How to fix 404 errors when updating OP5 Monitor using yum (changes in ITRS OP5 Monitor repositories)

In September of 2019, changes were made to the ITRS OP5 monitor repositories. We do not provide the CentOS base and updates repositories any longer, and we have done some cleaning up removing old and obsolete repositories.

Customers with an installation of Monitor that have gradually updated it to later releases over a longer period of time will most likely run in to "404 errors" where yum can not find repositories when trying to update. You may see errors like:

http://repos.op5.com/el6/x86_64/centos/6/base/repodata/repomd.xml: [Errno 14] PYCURL ERROR 22 - "The requested URL returned error: 404 Not Found"

 The following needs to be done to ensure your repositories are up to date:

1. Move all of these obsolete repository files out of the "/etc/yum.repos.d/" directory:
   • op5-system-release.repo
   • op5-system-release-source.repo
   • op5-system-release-debuginfo.repo
   • op5-release-public_beta.repo
   • op5-release-public_beta-source.repo
   • op5-release-public_beta-debuginfo.repo
2. Ensure enabled=1 is set in the base and updates repos in the /etc/yum.repos.d/CentOS-Base.repo repo-file. This will make yum retrieve CentOS updates from official CentOS mirrors.
3. Ensure enabled=1 is set in the op5-monitor-updates and op5-epel repos within the /etc/yum.repos.d/op5-release.repo repo-file.
4. Issue the following command to clear your cache:

   yum clean all

Now it should be possible to update your Monitor installation and your CentOS installation using:

yum update

If you are unsure about these instructions, please do not hesitate to contact support.