Updating centos

22 Apr

The best way to achieve this is to find a repository which has a Cent OS 6.5-specific repository, and alter your configs in /etc/yum.repos.d/* to specifically use this repo (essentially hard-coding the values for the base arch and release version).

It is worth noting, however, that point releases which are not current are not officially supported (old major releases are, to an extent, but point releases are not). Between yourself and @Brian I think I'll be doing this.

It allows you to keep your entire system up and running without interrupting services.

Is there a manner in which we can yum update and pull the latest packages but not end up updating Cent OS itself?

The FAQ entry for What is the versioning/release scheme of Cent OS and how does it compare to the upstream vendor?

update If run without any packages, update will update every currently installed package.

Here's a side-by-side run of the same kernel update. Notice how the left VM never goes into the BIOS or POST checks. I'm a Support Manager at Nucleus Hosting in Belgium, a general web geek, public speaker and podcaster. But you have to shutdown all running processes and services, unmount file systems, will lose network connectivity…

If you're going to be automating these updates, have a look at some existing scripts to help you going: kexec-reboot, Arch Wiki on kexec. The real live patching capability of the kernel is a different thing.

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In this short video, we demonstrate how to change the screen resolution in Cent OS and Red Hat Hyper-V Virtual Machines using the grubby tool.

The instructions are valid for both version 6 and version 7 of the OS.