Commands by metropolis (6)

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Rename files in batch

Get all IPs via ifconfig

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" }

Search for a string inside all files in the current directory
shorter typing with no need to use xargs.

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

list files recursively by size

a simple bash one-liner to create php file and call php function

Find broken symlinks
This is much safer than using -L, because it will not follow links that point to places outside the target directory subtree (CWD, in this case). See here for explanation: http://unix.stackexchange.com/a/38691/9382

find files larger than 1 GB, everywhere

Get information about memory modules
To take information about the characteristics of the installed memory modules.


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