Commands by Casper47 (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"

Find the package that installed a command

generate iso

Install pip with Proxy
Installs pip packages defining a proxy

shows the full path of shell commands

List all symbolic links in current directory
With this version, you can list all symlinks in the current directory (no subdirectories), and have it list both the link and the target.

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" }

Perl oneliner to print access rights in octal format
This prints file access rights in octal - useful when "stat" is unavailable.

Find the modified time (mtime) for a file

Send a backup job to a remote tape drive on another machine over SSH
I use this all the time for taking manual backups of stuff i want to keep but not important enough to backup regularly.

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