Commands by rdc (9)

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Find total Terabytes written to a SSD
You must have smartmontools installed for this to work. This also assumes you 512 byte sector sizes, this is pretty standard.

attach to bash shell in the last container you started

Delete all files older than X in given path
This will find all files under the path "." which are older than 10 days, and delete them. If you wish to use the "rm" command instead, replace "-delete" with "-exec rm [options] {} \;"

rgrep: recursive grep without .svn
Only excludes .svn from filenames.

Convert CSV to JSON
Replace 'csv_file.csv' with your filename.

Clear terminal Screen

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"

resume download using curl

Get duration of an audio file in seconds.
This is an alternative to #9131. ffmpeg didn't work on my .au files, though it did on the .wav ones. Also useful if you don't have ffmpeg but do have sox. Handily, sox already reports in seconds (decimal).

Make a file not writable / immutable by root
http://linuxhelp.blogspot.com/2005/11/make-your-files-immutable-which-even.html


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