Commands by sedcommand (4)

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count IPv4 connections per IP
usefull in case of abuser/DoS attacks.

a short counter
Maybe you know shorter ?

lsof - cleaned up for just open listening ports, the process, and the owner of the process
another formatting/oneliner for lsof User - Process - Port

Android PNG screenshot
Works with *rooted* Android devices. 400x800 are the screen dimensions of a typical handheld smartphone.

check open ports without netstat or lsof

Simple top directory usage with du flips for either Linux or base Solaris
No need to type out the full OR clause if you know which OS you're on, but this is easy cut-n-paste or alias to get top ten directories by singleton. To avoid the error output from du -xSk you could always 2>/dev/null but you might miss relevant STDERR.

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" }

diff color words

Rename files in batch

return external ip
I dont have curl or links installed, so I use wget with write file as standard out.


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