Commands by Repie (4)

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Get your Firefox history
This is the way to get access to your Firefox history...

Convert seconds to [DD:][HH:]MM:SS
Converts any number of seconds into days, hours, minutes and seconds. sec2dhms() { declare -i SS="$1" D=$(( SS / 86400 )) H=$(( SS % 86400 / 3600 )) M=$(( SS % 3600 / 60 )) S=$(( SS % 60 )) [ "$D" -gt 0 ] && echo -n "${D}:" [ "$H" -gt 0 ] && printf "%02g:" "$H" printf "%02g:%02g\n" "$M" "$S" }

Restore deleted file from GIT repository
This command will automatically find the latest version of the file that was deleted and restore it to it's previous location. If, of course, your file was kept in a git repository... I found this command on http://stackoverflow.com/a/1113140

Burn an ISO on the command line.

Create a random file of a certain, and display progress along the way.
SIZE is the number of gigabytes and the file name is at the end. Random data is generated by encrypting /dev/zero, similar to other techniques posted on here.

Recursive grep of all c++ source under the current directory
I like this better than some of the alternatives using -exec, because if I want to change the string, it's right there at the end of the command line. That means less editing effort and more time to drink coffee.

Generate 10 pronunciable passwords
A great password generation tool. http://www.adel.nursat.kz/apg/

Take a screenshot every 2 seconds
Take a screenshot every 2 seconds and save it as a png file

locating packages held back, such as with "aptitude hold "
locating packages held back, such as with "aptitude hold "

Beep siren
Infinitely plays beeps with sinusoidally changing sound frequency. Ideal for alarm on an event.


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