new file with a .zip extension - see Zipping and unzipping Excel xlsx files. So I copied the file giving the new file a .zip extension and then extracted the contents of that file by unzipping it. I then had a file named "[Content_Types].xml" and the following directories in the directory where I had extracted files from the zip file:

_rels
customXml
docProps
xl

[ More Info ]

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

Sun, Sep 23, 2018 1:54 pm

Obtaining information for online citations of an article with Altmetric

Altmetric, a company founded by Euan Adie in 2011, provides a website where one can look up information on references to journal articles published online from other online sources, such as references to an article from Wikipedia articles, tweets, blogs, Facebook, etc., which will provide you with information on how widely cited the online research may be. To easily access the information, you need to install the Altmetric bookmarklet.

[ More Info ]

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

Sat, Aug 18, 2018 10:16 pm

Determine Python installed modules/packages

If you need to determine the packages/modules/ libraries installed for Python on a system, you can do so by obtaining a Python command prompt and issuing the help("modules") command.

$ python
Python 2.7.10 (default, Oct 23 2015, 19:19:21) 
[GCC 4.2.1 Compatible Apple LLVM 7.0.0 (clang-700.0.59.5)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> help("modules")

Please wait a moment while I gather a list of all available modules...

2018-08-18 15:31:45.666 Python[74959:5231860] Cannot find executable for CFBundle 0x
7fe335602be0 </System/Library/Frameworks/Message.framework> (not loaded)
AVFoundation        _TE                 dircache            profile
Accounts            _Win                dis                 pstats
AddressBook         __builtin__         distutils           pty
AppKit              __future__          dl                  pwd
AppleScriptKit      _abcoll             doctest             py2app
AppleScriptObjC     _ast                dumbdbm             py_compile
Audio_mac           _bisect             dummy_thread        pyclbr
Automator           _builtinSuites      dummy_threading     pydoc
BaseHTTPServer      _codecs             easy_install        pydoc_data
Bastion             _codecs_cn          email               pyexpat
CFNetwork           _codecs_hk          encodings           pylab
CFOpenDirectory     _codecs_iso2022     ensurepip           pyparsing
CGIHTTPServer       _codecs_jp          errno               pytz
Canvas              _codecs_kr          exceptions          quopri
Carbon              _codecs_tw          fcntl               random
Cocoa               _collections        filecmp             re
CodeWarrior         _csv                fileinput           readline
Collaboration       _ctypes             findertools         repr
ColorPicker         _ctypes_test        fnmatch             resource
ConfigParser        _curses             formatter           rexec
Cookie              _curses_panel       fpformat            rfc822
CoreData            _elementtree        fractions           rlcompleter
CoreFoundation      _functools          ftplib              robotparser
CoreGraphics        _hashlib            functools           runpy
CoreLocation        _heapq              future_builtins     sched
CoreText            _hotshot            gc                  scipy
Dialog              _io                 genericpath         select
DictionaryServices  _json               gensuitemodule      sets
DocXMLRPCServer     _locale             gestalt             setuptools
EasyDialogs         _lsprof             getopt              sgmllib
EventKit            _markerlib          getpass             sha
ExceptionHandling   _multibytecodec     gettext             shelve
Explorer            _multiprocessing    glob                shlex
FSEvents            _osx_support        grp                 shutil
FileDialog          _pyio               gzip                signal
Finder              _random             hashlib             site
FixTk               _scproxy            heapq               six
Foundation          _socket             hmac                smtpd
FrameWork           _sqlite3            hotshot             smtplib
HTMLParser          _sre                htmlentitydefs      sndhdr
IN                  _ssl                htmllib             socket
InputMethodKit      _strptime           httplib             sqlite3
InstallerPlugins    _struct             ic                  sre
InstantMessage      _symtable           icglue              sre_compile
JavaScriptCore      _sysconfigdata      icopen              sre_constants
LatentSemanticMapping _testcapi           idlelib             sre_parse
LaunchServices      _threading_local    ihooks              ssl
MacOS               _tkinter            imageop             stat
Message             _warnings           imaplib             statvfs
MimeWriter          _weakref            imghdr              string
MiniAEFrame         _weakrefset         imp                 stringold
Nav                 abc                 importlib           stringprep
Netscape            aepack              imputil             strop
OSATerminology      aetools             inspect             struct
OpenDirectory       aetypes             io                  subprocess
OpenSSL             aifc                itertools           sunau
PixMapWrapper       altgraph            json                sunaudio
PreferencePanes     antigravity         keyword             symbol
PubSub              anydbm              lib2to3             symtable
PyObjCTools         applesingle         linecache           sys
PyPDF2              appletrawmain       locale              sysconfig
QTKit               appletrunner        logging             syslog
Quartz              argparse            macerrors           tabnanny
Queue               argvemulator        macholib            tarfile
ScreenSaver         array               macostools          telnetlib
ScriptingBridge     ast                 macpath             tempfile
ScrolledText        asynchat            macresource         terminalcommand
SearchKit           asyncore            macurl2path         termios
ServiceManagement   atexit              mailbox             test
SimpleDialog        audiodev            mailcap             textwrap
SimpleHTTPServer    audioop             markupbase          this
SimpleXMLRPCServer  autoGIL             marshal             thread
Social              base64              math                threading
SocketServer        bdb                 matplotlib          time
StdSuites           bdist_mpkg          md5                 timeit
StringIO            bgenlocations       mhlib               tkColorChooser
SyncServices        binascii            mimetools           tkCommonDialog
SystemConfiguration binhex              mimetypes           tkFileDialog
SystemEvents        bisect              mimify              tkFont
Tix                 bonjour             mmap                tkMessageBox
Tkconstants         bsddb               modulefinder        tkSimpleDialog
Tkdnd               bsddb185            modulegraph         toaiff
Tkinter             buildtools          multifile           token
UserDict            bundlebuilder       multiprocessing     tokenize
UserList            bz2                 mutex               trace
UserString          cPickle             netrc               traceback
WebKit              cProfile            new                 ttk
_AE                 cStringIO           nis                 tty
_AH                 calendar            nntplib             turtle
_App                cfmfile             ntpath              types
_CF                 cgi                 nturl2path          unicodedata
_CG                 cgitb               numbers             unittest
_CarbonEvt          chunk               numpy               urllib
_Cm                 cmath               objc                urllib2
_Ctl                cmd                 olefile             urlparse
_Dlg                code                opcode              user
_Drag               codecs              operator            uu
_Evt                codeop              optparse            uuid
_File               collections         os                  videoreader
_Fm                 colorsys            os2emxpath          warnings
_Folder             commands            parser              wave
_Help               compileall          pdb                 weakref
_IBCarbon           compiler            pickle              webbrowser
_Icn                contextlib          pickletools         whichdb
_LWPCookieJar       cookielib           pimp                wsgiref
_Launch             copy                pip                 xattr
_List               copy_reg            pipes               xdrlib
_Menu               crypt               pkg_resources       xlrd
_Mlte               csv                 pkgutil             xml
_MozillaCookieJar   ctypes              platform            xmllib
_OSA                curses              plistlib            xmlrpclib
_Qd                 datetime            popen2              xxsubtype
_Qdoffs             dateutil            poplib              zipfile
_Qt                 dbhash              posix               zipimport
_Res                dbm                 posixfile           zlib
_Scrap              decimal             posixpath           zope
_Snd                difflib             pprint              

