Commands by Tronks (0)

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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"

rsync...

scan folder to check syntax error in php files

Find the package that installed a command

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

convert .bin / .cue into .iso image
bchunk [-v] [-p] [-r] [-w] [-s]

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" }

Print the current time on the whole screen, updated every second
http://www.joachim-breitner.de/projects#screen-message now also supports reading stdin continuously to update what it shows, different ?slides? separated by a form feed character. Here, we feed the current time into it each second to create a large clock.

Prepend a text to a file.
Syntax: $ prepend content to add [filename] Uses ed, so no temp files created.

Clear cassandra snapshots that are older than 30 days
Better than: $ nodetool clearsnapshot


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