How To Install sysrqd on Ubuntu 18.04
Introduction
In this tutorial we learn how to install sysrqd on Ubuntu 18.04.
What is sysrqd
sysrqd is:
Permits to execute usual SysRq commands by network, like: sync, umount, reboot, poweroff, sak, term, etc.
Its philosophy is to be very responsive under heavy load and try to be somehow reliable. Authentication is made by clear password.
There are three methods to install sysrqd on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install sysrqd Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install sysrqd using apt-get by running the following command:
sudo apt-get -y install sysrqd
Install sysrqd Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install sysrqd using apt by running the following command:
sudo apt -y install sysrqd
Install sysrqd Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install sysrqd using aptitude by running the following command:
sudo aptitude -y install sysrqd
How To Uninstall sysrqd on Ubuntu 18.04
To uninstall only the sysrqd package we can use the following command:
sudo apt-get remove sysrqd
Uninstall sysrqd And Its Dependencies
To uninstall sysrqd and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove sysrqd
Remove sysrqd Configurations and Data
To remove sysrqd configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge sysrqd
Remove sysrqd configuration, data, and all of its dependencies
We can use the following command to remove sysrqd configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge sysrqd
References
Summary
In this tutorial we learn how to install sysrqd package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
