How To Install zfsnap on Ubuntu 18.04
Introduction
In this tutorial we learn how to install zfsnap on Ubuntu 18.04.
What is zfsnap
zfsnap is:
zfSnap is a simple sh script to make rolling zfs snapshots with cron. The main advantage of zfSnap is it’s written in 100% pure /bin/sh so it doesn’t require any additional software to run.
zfSnap keeps all information about snapshot in snapshot name.
zfs snapshot names are in the format of Timestamp–TimeToLive.
Timestamp includes the date and time when the snapshot was created and TimeToLive (TTL) is the amount of time for the snapshot to stay alive before it’s ready for deletion.
There are three methods to install zfsnap 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 zfsnap Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install zfsnap using apt-get by running the following command:
sudo apt-get -y install zfsnap
Install zfsnap Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install zfsnap using apt by running the following command:
sudo apt -y install zfsnap
Install zfsnap 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 zfsnap using aptitude by running the following command:
sudo aptitude -y install zfsnap
How To Uninstall zfsnap on Ubuntu 18.04
To uninstall only the zfsnap package we can use the following command:
sudo apt-get remove zfsnap
Uninstall zfsnap And Its Dependencies
To uninstall zfsnap and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove zfsnap
Remove zfsnap Configurations and Data
To remove zfsnap configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge zfsnap
Remove zfsnap configuration, data, and all of its dependencies
We can use the following command to remove zfsnap configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge zfsnap
References
Summary
In this tutorial we learn how to install zfsnap package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
