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WSL 1 is not capable of running all Linux software, such as 32-bit binaries, [42] [43] or those that require specific Linux kernel services not implemented in WSL. Due to a total lack of Linux in WSL 1, kernel modules, such as device drivers, cannot be run. WSL 2, however, makes use of live virtualized Linux kernel instances.
Ubuntu 22.04 LTS Desktop uses Linux kernel 5.17 for newer hardware and a rolling HWE (hardware enablement) kernel based on version 5.15 for other hardware; Ubuntu 22.04 LTS Server uses version 5.15, while Ubuntu Cloud and Ubuntu for IoT use an optimized kernel based on version 5.15. It updates Python to 3.10 and Ruby to 3.0. [274]
6.8.12 [7] 30 May 2024 [22] 6.7 8 January 2024 [1] 6.7.12 [7] 3 April 2024 Initial Bcachefs filesystem support [23] Itanium support removed [23] Intel Meteor Lake Graphics declared stable [23] Initial Nouveau support for Nvidia GSP firmware [23] Ability to disable IA-32 support at boot time on AMD64 [24]
This allows drivers and devices outside of the mainline kernel to continue working after a Linux kernel upgrade. [3] Another benefit of DKMS is that it allows the installation of a new driver on an existing system, running an arbitrary kernel version, without any need for manual compilation or precompiled packages provided by the vendor.
Snap is a software packaging and deployment system developed by Canonical for operating systems that use the Linux kernel and the systemd init system. The packages, called snaps, and the tool for using them, snapd, work across a range of Linux distributions [3] and allow upstream software developers to distribute their applications directly to users.
kpatch is a feature of the Linux kernel that implements live patching of a running kernel, which allows kernel patches to be applied while the kernel is still running. By avoiding the need for rebooting the system with a new kernel that contains the desired patches, kpatch aims to maximize the system uptime and availability.
After recompiling a kernel binary image from source code, a kernel panic while booting the resulting kernel is a common problem if the kernel was not correctly configured, compiled or installed. [8] Add-on hardware or malfunctioning RAM could also be sources of fatal kernel errors during start up, due to incompatibility with the OS or a missing ...
The package management system evaluates this meta-information to allow package searches, perform automatic upgrades to newer versions, and to check that all dependencies of a package are present (and either notify the user to install them, or install them automatically). The package can also be provided as source code to be compiled on the system.