Commands by jsiei97 (4)

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View the latest astronomy picture of the day from NASA.
Substitute feh for the image viewer of your choice. display (part of imagemagick) seems to be a popular choice.

Show all symlinks

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

Print diagram of user/groups
Parses /etc/group to "dot" format and pases it to "display" (imagemagick) to show a usefull diagram of users and groups (don't show empty groups).

Speed up launch of liferea
If you use liferea frequently, you will see obvious speedup after you executed this command.

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"

Aptitude pattern match
Could be dangerous, if you have many packages all beginning with 'foo' or 'bar'. This will easily remove them all from your system.

Show the date of easter
ncal -e shows the date of Easter this year. ncal -e YYYY shows the date of Easter in a given year. ncal -o works the same way, but for Orthodox dates.

remove empty lines in place with backup
Modify file in place to remove empty lines and create a backup of the original with the extension .bak

Update twitter via curl
Doesn't require password (asks for it instead)


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