Automatic upgrade from centos 7.9.2009 to almalinux or rocky linux

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Hi,

I’ve tested various solutions for upgrading from CentOS 7.9.2009 to either AlmaLinux or Rocky Linux, but most approaches seem to work only for basic setups. In more complex environments, such as those involving a LAMP stack or other development setups, the automatic upgrade consistently fails.

Is there a reliable tool or method that can handle the migration automatically for such setups?

What I have tried:

I tried auto-upgrade utilities and commands suggested by AlmaLinux and Rocky Linux.

Posted 29-Aug-24 7:36am

Primeo Group

Updated 29-Aug-24 10:32am

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k5054 · Answer 1 · 2024-08-30T04:03:00

I suggest you try a basic install of either (or both) of the distros and make sure that the packages you require are available. This is particularly true if you expect to do development on any post 7.9 RedHat based release. I do not know why, but a vast number of the -devel packages are unavailable. For example, we use ecpg (Postgres PRO*C equivalent). Previously, ecpg was part of the postgresql-devel package, but it has been split off to libecpg and libecpg-devel. The -devel package is available in Fedora, but not in Rocky, Alma or CentOS8/9. As a comparison, the base CentOS 7.9 has about 2000 -devel packages, while Alma lists less that 600.