How To Install libjerasure2 on Ubuntu 18.04
Introduction
In this tutorial we learn how to install libjerasure2 on Ubuntu 18.04.
What is libjerasure2
libjerasure2 is:
In information theory, an erasure code is a forward error correction (FEC) code for the binary erasure channel, which transforms a message of symbols into a longer message (code word) with symbols such that the original message can be recovered from a subset of the symbols.
Jerasure is a shared library that been designed to be modular, fast and flexible. It is used in storage systems such as Swift and Ceph to add fault tolerance.
This package contains the shared library.
There are three methods to install libjerasure2 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 libjerasure2 Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libjerasure2 using apt-get by running the following command:
sudo apt-get -y install libjerasure2
Install libjerasure2 Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libjerasure2 using apt by running the following command:
sudo apt -y install libjerasure2
Install libjerasure2 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 libjerasure2 using aptitude by running the following command:
sudo aptitude -y install libjerasure2
How To Uninstall libjerasure2 on Ubuntu 18.04
To uninstall only the libjerasure2 package we can use the following command:
sudo apt-get remove libjerasure2
Uninstall libjerasure2 And Its Dependencies
To uninstall libjerasure2 and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove libjerasure2
Remove libjerasure2 Configurations and Data
To remove libjerasure2 configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge libjerasure2
Remove libjerasure2 configuration, data, and all of its dependencies
We can use the following command to remove libjerasure2 configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libjerasure2
References
Summary
In this tutorial we learn how to install libjerasure2 package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
