IF you frequently use terminal in Ubuntu, you must have faced this situation. You use sudo for some command in the terminal, it asks for the password. You enter the password, command runs. For the subsequent commands, even if they need super user privileges, you don’t need to enter the password again. After a certain amount of time, when you try to use sudo, it asks for password again.
It happens because there is a default timeout in Ubuntu and other Linux system for Sudo. In Ubuntu 13.04, this default sudo timeout is 15 minutes. If you think 15 minute is too short or too long you can even change the sudo password timeout in Ubuntu. And in this quick tip, I am going to show you how to do this.
Change sudo password timeout in Ubuntu:
Changing the default sudo password timeout in Ubuntu is very easy. Even beginners can do it. All you have to do is to open a terminal (Ctrl+Alt+T) and use the following command:
It will open a file in nano text editor that contains some settings related to sudo. In here look for the following line:
Replace above line with this one:
Defaults env_reset, timestamp_timeout=XX
Where XX is the new timeout value in minutes. Of course you have to replace the XX with the desired timeout value.
Once you are done changing the default sudo password timeout, use Ctrl+X to exit the editor. It will give you option to save or cancel the changes. Use Y to save the changes.
Voila! Quick and easy tip to change the sudo password timeout in Ubuntu. Was it not fun? Any questions, suggestions or some fun tips are welcomed. Ciao :)