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Sun, Oct 22, 2006 10:03 pm

htdig Not Indexing Site

I installed ht://Dig 3.2.0b5 on one of my Solaris 10 servers. When I ran htdig on the server, it did not appear to be indexing my website. I used /usr/localbin/rundig -s -c /usr/local/conf/htdig_support.conf to see statistics on what it was doing. It was only opening one connect and making just two HTTP requests rather than indexing the whole site. When I ran htdig -vvv, I could see that it was stopping after reading robots.txt. When I looked at robots.txt, it appeared to be configured to allow any robot to index all files on the website. It had only the two lines below:

User-agent: *

After experimentation, I found that if I specifed some value for "Disallow", I could get htdig to index the site. I put in a dummy value, i.e. Disallow: /abcde12345, a directory I would never actually use on the site to resolve the problem.

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[/os/unix/solaris] permanent link

Sun, Oct 22, 2006 7:16 pm

Finding Hard Links and Symbolic Links

On a Unix or Linux system, you can find symbolic links by utilizing options with the find command. To find symbolic links, aka symlinks, use find <path> -type l. E.g. find / -type l will find every symbolic link on the system. To find hard links, you can use find <path> -type f -links +1. The -links +1 option tells find to look for files with more than one link to them. E.g. find / -type f -links +1 would search for every hard link on the system.

If you just want to find all symbolic links pointing to a particular file, e.g. search.html, you can use the find command with the -lname option.

# find / -lname 'search.html' 2>/dev/null

In the above example, the -lname option tells find to look only for symbolic links to a file named search.html. Using 2>/dev/null discards error messages by sending them to /dev/null. Otherwise, you could a lot of " No such file or directory" messages as well as the symbolic link information for which you are looking.

If you wish to see full details returned regarding the file, you can use the -ls option.

# find / -lname 'search.html' -ls 2>/dev/null
146567    0 lrwxrwxrwx   1 root     root           11 Nov  8  2003 /usr/share/htdig/index.html -> search.html


  1. Using find to locate files
    Mo Budlong's UNIX 101 Sunworld column
  2. Ln - LQWiki
    May 26, 2006

[/os/unix/commands] permanent link

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