Commands using cp (113)

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Insert a line at the top of a text file without sed or awk or bash loops
Yet another way to add a line at the top a of text file with the help of the tac command (reverse cat).

Install pip with Proxy
Installs pip packages defining a proxy

save command output to image

Take screenshots with imagemagick

Multi-thread any command
For instance: $ find . -type f -name '*.wav' -print0 |xargs -0 -P 3 -n 1 flac -V8 will encode all .wav files into FLAC in parallel. Explanation of xargs flags: -P [max-procs]: Max number of invocations to run at once. Set to 0 to run all at once [potentially dangerous re: excessive RAM usage]. -n [max-args]: Max number of arguments from the list to send to each invocation. -0: Stdin is a null-terminated list. I use xargs to build parallel-processing frameworks into my scripts like the one here: http://pastebin.com/1GvcifYa

Print a horizontal line
Replace the underscore with any other character. e.g. + or - or =

Download all manuals RedHat 7 (CentOS/Fedora) with one command in Linux

Show all listening and established ports TCP and UDP together with the PID of the associated process
Easy to remenber. Fot TCP only use: netstat -plant

vmstat/iostat with timestamp
Also useful with iostat, or pretty much anything else you want timestamped.

'Fix' a typescript file created by the 'script' program to remove control characters
attribution: Thanks to repellent on perlmonks.org source: http://www.perlmonks.org/?node_id=684459


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