Why 32 bit ubuntu

I would install 64 bit if I were you primarily because it will be more reliable and have bugs fixed more often. It will also future-proof your machine, since you can then just update to the next OS version every now and then without having to worry about it.

It's wisest to just accept this limitation as reality, since it won't really change. I know of at least one 3rd party Linux kernel builder who stopped supporting 32 bit relatively recently because of a series of 32 bit kernel bugs that were known but were not getting fixed, nor did they appear likely to ever get fixed in the future.

And that's the Linux kernel project, which has thousands of contributors. It just goes downhill from there with other projects with far fewer developers. This becomes increasingly relevant as major projects like Google Chrome, Firefox, etc, start to drop, if they have not already dropped, 32 bit support, which means you'll be using insecure non-updateable software to access the internet.

Note that you can in theory sort of cross grade 32 bit to 64 bit at least on Debian, not sure about Ubuntu , I tested that on one machine to see, but it's such a pain, and takes so long, and leaves so much cruft, and requires so many manual fixes, that in the end, I decided that was not worth it, and just switched the rest of my systems to 64 bit by reinstalling.

Keep in mind you can copy your main configs, and then get a package list, and reinstall the packages when you reinstall to 64 bit, it doesn't take that long, and once it's done, no more need to worry about it.

Your other option is to just never upgrade your box again, and just let it run until it dies. On systems that don't interact with the internet that's not a terrible way to deal with the stuff, but you may hit a snag one day when you need to match versions of something like samba or nfs and you can't because your server box OS is too old.

It's probably worth reinstalling to a bit operating system. As Lizardx mentioned, there's less focus on bit x86 systems right now and people are fixing fewer bugs there. Additionally, it is a real possibility that it will be slightly faster, since x has 16 general-purpose registers and x has only 8. Position-independent code, which is used for security reasons in most binaries these days, is free on x with RIP-relative addressing but needs an additional register on x Having additional registers means that programs can keep more data on the CPU instead of having to go to memory, improving performance.

However, there will probably be a slight increase in memory usage, since pointers will be 64 bits instead of 32 bits. If you're really stressed for memory right now, that won't make it any better, but otherwise, it's probably fine.

In general, my recommendation is to do so. You'll get a better supported, slightly more performant environment. The gains to redeploying a 64 bit distro are going to be marginal at best. Sure you'll get some more memory support, but unless the current box is under memory pressure that probably won't be noticeable. Given the age of the hardware, you might be better off building a new 64 bit install on more-recent hardware not necessarily new , and migrate all functions off the old box over time.

Eventually the old box will be doing nothing and you can turn it off and store it or just its drives for a while against the possibility something was missed. Then you can either dispose or redeploy the box. If its 32 bit only, there's not a lot of use for it.

Same if its a power-hungry P4. Yes and no. If you are already using the bit version of Ubuntu A major difference between bit processors and bit processors is the number of calculations per second they can perform, which affects the speed at which they can complete tasks. Press and hold the Windows key and the Pause key.

Simply put, a bit processor is more capable than a bit processor because it can handle more data at once. A bit processor can store more computational values, including memory addresses, which means it can access over 4 billion times the physical memory of a bit processor. Xenial Xerus is the Ubuntu codename for version However, there are limited benefits to the bit processor, outside of a few more operating systems possibly being able to run on the Pi.

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