![]() ![]() This works via a tool called Snapper in SUSE distros, and Ubuntu is working on something similar, although neither this nor ZFS are enabled by default yet. The idea is that if an update goes wrong and something stops working, then you can just reboot and revert back to an older snapshot in which everything worked. One of the big benefits of a COW-capable filesystem is that it makes it very fast to create snapshots: essentially, the OS can say "make a snapshot of this directory at this point", and the filesystem automatically and invisibly starts redirecting any changes to those files to new, separate copies. Fedora backs down on removing BIOS support… for now.OpenVMS on x86-64 reaches production status with v9.2.At last, Red Hat Enterprise Linux 9.0 slips out.Enterprise-strength FreeBSD-based TrueNAS releases v13.0.The difference is that they are using copy-on-write (COW) filesystems: Btrfs for SUSE and ZFS for Ubuntu. ![]() Much like Fedora Silverblue, both Canonical with Ubuntu Core and SUSE with Kubic and MicroOS are experimenting with immutable distros. Fedora defaults to formatting the hard disk with Btrfs, as it has since version 33, but it's worth noting that this doesn't confer much benefit yet. One reason we specifically mention Rawhide is to talk about disk formats. There's a lightweight version with LXQt and only essential apps preinstalled ![]()
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