On Ubuntu 20.04 after installing the NVIDIA driver 510 metapackage the system stopped booting. It will either hang with a black screen and blinking cursor on the top left or show the following error message: Attempting to revert from a snapshot ends up with the same error message. This wasn’t…
Raspberry Pi : Configuring a Time Capsule/Backintime server
In this post, I am setting up a Time Capsule and Backintime server. I am using a Raspberry Pi that has Ubuntu installed, with a USB disk that has been configured into a ZFS pool. Setting up backup users You are going to have to create users for each of…
ZFS: Setting up ZFS storage on Ubuntu
If you are new to ZFS, I would advise doing a little bit of research first to understand the fundamentals. Jim Salter’s articles on storage and ZFS are very recommended. https://arstechnica.com/information-technology/2020/05/zfs-101-understanding-zfs-storage-and-performance/ The examples below are to create a pool from a single disk, with separate datasets used for network backups.…
Ubuntu: ZFS bpool is full and not running snapshots during apt updates
When running apt to update my system I kept seeing a message saying that bpool had less than 20% space free and that the automatic snapshotting would not run. What I didn’t realise is that this would apply to the rpool even if it had plenty of free space. They…
Ubuntu 20.04: Install Ubuntu with ZFS and encryption
Ubuntu 20.04 offers installing ZFS as the default filesystem. This has lots of advantages. My favourite is being able to revert the system and home partitions (simultaneously or individually) to a previous state through the boot menu. One major drawback for me is the lack of an option to encrypt…
