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Asked: 2024-09-27T14:12:36+05:30 In:

How can I upgrade my Ubuntu 22.04 system to the 5.15.0-122 kernel version?

I recently decided to get into some more advanced Linux stuff, and I’ve been having a blast playing around with Ubuntu 22.04. But here’s the thing: I’ve heard that upgrading to the 5.15.0-122 kernel version can really improve performance and compatibility with some of my hardware. I know it’s crucial for things like gaming or using specific software, but honestly, I’ve got no idea how to go about upgrading the kernel.

So, I tried looking up some tutorials online, but most of them either seem outdated or are super convoluted. I guess I’m just a little nervous about doing it wrong and messing up my system. I mean, I’ve done some software updates, but changing the kernel sounds like a whole different ball game.

I did manage to run a few commands in the terminal, but as soon as I saw a bunch of technical jargon, I started second-guessing myself. My goal is to get it done safely, without bricking my setup in the process.

If anyone could break it down for me, step by step, that would be awesome! Like, what are the exact commands I need to run? Should I back up any files or have a recovery plan in place just in case things go south?

Also, is there anything specific I should be aware of about this kernel version? I heard it might have some tweaks for better security or stability—are they significant enough to make the upgrade worth it?

I’m also curious—what if I decide I dislike the new kernel after trying it out? Is there a straightforward way to roll back to the previous version without too much hassle?

I really appreciate any help or tips you can provide. I just want to make sure I can upgrade smoothly and reap the benefits without running into a ton of issues! Thanks in advance to anyone who’s willing to share their knowledge!

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    2 Answers

    1. Upgrading the kernel on Ubuntu can enhance your system’s performance and compatibility. To move to the 5.15.0-122 kernel version, it’s vital first to back up your important data. This could be through a simple file backup to an external drive or using a tool like Timeshift to create a system snapshot. Once that’s done, you can upgrade the kernel by opening your terminal and running the following commands:

      sudo apt update
sudo apt install linux-image-5.15.0-122-generic

      Once installed, you can reboot your system, and it should boot into the new kernel. In case you want to revert to the old kernel, you can do so by rebooting, selecting ‘Advanced options for Ubuntu’ from the GRUB menu, and choosing your previous kernel version. Note that the new kernel version does come with updates for security and stability, making it beneficial for most users, especially for gaming and specific applications. If you encounter any issues or instability, the rollback process is straightforward, allowing you to revert without hassle.

    2. Upgrading to Kernel 5.15.0-122 on Ubuntu 22.04

      Getting into Linux can be super fun, and upgrading your kernel can definitely boost your system’s performance! Here’s a simple step-by-step guide to help you upgrade safely:

      1. **Backup Your Important Data**

      Before you do anything, it’s smart to back up your important files. You can use tools like rsync or just copy your files to an external drive. Better safe than sorry!

      2. **Open the Terminal**

      Press Ctrl + Alt + T to open your terminal. This is where all the magic will happen!

      3. **Check Your Current Kernel Version**

      Type this command to see what kernel you’re currently running:

      uname -r

      4. **Update Your Package List**

      Keep everything up to date before the kernel upgrade:

      sudo apt update

      5. **Install the New Kernel**

      Now, let’s get that new kernel! Run the following command:

      sudo apt install linux-image-5.15.0-122-generic

      This command will fetch and install the new kernel for you.

      6. **Reboot Your System**

      Once it’s done, restart your machine:

      sudo reboot

      7. **Post-Upgrade Check**

      After rebooting, check if you’re running the new kernel:

      uname -r

      If you see 5.15.0-122 there, you’re golden!

      Rollback Plan

      If for some reason you dislike the new kernel, don’t worry! You can easily get back to the old one:

      1. Reboot your system.
      2. When the GRUB menu appears (you might need to hold Shift during boot), select Advanced options for Ubuntu.
      3. Choose the previous kernel version from the list to boot into it.

      Things to Keep in Mind

      The 5.15.0-122 kernel indeed includes some tweaks for better performance, stability, and security. These are generally worth it, especially for gaming or hardware compatibility.

      Take your time, and don’t hesitate to ask for help if you’re unsure at any point. Enjoy your Linux journey!

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