How To Install zfs-initramfs on Ubuntu 20.04

In this tutorial we learn how to install zfs-initramfs on Ubuntu 20.04. zfs-initramfs is OpenZFS root filesystem capabilities for Linux - initramfs OpenZFS root filesystem capabilities for Linux - initramfs OpenZFS root filesystem capabilities for Linux - initramfs

Introduction

In this tutorial we learn how to install zfs-initramfs on Ubuntu 20.04.

What is `zfs-initramfs`

zfs-initramfs is:

The Z file system is a pooled filesystem designed for maximum data integrity, supporting data snapshots, multiple copies, and data checksums.

This package adds OpenZFS to the system initramfs with a hook for the initramfs-tools infrastructure. Task: ubuntu-live, xubuntu-live, ubuntustudio-dvd-live, ubuntukylin-live, ubuntu-mate-live, ubuntu-budgie-live

Package: zfs-initramfs Architecture: amd64 Version: 0.8.3-1ubuntu12.9 Priority: extra Section: kernel Source: zfs-linux Origin: Ubuntu Maintainer: Ubuntu Developers [email protected] Original-Maintainer: Debian ZFS on Linux maintainers [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 110 Depends: busybox-initramfs | busybox-static | busybox, initramfs-tools, zfsutils-linux (>= 0.8.3-1ubuntu12.9) Breaks: zfsutils-linux (<= 0.7.11-2) Replaces: zfsutils-linux (<= 0.7.11-2) Filename: pool/main/z/zfs-linux/zfs-initramfs_0.8.3-1ubuntu12.9_amd64.deb Size: 23596 MD5sum: 9b3f3916fdc7b0bd3866dd8899c6f445 SHA1: 0267179337066776d7bc219e499f8b28c5c970dd SHA256: 8b3fb9b66a9dcf7f5a75ad068bea384f13564f1ef55189f3900ff49b8424791c SHA512: 19eb0e6a990ab6fd2329c8b8792b94f2e45dfe7c85736fa342725b77dcd9037b65f1b142bbc4b2855e991a9f4a2559ce95d87b386b9a678e22d1268b999b46f4 Homepage: https://zfsonlinux.org/ Description-en: OpenZFS root filesystem capabilities for Linux - initramfs The Z file system is a pooled filesystem designed for maximum data integrity, supporting data snapshots, multiple copies, and data checksums.

Package: zfs-initramfs Architecture: amd64 Version: 0.8.3-1ubuntu12 Priority: extra Section: kernel Source: zfs-linux Origin: Ubuntu Maintainer: Ubuntu Developers [email protected] Original-Maintainer: Debian ZFS on Linux maintainers [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 109 Depends: busybox-initramfs | busybox-static | busybox, initramfs-tools, zfsutils-linux (>= 0.8.3-1ubuntu12) Breaks: zfsutils-linux (<= 0.7.11-2) Replaces: zfsutils-linux (<= 0.7.11-2) Filename: pool/main/z/zfs-linux/zfs-initramfs_0.8.3-1ubuntu12_amd64.deb Size: 23592 MD5sum: e7cd83c43e730cb268a5b84f2760ff11 SHA1: 3f32aca1e7f718b0e03c788dd506c9168c967f39 SHA256: fe2ee630de2827f10c2ef4c41cea2690832c35f61a769eeeb28794fd1bb2f239 Homepage: https://zfsonlinux.org/ Description-en: OpenZFS root filesystem capabilities for Linux - initramfs The Z file system is a pooled filesystem designed for maximum data integrity, supporting data snapshots, multiple copies, and data checksums.

There are three methods to install zfs-initramfs 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 zfs-initramfs Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install zfs-initramfs using apt-get by running the following command:

sudo apt-get -y install zfs-initramfs

Install zfs-initramfs Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install zfs-initramfs using apt by running the following command:

sudo apt -y install zfs-initramfs

Install zfs-initramfs 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 zfs-initramfs using aptitude by running the following command:

sudo aptitude -y install zfs-initramfs

How To Uninstall zfs-initramfs on Ubuntu 20.04

To uninstall only the zfs-initramfs package we can use the following command:

sudo apt-get remove zfs-initramfs

Uninstall zfs-initramfs And Its Dependencies

To uninstall zfs-initramfs and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove zfs-initramfs

Remove zfs-initramfs Configurations and Data

To remove zfs-initramfs configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge zfs-initramfs

Remove zfs-initramfs configuration, data, and all of its dependencies

We can use the following command to remove zfs-initramfs configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge zfs-initramfs

References

Summary

In this tutorial we learn how to install zfs-initramfs package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.