Commands by deadrabbit (1)

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old man's advice

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" }

Automatically tunnel all ports of running docker instances in boot2docker
It requires https://jqplay.org/, that comes with brew: brew install jq

Show all the available information about your current distribution, package management and base
Just run this command and it will printout all the info available about your current distribution and package management system.

draw rhomb

Remove all the files except abc in the directory
This is for zsh with extended globbing.

hibernate

Show top 50 running processes ordered by highest memory/cpu usage refreshing every 1s
http://alvinalexander.com/linux/unix-linux-process-memory-sort-ps-command-cpu for an overview of --sort available values

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"

Cut the first 'N' characters of a line
You can also cut charactes starting from X to N.

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