[Bug 2038963] Re: Cant upgrade from 18.04 LTS to higher version

[Seth Arnold]

Hello Lance,

There's two main types of PCs: 32-bit x86 processors and 64-bit x86-64
(aka AMD64). The 32-bit processors have significant memory restrictions
and it has proven very challenging to provide Ubuntu for them. Our newer
releases do not support 32-bit x86.

Whether or not you can run a newer version of Ubuntu on your computer
depends upon what exactly you have. If you have a 64-bit capable
processor and only installed the 32-bit version of Ubuntu by accident,
you can do a fresh installation of Ubuntu. Be sure to make backups of
your data before starting.

If you have a 32-bit-only processor, you cannot upgrade beyond 18.04
LTS. While we offer security updates for 18.04 LTS via Ubuntu Pro, we do
not support 32-bit processors in this service.

You can find what your processor supports via the lscpu(1) program:

$ lscpu | grep op-mode
CPU op-mode(s):                     32-bit, 64-bit

If it only reports 32-bit, then your computer will not run newer
releases of Ubuntu. If it reports both 32-bit and 64-bit, then you can
reinstall with a newer version.

Thanks

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https://bugs.launchpad.net/bugs/2038963

Title:
  Cant upgrade from 18.04 LTS to higher version

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  I followed this link: https://blog.eldernode.com/upgrade-ubuntu-18-04-to-22-04/.
  but when I get to: sudo do-release-upgrade
  Checking for a new Ubuntu release
  There will not be any further Ubuntu releases
  for this system's 'i386' architecture. Updates for
  Ubuntu 18.04 LTS will continue until April 2023.

  How do I upgrade to a higher version of Ubuntu?

  I am very new to Linux.  so please give me step by step directions

  thank you

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