Commands using rm (301)

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Add forgotten changes to the last git commit
It's pretty common to forgot to commit a files, be it a modification, or a brand new file. If you did forget something, git add the files you want, and then git commit --amend. It will essentially redo the last commit, with the changes you just added. It seeds the commit message with the last commit message by default. You probably shouldn't do this if you've already pushed the commit.

Monitor a file with tail with timestamps added

Calculate N!

cycle through a 256 colour palette
Rainbow, instead of greys

Automatically find and re-attach to a detached screen session
-RR option is used to resume the first appropriate detached screen session

list block devices
Shows all block devices in a tree with descruptions of what they are.

Capture data in ASCII. 1500 bytes
Sniffing traffic on port 80 only the first 1500 bytes

Basic sed usage with xargs to refactor a node.js depdendency

Reconnect to screen without disconnecting other sessions
Have your screen session running in multiple places. (warning, things start to look weird if the terminal windows have different dimensions)

'hpc' in the box - starts a maximum of n compute commands modulo n controlled in parallel
the block of the loop is useful whenever you have huge junks of similar jobs, e.g., convert high res images to thumbnails, and make usage out of all the SMP power on your compute box without flooding the system. note: c is used as counter and the random sleep $ r=`echo $RANDOM%5 |bc`; echo "sleep $r"; sleep $r is just used as a dummy command.


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