commandlinefu.com is the place to record those command-line gems that you return to again and again.
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Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.
Use your favourite RSS aggregator to stay in touch with the latest commands. There are feeds mirroring the 3 Twitter streams as well as for virtually every other subset (users, tags, functions,…):
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This command is useful for archiving or extracting Documents and Settings folder, when working in Linux box with Windows partition (dual boot installation). You have to enter into appropriate directory, of course.
Shows all linked file and destinations. The 'ls -l' command lists the files in long (1 file per line) format, and the grep command displays only those lines that starts with an l (lower case L) -- a linked file.
Updated: Remove reference to hard links because this command does not apply to hard link as others kindly pointed out.
Add a user to a group
Some people put spaces in filenames. Others have an $EDITOR environment variable set. This defaults to vim, but you can use whatever you wish: emacs, nano, ed, butterflies, etc.
Go to "https://twitter.com/search/realtime?q=%23TeamFollowBack&src=hash" and then copy al the text on the page. If you scroll down the page will be bigger. Then put al the text in a text file called twit.txt
If you follow the user there is a high probability the users give you follow back.
To follow all the users you can use an iMacros script.
Check if Fail2Ban is running on the system and alert it with a message in the terminal
Only works on single files, doesn't preserve permissions/timestamps/ownership.
When it says "Invalid Directory Name"
This will turn off SE Linux
get the ip address on your LAN
It lists files and folder under dirname adding at the beginning of each line the file allocated size in blocks (-s). It also sorts output by file size (-S) from bigger to smaller. Actually the -t option in that precise position does not give any effect... (challenge: can you tell me why?) but of course gives to the ls command some salty taste! :)
Works at lest with .gz .bz2 .tar.gz .tar.bz2
put down the joint and rtfm :)
I put this line in my ~/.bashrc file (which I source via ~/.bash_profile). Now, when I need to install a package, I typed *install* instead of the longer version.
Get colorful fortunes dictated by an ASCII cow. For full enjoyment you'll need to have color setup enabled for your terminal.