Passing secrets (password) to a program via environmental variable is considered “extremely insecure” according to MySQL docs and as poor choice (from security aspect) across other resources.
I wrote the following command in order to match $a with $b, but when the value includes “-“, then I get an error. How can I avoid that?
I’m using fluxbox and recently i wanted to start an application for video editing and i couldn’t remember it’s name. I usually run apps from terminal so I was wondering is there a way to list all (applications or) app specific commands like Xmonad’s “run or raise” feature?
This feature can be seen here at 1:14 : http://www.youtube.com/watch?v=AyNkBLhIpQk&feature=related
TL;DR: Why does POSIX brace group need spaces after { reserved word but subshell doesn’t after reserved word (?
I was discussing with my friend on how the commands are parsed in the shell, and he told me that bash searches the command in following order
After I apply chmod -R to a directory, permissions are changed for everything within (files and directories). How can I add execute/search (x) permissions to directories without modifying the files?
My Kubuntu 12.04 system ran out of space on on the root partition and will not boot. The command df -h shows a lot of space available (with only 37% used):
Let me explain you the problem
How can I insert some text in specific lines of a file? What is the simplest method that I can use? (bash, sed, awk?)
I have a CSV file users.csv with a list of userNames, userIDs, and other data: