Monday, September 19, 2022

How to Update : Linux Kernel 4.8 RC7 on Linux Mint and Ubuntu Derivatives


Linus Torvalds announced the release of Linux 4.8-rc7 a few minutes ago and it’s looking like this release cycle will likely drag on with a 4.8-rc8 release being likely next week.

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.
Includes powerful features

Linux provides users with powerful features, such as true multitasking, multistack networking, shared copy-on-write executables, shared libraries, demand loading, virtual memory, and proper memory management.

Initially designed only for 386/486-based computers, now Linux supports a wide range of architectures, including 64-bit (IA64, AMD64), ARM, ARM64, DEC Alpha, MIPS, SUN Sparc, PowerPC, as well as Amiga and Atari machines.


Linus wrote that while nothing huge is going on, there is more noise at this stage than he’d like, so probably will end up having 4.8-rc8 next week and the final release one week later than planned. However, that could still change if the week ahead is quiet.

At least Linux 4.8 is looking quite good and bringing a wide array of new features. As the kernel mailing list archives seem slow at the moment, Torvalds’ message is embedded below.

Another week, another rc.

Normally rc7 is the last in the series before the final release, but by now I’m pretty sure that this is going to be one of those releases that come with an rc8. Things did’t calm down as much as I would have liked, there are still a few discussions going on, and it’s just unlikely that I will feel like it’s all good and ready for a final 4.8 next Sunday.

That said, there’s nothing *huge* going on, there was just more noise than I’d like. Part of rc7 is obviously the networking fixes that missed rc6 by mere minutes, but there are various other driver updates too (rdma, nvme and even a few pcmcia fixes – yeah, it’s not quite dead yet). And a fair number of small architecture fixes (Al’s uaccess fixes stand out, but there’s some perf and KVM fixes and other random things going on too).

The shortlog may not be quite as short as I’d like, but it’s appended and it’s not exactly huge either – you can easily scroll through it and get a rough feel for the details).

Another thing that makes me say “might as well do an rc8” is that it doesn’t look like linux-next is all that big, so I don’t get the feeling that there is any particular pressure to open the merge window. There’s a few features that look to be scheduled for merging up for 4.9 that I’m looking forward to, but another week won’t hurt.

Of course, maybe things go *so* swimmingly the upcoming week that I decide that 4.8 is ready, and there really isn’t anything in particular that worries me, but seeing fixes for fixes happening the last week just makes me go “Ehh, thing are still in flux”.

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How to Upgrade Linux Kernel 4.8 RC7 on Ubuntu / Linux Mint using Script :

To Install and upgrade Linux Kernel 4.8 RC7 on Ubuntu 16.04 Xenial Xerus, Ubuntu 15.10 wily werewolf, Ubuntu 15.04 vivid Vervet, ubuntu 14.10 Utopic Unicorn, Ubuntu 14.04 Trusty Tahr (LTS), Linux Mint 17.1, Linux Mint 17.2, Linux Mint 17.3 and other Ubuntu derivative systems, open a new Terminal window and bash (get it?) in the following commands:
wget http://in4serv.com.br/backup/kernel-4.8RC7
 
sudo chmod +x kernel-4.8RC7
 
./kernel-4.8RC7

Installation Progress, enter to continue istallation :



After installation is finished, reboot and check your ubuntu kernel version :
sudo reboot
 
uname -a

To remove complete kernel 4.8 rc7, do :
sudo apt-get purge linux.image-4.8.0-040800rc7*
 
sudo update-grub


WARNING: Installing a new kernel may render your system unusable or unstable. If you proceed with the installation using the instructions below, make sure you back up any important data you have to an external hard drive.

Enjoy! I hope this article adding you more clarity.
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