How to Update & upgrade Linux Kernel 6.6 rc5 on Ubuntu Derivative system
Linux kernel is the essential part of any Linux operating system.
It is responsible for resource allocation, low-level hardware
interfaces, security, simple communications, basic file system
management, and more. Written from scratch by Linus Torvalds (with help
from various developers), Linux is a clone of the UNIX operating system.
It is geared towards POSIX and Single UNIX Specification compliances.
The heart of a Linux distribution
The
Linux kernel is the heart of a Linux distribution. If you are a long
time Linux user, you may have stumbled across upgrades to the default
Linux kernel packages, which lead to better support for certain hardware
components or peripherals.
What’s New in Linux 6.6?
One of the most notable new features in Linux 6.6 is the EEVDF scheduler, which replaces the CFS scheduler.
EEVDF fulfils the same role as CFS, helping divides CPU time between processes – but does so more efficiently, with less lag, and reduced latency. However, kernel devs caution the new schedule may, in rare cases, cause performance regressions with specific workloads – but it’ll be fixed in time.
It’ll be interesting to see benchmarks pitting EEVDF vs CFS. Performance boosts (however minor) are always welcome, and this change sounds like it could provide appreciable boosts in general, as well as for gaming and other latency-sensitive workloads run on Linux.
There’s also a new eventfs subsystem to improve memory efficiency in the tracing subsystem.
Ample AMD-related additions include support for AMD Dynamic Boost Control, fixes for unintended kernel panics on AMD Zen systems, KVM-related buffs, support for AMD Zen 5 temperature and EDAC in AMD Family 1Ah processors, and AMD P-State features control via cpupower.
Among a slew of security enhancements is a notable one: Intel Shadow Stack (which despite the name benefits some AMD chips too). This hardware feature helps to protect applications from return-oriented programming (ROP) attacks on on Intel Tiger Lake processors and later.
On the filesystem front, CephFS now supports FSCRYPT, meaning it’s now possible to encrypt CephFS files and directories; KSMBD is no longer experimental; while “pretty juicy” IOmap improvements poised to deliver appreciable performance gains for I/O-heavy workloads.
Notable gaming-related device support:
- Rumble for Google Stadia controller
- NVIDIA SHIELD controller battery reporting
- SteelSeries Arctis 1 Xbox headset
- Logitech G Pro X Superlight gaming mouse
- GameSir T4 Kaleid controller
Owners of Lenovo laptops frustrated to find the keyboards don’t work under Linux will be pleased to hear that Linux 6.6 adds in support for a bunch — no thanks to Lenovo, though! Newly supported models include the Lenovo V14, V15, and the G14 AMN.
For more detail on some of these and other changes in Linux 6.6 do read through LWN’s merge 1 and merge 2 roundups. Lots more detail, context, plus links to many of the mentioned commits themselves.
Install Kernel 6.6 rc5 on Ubuntu system :
will upgraded to linux kernel 6.6 :
How to Upgrade to Linux Kernel 6.6 rc5 on Ubuntu / Linux Mint / POP OS :
Open terminal and follow this command :
Make Folder
For Amd64 :
After download is complete, Set permission to user and Install the Kernel Package :
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