Enter any module name to get more help.  Or, type "modules spam" to search
for modules whose descriptions contain the word "spam".

>>> exit()
$

[ More Info ]

[/languages/python] permanent link

Sun, Jul 29, 2018 8:26 pm

Recovering a file on a Windows system from a shadow copy

After editing a spreadsheet in Microsoft Excel on a Microsoft Windows Server 2012 system, I intended to save the modified version under a new file name, but inadvertently chose "Save" rather than "Save As." Fortunately, Windows systems running the Volume Snapshot Service, aka Shadow Copy, provide an easy mechanism to recover lost data by reverting to a prior "shadow copy" version of a file. To revert to the prior version, you can take the following steps:
  1. In the Windows File Explorer, click on the file to select it, then choose "Properties" from the ribbon of options at the top of the File Explorer window or right-click on the file and choose "Properties." Or, you can click on the file to select it and then hit the Alt and Enter keys simultaneously to bring up the Properties window for that file.
  2. Then click on the Previous Versions tab.
  3. Click on the prior version of the file to select it and then click on the Restore button at the bottom of the window.
  4. You will see a window asking "Are you sure you want to restore the previous version of" followed by the file name and the timestamp on the prior version of the file. The window also warns you that "This will replace the current version of this file on your computer and cannot be undone." Click on the Restore button on that window.
  5. You should then see a window stating "The file has been successfully restored to the previous version." Click on the OK button to close that window. If you click on the General tab at this point, the Modified date will still reflect the timestamp before you restored the file, but if you close the Properties window and reopen it, you should then see the Modified date and time reflect the timestamp of the prior version that was restored to the system.

[ More Info ]

[/os/windows/filesystem] permanent link

Sat, Jul 28, 2018 10:45 pm

Viewing and Editing Defined Names in Excel 2013

To view or edit the defined names in the Microsoft Excel 2013 spreadsheet program, you can take the following steps:
  1. Click on the Forumulas tab at the top of the Excel window.
  2. From the Formulas menu, select Name Manager. In the Name Manager window, you can see the defined names.

[ More Info ]

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

Fri, Jul 27, 2018 11:07 pm

Determining if the system is connected to a VPN from the command line under OS X

I connect to a work Virtual Private Network (VPN) from home using a MacBook Pro laptop running OS X El Capitan (10.11.6) and was curious if there was a way that I could determine whether the system was connected to the VPN or disconnected from a VPN using a command-line interface (CLI), i.e., a Terminal window, other than by checking the IP address that external systems see for the system, e.g., by visiting WhatIsMyIP.com. At How can I tell if OS X is connected to a VPN network from the command line?, I found someone suggesting using the scutil command scutil --nc list and piping the output to the grep command looking for the word "Connected", i.e., scutil --nc list | grep Connected. However, that didn't work when I attempted to discern whether the laptop was connected to the VPN via that method, since the scutil command always produced the following output whether or not the system was connected to the VPN:

$ scutil --nc list 
Available network connection services in the current set (*=enabled):
$

However, I was able to determine if the system was connected to the VPN by using the method listed in the post by the person who posed the question. I.e., I could use the ifconfig command and count the number of occurences of "utun0," since the count was zero if the system was not connected to the VPN and one if it was connected to the VPN. E.g., if the system was not connected to the VPN, I would see the following output.

$ ifconfig | grep utun0
$ ifconfig | grep -c utun0 
0
$

When the system was connected to the VPN, I would see the following output:

$ ifconfig | grep utun0
utun0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1400
$ ifconfig | grep -c utun0
1
$

[ More Info ]

[/os/os-x] permanent link

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