How to enable automatic logouts
You can set an account to lock after some minutes of idle time.
To achieve this, edit
/etc/profile (as root), adding this line at the top:
trap "" 1 2 3 15
- This avoids that the processing of this file cannot be interrupted.
At the bottom of the file, add:
# log out after 120 seconds export TMOUT=120 readonly TMOUT
This setting will apply next login. This does not work on graphical applications (but it will close terminal emulators).
In Debian/Ubuntu systems, you can use
dpkg-reconfigureto reconfigure an installed package using intuitive dialogs. I will show you how to use this command to change some system settings.
If you have a scanned PDF and you want to be able to search and copy text from it, in this tutorial I will show you how to do it.
If you want to do X11 forwarding from your container to your host, you can type these simple commands.
If you don’t have a Graphical User Interface (GUI) on your Linux device, or you need a simple text-based web browser, I will show you a couple of great programs.
A comprehensive list of Linux-related websites sorted by categories.