To perform an upgrade of an existing system, choose the appropriate installation from the drop-down list and select Software you have installed manually on your existing Red Hat Enterprise Linux system may behave differently after an upgrade.You may need to manually reinstall or recompile this software after an upgrade to ensure it performs correctly on the updated system.

Most package upgrades do not change system configuration, but rather install an additional configuration file for you to examine later.

If your system contains a Red Hat Enterprise Linux installation, a dialog appears asking whether you want to upgrade that installation.

Updating glibc on Red Hat Linux or Cent OS Linux is a very simple process.

Download the relevant RPMs as directed in the errata page.

[[email protected] ~]# [[email protected] ~]# yum install gccg glibc Loaded plugins: rhnplugin, security Excluding Packages in global exclude list Finished Setting up Install Process No package gccg glibc available.

Nothing to do [[email protected] ~]# [[email protected] ~]# yum install gcc g glibc Loaded plugins: rhnplugin, security Excluding Packages in global exclude list Finished Setting up Install Process No package g available.Would this be the same to upgrade a 6.9 server to 7.3 or 7.4 or would I have to install the Operating System from CD as this is a project I have in the pipeline.As always thank you so much for your help, it is always very informative as you have helped me with one or two other issues.[[email protected] ~]# yum install glibc-devel-2.5 Loaded plugins: rhnplugin, security Excluding Packages in global exclude list Finished Setting up Install Process Resolving Dependencies --.4.x86_64 (rhel-x86_64-server-5) You could try using --skip-broken to work around the problem You could try running: package-cleanup --problems package-cleanup --dupes rpm -Va --nofiles --nodigest The program package-cleanup is found in the yum-utils package.[[email protected] ~]# [[email protected] ~]# yum install glibc-headers-2.5 Loaded plugins: rhnplugin, security Excluding Packages in global exclude list Finished Setting up Install Process Resolving Dependencies --.4.x86_64 (rhel-x86_64-server-5) You could try using --skip-broken to work around the problem You could try running: package-cleanup --problems package-cleanup --dupes rpm -Va --nofiles --nodigest The program package-cleanup is found in the yum-utils package.The following sections only apply to upgrading Red Hat Enterprise Linux between minor versions, for example, upgrading Red Hat Enterprise Linux 6.4 to Red Hat Enterprise Linux 6.5 or higher.