Commands by point_to_null (9)

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Find the package that installed a command

Quick HTML image gallery from folder contents with Perl
This includes a title attribute so you can see the file name by hovering over an image. Also will hoover up any image format - jpg, gif and png.

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Refresh the cache of font directory
Refresh the cache of font directory , usefull after you download font (.ttf or other) from various website and you don't want to reboot or relogin . Close your word processor before using the command , after the refresh reopen your word processor , new fonts is avaible !

Remove all .svn folders
-depth argument will cause find to do a "depth first" tree search, this will eliminate the "No such file or directory" error messages

Remove all zero size files from current directory (not recursive)

Randomize lines in a file
Works in sort (GNU coreutils) 7.4, don't know when it was implemented but sometime the last 6 years.

Convert CSV to JSON
Replace 'csv_file.csv' with your filename.

Generate a random password 30 characters long

list block devices
Shows all block devices in a tree with descruptions of what they are.


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