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Asked: 2024-09-26T01:44:51+05:30 In:

What steps are necessary to upgrade glibc to version 2.29 or later on Ubuntu 18.04?

I’ve found myself in a bit of a jam with my Ubuntu 18.04 setup and I’m hoping you all can help me out. So, I’m trying to upgrade glibc to version 2.29 or later, but honestly, I’m kind of at a loss about where to start. I’ve done some digging online, but the instructions seem a bit all over the place.

At first, I thought about just using the regular APT package management tools, but it seems like glibc is one of those core libraries that’s tightly integrated into the system. I’m worried that simply forcing an upgrade could break something crucial. I mean, I love my system too much to go messing around with underlying libraries without a solid plan!

I’ve come across a few resources suggesting that I should look into compiling from source, but that sounds like a whole project in itself. I’m no stranger to compiling software, but with something as vital as glibc, I’m a little hesitant to just dive in without a clear roadmap.

I also read that there might be PPA (Personal Package Archive) options out there. Has anyone had any luck with those? I don’t want to install something that could compromise my system’s stability. Is there any risk involved in adding a PPA for something like glibc?

And while we’re at it, what are some precautions I should take before going ahead with any upgrade? Should I back things up? Is there a way to revert if things go south?

I’m just trying to ensure that I have a reliable system while getting some of the newer software features that require the newer version of glibc. If anyone has gone through this process or has any advice, I’d love to hear about your experiences. Your input would really help me feel more confident about taking the plunge! Thanks in advance for any tips or guidance!

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    2 Answers



    1. Upgrading glibc on Ubuntu 18.04

      Upgrading glibc can definitely feel daunting, especially since it’s such a crucial part of the system. You’re right to be cautious! Here’s a playful roadmap you could follow, just so you don’t end up in a messy situation:

      1. Avoid APT for glibc:

      You’re exactly right—trying to upgrade glibc with APT might break things. A lot of things. Stick to the standard version provided by your distro if possible!

      2. Compiling from Source:

      Compiling from source can be quite the journey! If you decide to go down this path, make sure you have all dependencies in place. You’d need to:
      – Download the glibc source from the GNU site.
      – Follow the README and INSTALL files closely; they sometimes have golden nuggets of wisdom.
      But heads up—it’s risky for someone less experienced! It could potentially break your system.

      3. PPA Option:

      As for PPAs, they can be a mixed bag. Some users have had success, while others have encountered glitches. If you find a PPA claiming to offer glibc, check the reviews and comments to see how others fared. Risky business!

      4. Precautions Before Upgrading:

      • Back up your system: Seriously, make sure you have a backup—use tools like rsync or just a good old-fashioned disk image.
      • Test environment: If possible, try it on a virtual machine first. This way, you can experiment without jeopardizing your main setup!
      • Check for Rollback Options: Look into how to revert changes or boot from recovery mode if things don’t go as planned.

      In the end, it’s all about weighing the risks vs. rewards. If you’re feeling uneasy, maybe hold off on upgrading until you really need those new features or find a solid guide. Good luck on your adventure!



    2. Upgrading glibc on Ubuntu 18.04 can indeed be a daunting task, given that it’s a critical part of the system. It’s wise to be cautious since glibc is linked to many core functionalities, and any incorrect upgrade could lead to system instability. The safest path is generally to stick with the version provided by the Ubuntu repositories unless absolutely necessary. If you opt for the APT package management tool, note that Ubuntu 18.04 is designed to work with specific library versions, and upgrading glibc directly through APT might not be permitted. If you are determined to upgrade beyond the repository version, compiling from source may be your only option. However, take care to be aware of dependencies and ensure compatibility with existing software on your system.

      Before you proceed, it’s highly recommended to back up your entire system or at least your important data. You can use tools like Timeshift or create a system image to revert back if things go south. Adding a PPA can introduce risks as well; although PPAs often have newer versions of software, they’re not officially supported and could affect the stability of your system—especially for critical libraries like glibc. If you decide to explore this route, scrutinize the PPA’s credibility and review user feedback. Additionally, test any changes in a virtual machine or separate environment first to minimize risks. Ultimately, if certain software requires a newer glibc, consider using Docker or similar container technologies to run those applications without modifying your primary OS setup.


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