remove all mail services from ubuntu

By default, any email sent by system is sent to root@hostname. So critical server errors, log errors, corn jobs alerts e.t.c all are sent to this default email address. To change it to different appropriate email id, we can do this by two ways. By updating email aliases file: For this example, lets set email to […]

In the fist few line, you will see something like autologin=username change it to the original state of # autologin=dgod. Save the file, and then reboot your machine. Using privileged admin account open up terminal or your favorite text file editor and edit the /etc/gdm3/custom.conf configuration file. Change from:

GNU Wget is a command-line utility for downloading files from the web. With Wget, you can download files using HTTP, HTTPS, and FTP protocols. Wget provides a number of options allowing you to download multiple files, resume downloads, limit the bandwidth, recursive downloads, download in the background, mirror a website and much more. Installing Wget […]

Create a script file, e.g. named my_file.sh, in the /etc/profile.d/ directory. Put #!/bin/bash as the first line. Write whatever command(s) you want to be executed immediately after logging in, e.g. pgrep udhcpd. Mark your file as executable: chmod +x /etc/profile.d/my_file.sh *It should get executed after login. In case it doesn’t or you don’t have the ability to use root privileges, creating the […]

You can add those lines at the end of your ~/.bashrc file which will get executed when you login. I’m talking about the ~/.bashrc serverside. When you have added your lines and logout and ssh back in these lines will get executed. You can leave out the last line of your script. If the ~/.bashrc does not exist you can simply create it or even […]

Running crontab -e will allow you to edit your cron. Adding a line like this to it:@reboot /path/to/script will execute that script once your computer boots up.