Commands by Elijah123 (0)

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sed edit-in-place using -a option instead of -i option (no tmp file created)
does the -i option open a tmp file? this method does not.

Maximum PNG compression with optipng, advpng, and advdef
optipng and advancecomp (for the the advpng and advdef tools) are the best FOSS tools for losslessly compressing PNGs. With the above tool chain, you can cut off as much as 20% off a PNG's file size.

connects to db2 database instance/alias "stgndv2" user "pmserver" using password "xxxxxxx"
db2 => ? connect CONNECT [USER username [{USING password [NEW new-password CONFIRM confirm-password] | CHANGE PASSWORD}]] CONNECT RESET CONNECT TO database-alias [IN {SHARE MODE | EXCLUSIVE MODE [ON SINGLE DBPARTITIONNUM]}] [USER username [{USING password [NEW new-password CONFIRM confirm-password] | CHANGE PASSWORD}]]

Advanced python tracing
Trace python statement execution and syscalls invoked during that simultaneously

recursively change file name from uppercase to lowercase (or viceversa)
easier way to recursively change files to lowercase using rename instead

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

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

Force the script to be started as root
Will run the script as root and exit if the wrong or no password is given. Also will keep the parameters active if any where given.

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"

Convert ascii string to hex

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