3 is the column's number.
to unload Daemon, use: launchctl unload /Library/LaunchDaemons/.plist
eliminates "l" and "o" characters change length by changing 'x' here: cut -c 1-x Show Sample Output
Values will depend on the driver and the hardware specifics, so you need to refer to your driver documentation for proper interpretation of those values. Show Sample Output
Very simple and useful, you need to change the word "directory" for your directory
This deals nicely with files having special characters in the file name (space ' or "). Parallel is from https://savannah.nongnu.org/projects/parallel/
The preferred way for scripts (and easier to parse) Show Sample Output
gets the last number of the mac address to use it for other stuff Show Sample Output
I alias this as "tach": alias tach='screen -x `screen -ls | grep Detached | cut -c -10`' If you have several detached sessions it will just grab the first one. If you're running nested screens you can open new outer windows and run tach repeatedly to grab all the detached sessions into that one. Show Sample Output
Gets the internal and external IP addresses of all your interfaces, or the ones given as arguments Show Sample Output
--basic --user username:password This will authenticate your Twitter username and password --data status="" Send data to the API with POST HTTP form.
Useful after a complete system update (without a new kernel) when you want to know, which processes need to be restarted Show Sample Output
For disk space constraint testing. Leaves a little space available for creating temp files, etc. Easily free up the used disk space again by deleting the dummy00 file. Can tailor the testing by building smaller 'blocks' to suit the needs of the testing. WARNING: do not do this to the '/' (root) filesystem unless you know what you are doing... on some systems it could crash the OS.
A few characters shorter that the other command
I don't know why this ain't written as simply as it is. I always see it's just used as parameter, like: vi `!!` But i use it to repeat a command, as i always work on several shells and check the result of one shell on a second.
possible options: * Varnish * Squid in reverse proxy mode * Django's cache framework * rack-cache * or CDN, like Akamai
curl doesn't provide url-encoding for 'GET' data, it have an option '--data-urlencode', but its only for 'POST' data. Thats why I need to write down this commandline. With 'perl', 'php' and 'python', this is one liner, but just I wrote it for fun. Works in Ubuntu, will work in all linux varients(I hope it will work in unix varients also). Show Sample Output
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