How To Install zsnapd on Ubuntu
Posted on April 1, 2023 (Last modified on May 20, 2023 )
3 minutes • 521 words
Introduction
In this tutorial we learn how to install zsnapd on Ubuntu.
What is zsnapd
zsnapd is:
Python daemon that manages ZFS snapshots and send/receive backup. Based on zfs-snap-manager.
- Remote ZFS snapshoting/aging wnd replication back to central ZFS backup server. Only need to install zfs-utils, zsnapd-rcmd (for secure) remote ssh key login and sshd on client, and use root ssh key based log in.
- Has connectivity test to skip scheduled actions when the remote site cannot be contacted. Actually quite useful for ZFS backing up laptops. Reachability failures are logged of course!
- Uses Python3
- Native systemd support.
- Configuration is stored in configuration files with the ini file format. Configuration .d parts directories also present
- Triggers the configured actions based on time or a ‘.trigger’ file present in the dataset’s mountpoint.
- Can take snapshots (with a yyyymmddhhmm timestamp format).
- Can replicate snapshots to/from other nodes.
- Push based when the replication source has access to the replication target.
- Pull based when the replication source has no access to the replication target. Typically when you don’t want to give all nodes access to the backup/replication target.
- Cleans all snapshots with the yyyymmddhh timestamp schmea format based on a GFS schema (Grandfather, Father, Son). Timestamp evaluation based on actual ZFS snapshot creation metadata.
- Supports pre and post commands.
There are three methods to install zsnapd on Ubuntu. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install zsnapd Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install zsnapd using apt-get by running the following command:
sudo apt-get -y install zsnapd
Install zsnapd Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install zsnapd using apt by running the following command:
sudo apt -y install zsnapd
Install zsnapd 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 zsnapd using aptitude by running the following command:
sudo aptitude -y install zsnapd
How To Uninstall zsnapd on Ubuntu
To uninstall only the zsnapd package we can use the following command:
sudo apt-get remove zsnapd
Uninstall zsnapd And Its Dependencies
To uninstall zsnapd and its dependencies that are no longer needed by Ubuntu, we can use the command below:
sudo apt-get -y autoremove zsnapd
Remove zsnapd Configurations and Data
To remove zsnapd configuration and data from Ubuntu we can use the following command:
sudo apt-get -y purge zsnapd
Remove zsnapd configuration, data, and all of its dependencies
We can use the following command to remove zsnapd configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge zsnapd
Dependencies
zsnapd have the following dependencies:
References
Summary
In this tutorial we learn how to install zsnapd package on Ubuntu using different package management tools: apt, apt-get and aptitude.