Ubuntu 22.04 LTS includes several optimized Kernels
Recently became known the release of the new update to Ubuntu 22.04.2 LTS which includes changes related to improved hardware support, updating the Linux kernel and graphics stack, bug fixes in the installer and bootloader.
The composition also includes current updates for several hundred packages related to the elimination of vulnerabilities and problems that affect stability.
The Ubuntu team is pleased to announce the release of Ubuntu 22.04.2 LTS
(long-term support) for your desktop, server and cloud products, as well as
like other Ubuntu versions with long-term support.
Desktop builds (Ubuntu Desktop) have a fresh kernel and graphics stack by default.
For server systems (Ubuntu Server), the new kernel is added as an option in the installer. Using new builds only makes sense for new installations: previously installed systems can get all the changes present in Ubuntu 22.04.2 via the regular update installation system.
It should be remembered that for the delivery of new versions of the kernel and graphics stack, a rolling update support model is used, whereby supported kernels and drivers will only be supported until the release of the next corrective update to the branch. Ubuntu LTS.
Therefore, the Linux 5.19 kernel proposed in the current version will be supported until the release of Ubuntu 22.04.3, which will offer the Ubuntu 23.04 kernel. The base 5.15 kernel is shipped initially and will be supported throughout the five-year maintenance cycle.
Main new features of Ubuntu 22.04.2 LTS
In this new update that comes from Ubuntu 22.04.2 LTS includes some improvements supported since Ubuntu version 22.10, For example, we can find that packages with Linux kernel version 5.19 (Ubuntu base kernel 22.04 – 5.15) have been proposed.
Another of the changes that stands out in this new update is that graphics stack components updated, including Mesa 22.2, which were tested on the Ubuntu 22.10 release. New versions of video drivers for Intel, AMD, and NVIDIA chips have been added.
In addition to that, some packages have also been updated, such as ceph 17.2.0, PostgreSQL 14.4, cloud-init 22.2, snapd 2.55.3, LibreOffice 7.3.4, GNOME 42.1, gtk4 4.6.5, gstreamer 1.20.3.
Also, it is highlighted that improved support for the RISC-V platform, builds for the LicheeRV and PolarFire Icicle Kit boards were formed and Intel Raptor Lake CPU support was added to Thermald.
On the other hand, it is mentioned that since Ubuntu 20.10 (“Groovy Gorilla”), the kernel option CONFIG_NFS_DISABLE_UDP_SUPPORT=yis configured and this disables the use of UDP as a transport for NFS mounts, regardless of the NFS version.
Finally if you are interested in knowing more about it about the changes that were made in this new Ubuntu update, you can check the details In the following link.
How to get the new Ubuntu 22.04.2 LTS update?
For those interested in being able to obtain the new update, just open your terminal and execute the following command in it:
sudo apt update && sudo apt upgrade
It is worth mentioning that Similar updates were also released a Ubuntu Budgie 22.04.2 LTS, Kubuntu 22.04.2 LTS, Ubuntu MATE 22.04.2 LTS, Ubuntu Studio 22.04.2 LTS, Lubuntu 22.04.2 LTS, Ubuntu Kylin 22.04.2 LTS and Xubuntu 22.04.2 LTS are released simultaneously.
It is worth mentioning that it only makes sense to use the featured builds for new installations, previously installed systems can receive all the changes present in Ubuntu 22.04.1 through the periodic update installation system. Support for the release of updates and security fixes for the server and desktop editions of Ubuntu 22.04 LTS will last (until) April 2027.
Integration of the new kernel, drivers, and graphics stack components is expected in the release scheduled for February of the following year.
To revert Ubuntu Desktop to the base 5.15 kernel, run the command:
sudo apt install --install-recomienda linux-generic
To install a new kernel on Ubuntu Server, run:
sudo apt install --install-recomienda linux-generic-hwe-22.04