Arch linux update kernel

Upgrade Kernel on Arch Linux

When your computer shows the GRUB menu, select the “Advanced options for Arch Linux” option and press . Then select the menu for your newly installed kernel from the list and press . The kernel should be updated as you can see from the screenshot below.

What kernel does Arch Linux use?

Arch Linux

Developer	Levente Polyak and others
Platforms	x86-64 i686 (unofficial) ARM (unofficial)
Kernel type	Monolithic (Linux)
Userland	GNU
Default user interface	Command-line interface (Bash)

How do I make my Arch Linux more stable?

1. Install an LTS Kernel. Since Arch Linux is bleeding edge, the Linux kernel gets updated fairly frequently. .
2. Use the open source video drivers instead of the proprietary ones. .
3. Read before you update your packages. .
4. Use a downgrade program. .
5. Avoid installing packages that are in heavy development. .
6. 2 comments.

How do I update my kernel in manjaro?

STEP 1: Launch ‘Manjaro Settings Manager’. STEP 2: Click ‘Kernel’. STEP 3: Here is the place you can find all the available kernels info. You will see a comment ‘LTS Recommended’ against some of the Linux Kernel versions.

How often should you update Arch Linux?

You should either subscribe to the arch-announce list or check the Arch site to have a heads-up on updates that might need more than a ‘pacman -Syu’ to install properly. I have nine Archlinux machines including one VPS and I update them all 3-4 times a day.

Does Arch Linux break?

Arch is great until it breaks, and it will break. If you want to deepen your Linux skills at debugging and repair, or just deepen your knowledge, there’s no better distribution. But if you’re just looking to get things done, Debian/Ubuntu/Fedora is a more stable option.

How much RAM do I need for Arch Linux?

Arch Linux should run on any x86_64-compatible machine with a minimum of 512 MiB RAM, though more memory is needed to boot the live system for installation. [1] A basic installation should take less than 2 GiB of disk space.

Is Arch Linux worth it?

Absolutely not. Arch is not, and has never been about choice, it’s about minimalism and simplicity. Arch is minimal, as in by default it doesn’t have a lot of stuff, but it’s not designed for choice, you can just uninstall stuff on a non minimal distro and get the same effect.

Is Arch Linux good for beginners?

Arch Linux is perfect for «Beginners»

Rolling upgrades, Pacman, AUR are really valuable reasons. After just one day using it, I’ve come to realize that Arch is good for advanced users, but also for beginners.

Why is Arch Linux so fast?

It’s fast because there is nothing included. The more things you add the slower it will get. Especially if you’re on slow hardware. It could also have something to do with the fact that Arch is a «bleeding edge» distro (I really don’t like that phrase).

Is Arch Linux stable enough?

ArchLinux can be quite stable, but I would recommend using whatever distro your code will run on in production, so probably CentOS 7, Debian, Ubuntu LTS, etc. Having your library versions stay constant would probably make development easier. . I’ve been running arch for years and I’ve never had an update break it.

Is Arch Linux really that unstable?

That’s not to say that Arch Linux is unstable. It’s not, far from it. But for new users, there are certain precautions that should be taken so that the inherent freedom of Arch does not get in the way of system stability.

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Upgrade Kernel on Arch Linux

Arch is a rolling release Linux distro. It means you always get up to date software packages and kernel updates on Arch Linux. But that doesn’t mean you can’t manually install an updated version of Kernel on Arch Linux. Of course you can.

In this article, I will show you how to update the kernel of Arch Linux using the package manager. I will also show you how to compile the kernel from source and use it on Arch Linux. Let’s get started.

Updating Kernel using Package Manager:

First check the version of kernel you’re currently using with the following command:

Now run the following command to perform a system update with pacman:

As you can see from the marked section in the screenshot below, the kernel package will also be updated. Now press ‘y’ and then press to continue.

Pacman package manager should start downloading and installing the updates.

All the packages including the kernel is updated at this point.

Now restart your Arch Linux machine with the following command:

Once your computer starts, run the following command to check for the kernel version again:

As you can see from the screenshot below, the kernel is updated to 4.15.1.

Compiling Kernel from Source:

You can also download and compile an updated version of kernel from the official website of Linux kernel at https://www.kernel.org

I am going to show you how in this section.

First go to https://www.kernel.org and you should see the following page as shown in the screenshot below.

Now click on the marked section as shown in the screenshot below.

The latest version of Linux kernel as of the time of writing is 4.15.2. Your web browser should prompt you to save it. Click on “Save File” and then click on “OK” as marked in the screenshot below.

The Linux kernel archive file should start downloading.

Once the download is complete, navigate to the directory where you downloaded the file. In my case it is the Downloads/ directory in my USER’s home directory.

I listed the directory contents with ls command and as you can see, linux-4.15.2.tar.xz file is there.

Now extract the archive file with the following command:

The file should be extracted.

NOTE: To compile a Linux kernel, you need more than 20GB of free space. You can check how much space you have left with df -h command.

Once the file is extracted, a new directory should be created. In my case it is linux-4.15.2/ directory as shown in the screenshot below.

Now navigate to the directory with the following command:

Before starting the kernel compilation process, make sure you run the following command to install ncurses, make, gcc, bc, and openssl packages:

Press ‘y’ and then press to continue.

The required packages should be installed.

Now copy the configuration file that the current kernel is using to the linux-4.15.2 directory with the following command:

Now run the following command to prepare the configuration file for the new version of kernel.

It should start the following terminal based graphical interface. You can press , , and arrow keys to navigate and and to select or go back one step respectively.

From here you can enable or disable specific kernel features. If you don’t know what it is, just leave the defaults.

Once you’re satisfied with the configuration file, go to option and press

Then you should see the following window. Press again.

Then you should see the following window. Press again.

You should be back to the main configuration window.

You should be back to the terminal as shown in the screenshot below.

Now run the following command to start the compilation process:

The kernel compilation process should start.

It should take a long time for the kernel compilation process to finish. Once it’s done, you should see the following window as shown in the screenshot below.

Now install all the compiled kernel modules with the following command:

All the kernel modules should be installed.

Now copy the vmlinuz file for your architecture to the /boot directory. For 32-bit operating system, run the following command:

For 64-bit operating system, run the following command:

The file should be copied.

Now generate an initramfs image and save it to /boot directory with the following command:

The initramfs file should be generated.

Now copy the System.map file to /boot directory with the following command:

Now make a symbolic link of the System.map-4.15.2 file to /boot/System.map with the following command:

Now generate a grub.cfg file with the following command:

A new grub.cfg file should be generated.

Now reboot your computer with the following command:

When your computer shows the GRUB menu, select the “Advanced options for Arch Linux” option and press .

Then select the menu for your newly installed kernel from the list and press .

Once your computer boot, run the following command to check for the kernel version:

The kernel should be updated as you can see from the screenshot below.

That’s how you upgrade the kernel of Arch Linux. Thanks for reading this article.

About the author

Shahriar Shovon

Freelancer & Linux System Administrator. Also loves Web API development with Node.js and JavaScript. I was born in Bangladesh. I am currently studying Electronics and Communication Engineering at Khulna University of Engineering & Technology (KUET), one of the demanding public engineering universities of Bangladesh.

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