Commands by selena142 (0)

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Watch the disk fill up with change highlighting
If you add the -d flag each difference in the command's output will be highlighted. I also monitor individual drives by adding them to df. Makes for a nice thin status line that I can shove to the bottom of the monitor.

Ring the system bell after finishing a long script/compile
This will ring the system bell once if your script exits successfully and twice if it fails. So you can go look at something else and it will alert you when done. Don't forget to use 'xset b [vol [pitch [duration]]]' to get the bell to sound the way you want.

Set file access control lists
The file myfile is owned by tom and has read and write permissions for tom. Group and other permissions are empty which make myfile readable and writable only by tom. setfacl enables user tom to give read permission to user john only. The command 'ls -l' shows a '+' sign telling us that file access control list has been setup for myfile.

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

Forward port 8888 to remote machine for SOCKS Proxy
Simply change your web browser's proxy settings to point to a SOCKS proxy at port 8888 and you're good to go.

Show all configured ipv4
Short list of all ip. Shows even the newly supported multiple ip address on the same interface (see eth1). For ipv6 use -6

List the size (in human readable form) of all sub folders from the current location
Simple and easy to remember. -h is human, -d1 = depth 1. disk usage, human, depth 1

Weather on the Command line
Get your weather from a weather station just blocks from your home. Go to http://www.wunderground.com/wundermap/ and find a weather station near you. Click on a temperature bubble for that area. When the window pops up, click on hypertext link with the station ID, then on the bottom right of the page, click on the Current Conditions XML. Thats your link! Good luck!

Make a statistic about the lines of code
use find to grep all .c files from the target directory, cat them into one stream, then piped to wc to count the lines

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


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