Bash script found here: https://gist.github.com/scy/6781836 -fRun in the background before command execution. -NDon’t execute any commands -TDisable pseudo-tty allocation. -S socketnameUse a control socket with name socketname -MPut control socket in master mode -O check, exitControl command
Summary: String Manipulation and Expanding Variables For your ready references here are all your handy bash parameter substitution operators. Try them all; enhance your scripting skills like a pro: ${parameter:-defaultValue} Get default shell variables value ${parameter:=defaultValue} Set default shell variables value ${parameter:?”Error Message”} Display an error message if parameter is not set ${#var} Find the
One thing I hate is going in to edit a crontab or run visudo and being forced to use pico instead of my text editor of choice (vim). Here’s how to change the default editor for your system.. Open up /etc/bashrc in your favorite editor and look for the lines: export EDITOR=”pico” export VISUAL=”pico” Now,
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