Canonical launched Ubuntu 23.10, codename Mantic Minotaur, to the general public. The brand new launch of the Linux distribution introduces a lot of modifications, together with an improve to Linux kernel 6.5, a brand new Ubuntu App Heart, assist for TMP-backed full-disk encryption, a standalone firmware updater, assist for brand spanking new {hardware}, together with Raspberry Pi 6, and extra.
Desktop customers discover the brand new model listed on the official obtain web page on the Ubuntu web site already. Solely the legacy ISO is offered on the time, because the maintainers handle a last-minute situation within the official Ubuntu Desktop 23.10 and Ubuntu Budgie 23.10 releases.
Upgrading to Ubuntu 23.10
Present Ubuntu desktop customers could obtain prompts when the improve is offered. These prompts ought to be displayed a couple of days after the official launch announcement. Customers could velocity this up by checking for updates manually.
It is suggested to run the next instructions to ensure that software program is updated earlier than continuing with the set up of the brand new Ubuntu model. On a terminal window, run the next instructions:
- sudo apt replace
- sudo apt improve
As soon as finished, run the Software program Updater, which you discover within the utility menu. Observe that you could be make a change within the utility’s configuration as a way to get interim launch (these ending with *.10) improve prompts.
Choose the Updates tab within the preferences and swap “notify me of a brand new Ubuntu model” to “for any new model”.
Ubuntu 23.10 will likely be supported till July 2024.
Ubuntu 23.10: main modifications
The brand new model of Ubuntu ships with Linux kernel 6.5. The brand new kernel consists of quite a few necessary modifications, equivalent to ACPI assist on RISC-V, assist for Intel’s Topology Conscious Register and PM Capsule Interface, which guarantees higher power-management, and particular reminiscence permissions on ARM64.
AppArmor Profile
Ubuntu 23.10 consists of quite a few safety enhancements. Assist for AppArmor profile is launched on this model to “use unprivileged person namespaces”. The characteristic is disabled by default. As soon as enabled, it impacts all functions on the system which might be unprivileged and unconfined.
Ubuntu customers who need to allow this safety characteristic could check it briefly:
To check the performance for the session: echo 1 | sudo tee /proc/sys/kernel/apparmor_restrict_unprivileged_userns
Those that need to use it completely must create a brand new file /and so on/sysctl.d/60-apparmor-namespace.conf and add the road kernel.apparmor_restrict_unprivileged_userns=1 to it. A reboot is required to finish the method.
The discharge notes record a couple of troubleshooting choices for customers who run into points after enabling the safety characteristic.
TPM-backed full disk encryption can be supported in Ubuntu 23.10. It’s launched as an experimental characteristic and its impact is that the passphrase doesn’t should be entered manually anymore on boot as well the system. The TPM chip handles this and “presents further layers of safety” in line with Canonical.
Ubuntu customers preferring to proceed coming into the passphrase could achieve this. Extra details about this alteration is offered on the Ubuntu weblog.
Different Ubuntu 23.10 modifications
Here’s a record of necessary modifications within the new launch:
- Ubuntu App Heart replaces Snap Retailer.
- Standalone Firmware Updater utility is now included.
- The Community Supervisor makes use of Netplan because the default settings-storage backend.
- The default set up sort for Ubuntu Desktop installations is minimal.
- Reintroduced assist for ZFS guided installations.
- ADSys Lively Listing Certificates auto-enrollment to “streamline connecting to company Wi-Fi and VPN networks”.
- GNOME replace to include GNOME 45 options and fixes.
- Included apps, Firefox, LibreOffice and Thunderbird, up to date.
- fonts-ubuntu-classic package deal could also be put in to make use of fonts utilized in earlier Ubuntu variations.
You’ll be able to try the total launch notes right here.
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