How To Install cvm-mysql on Ubuntu 20.04
Introduction
In this tutorial we learn how to install cvm-mysql
on Ubuntu 20.04.
What is cvm-mysql
cvm-mysql is:
CVM is a framework for validating a set of credentials against a database using a filter program. The modules act as a filter, taking a set of credentials as input and writing a set of facts as output if those credentials are valid. Optional input is given to the module through environment variables.
Some of the ideas for CVM came from experience with PAM (pluggable authentication modules), the checkpassword interface used by qmail-pop3d, and the “authmod” interface used by Courier IMAP and POP3. This framework places fewer restrictions on the invoking client than checkpassword does, and is much simpler to implement on both sides than PAM and the authmod framework.
See http://untroubled.org/cvm/cvm.html for more information.
There are three methods to install cvm-mysql
on Ubuntu 20.04. We can use apt-get
, apt
and aptitude
. In the following sections we will describe each method. You can choose one of them.
Install cvm-mysql Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install cvm-mysql
using apt-get
by running the following command:
sudo apt-get -y install cvm-mysql
Install cvm-mysql Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install cvm-mysql
using apt
by running the following command:
sudo apt -y install cvm-mysql
Install cvm-mysql 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 cvm-mysql
using aptitude
by running the following command:
sudo aptitude -y install cvm-mysql
How To Uninstall cvm-mysql on Ubuntu 20.04
To uninstall only the cvm-mysql
package we can use the following command:
sudo apt-get remove cvm-mysql
Uninstall cvm-mysql And Its Dependencies
To uninstall cvm-mysql
and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove cvm-mysql
Remove cvm-mysql Configurations and Data
To remove cvm-mysql
configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge cvm-mysql
Remove cvm-mysql configuration, data, and all of its dependencies
We can use the following command to remove cvm-mysql
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge cvm-mysql
References
Summary
In this tutorial we learn how to install cvm-mysql
package on Ubuntu 20.04 using different package management tools: apt
, apt-get
and aptitude
.