Commands by illianna (0)

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Force logout after 24 hours idle
Shell timeout variables (TMOUT) can be very liberal about what is classified as 'activity', like having an editor open. This command string will terminate the login shell for an user with more than a day's idle time.

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generate random tone

Convert ascii string to hex
If you're going to use od, here's how to suppress the labels at the beginning. Also, it doesn't output the \x, hence the sed command at the end. Remove it for space separated hex values instead

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

see the TIME_WAIT and ESTABLISHED nums of the network
see the TIME_WAIT and ESTABLISHED nums of the network

Search some text from all files inside a directory

Extract all GPS positions from a AVCHD video.

Terminal - Show directories in the PATH, one per line with sed and bash3.X `here string'

shell bash iterate number range with for loop
Bash's arithmetic evaluation.


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