Commands by nicoulaj (1)

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commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

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Find out what package some command belongs to (on RPM systems)
Replace 'more' command with any command which is in your PATH.

Display duplicated lines in a file
Displays the duplicated lines in a file and their occuring frequency.

Time conversion/format using the date command

Update twitter with curl
Same as below, but no quotes are necessary when twitting more than one word

View internet connection activity in a browser
The output of lsof is piped to txt2html which converts it to html. # Perl module HTML::TextToHTML needed

generate a randome 10 character password

HourGlass
Displays an animated hourglass for x amount of seconds

rsync...

Schedule a script or command in x num hours, silently run in the background even if logged out
This is helpful for shell scripts, I use it in my custom php install script to schedule to delete the build files in 3 hours, as the php install script is completely automated and is made to run slow. Does require at, which some environments without crontab still do have. You can add as many commands to the at you want. Here's how I delete them in case the script gets killed. (trapped) atq |awk '{print $1}'|xargs -iJ atrm J &>/dev/null

Hide or show Desktop Icons on MacOS
Hides all Files and Folders on the MacOS Desktop. To show files and folders, type "true" instead of "false". "Finder" at the end is case sensitive, "finder" doesn’t work


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