Puppet agents force dozens of errors: “Could not set ‘file’ on ensure: incorrect header check”
Recently I had the problem that my homelab’s Linux machines managed by Puppet were generating dozens of error messages when updating the catalog:
Posts Tagged ‘Katello’
System management with Foreman/Katello – Part 2: Products, Repositories and Content Views
The last post of this series introduced the software projects Foreman and Katello. If you followed the instructions, you were able to login to a fresh Foreman installation. In this part, the new installation is filled with live: first … Read more
Forcefully stop hanging Foreman tasks
After a system crash I recently had the problem that Foreman had several orphaned tasks that could not be stopped from the web interface: Because I planned a Foreman upgrade this was pretty bad as … Read more
Short tip: my Foreman/Katello blog post series
I’m currently working on a blog post series about Foreman, Katello and Red Hat Satellite 6. Here’s the link collection for beginners: “Introduction and installation” (also published on Pro-Linux ) “Products, Repositories and Content Views” (also published … Read more
System management with Foreman/Katello – Part 1: Introduction and installation
The last couple of years I spent a lot of time in managing Linux systems with Spacewalk and Red Hat Satellite 5. Because the application was superseded by the vendor, I investigated on migrations to the successor. … Read more
Report VMware vSphere RHEL guests to RHSM using Red Hat Satellite 6.2
If you’re utilizing Red Hat Satellite 6 for managing virtual Red Hat Enterprise Linux instances, you will need to leverage Red Hat Subscription Management (RHSM) for maintaining licenses. In comparison with the former Red Hat Network Classic licensing, signed manifest certificates are … Read more
Monitoring Foreman, Katello and Red Hat Satellite 6
Foreman, Katello and Red Hat Satellite 6 users have multiple possibilities to monitor infrastructure health. Beside the Foreman host, also managed systems and defined software content are worth monitoring. Foreman dashboard Foreman/Katello and Red Hat Satellite offer a … Read more
Manage VMware Photon OS containers with Foreman and Red Hat Satellite 6
Photon OS is minimalistic RPM-based Linux distribution which is focussed on running Docker containers. It was optimized for VMware platforms (Workstation, Fusion, vSphere, vCloud Air) – e.g. its Linux kernel offers a caching mechanism optimized for vSphere. Another … Read more
Short tip: remove Katello completely
If you’re testing the nightly builds of Katello, you might come into a situation where it is advisable to re-install the software completely. As the particular installation steps are automated using Puppet, there is also … Read more
Short tip: Updating Pulp database after upgrading Katello
After upgrading Katello recently, I stumbled upon the following error when accessing the administration interface: The web server protocol told me that a database update might causes this issue: # tail /var/log/httpd/foreman-ssl_error_ssl.log [Wed Aug 17 … Read more