Introduction Red Hat Satellite consists of a number of running services. Restarting each service manually can be painful. Luckily you can use the commands below to easily restart all services. List Services Run the command below to view a list of all Satellite services that are started at boot. # katello-service list Redirecting to 'foreman-maintain … Continue reading Red Hat Satellite 6.x: Restarting Services
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RHEL7: Install RHV Guest Agent and Drivers
About the Guest Agent The RHEL 7.x virtual machine guest agent in RHV 4.x provides drivers, additional data, and functionality once installed on a RHEL virtual machine. The guest agent includes: virtio-net paravirtualized network driver virtio-scsi paravirtualized HDD driver virtio-balloon driver which improves memory overcommit (currently not used by RHV) rhevm-guest-agent common which allows RHV … Continue reading RHEL7: Install RHV Guest Agent and Drivers
Red Hat Satellite: Create and Publish Content Views for RHEL + OpenStack
Overview In this post I will review the process of creating Content Views (CV), Composite Content Views (CCV), publishing each view, and creating lifecycles. Note that in this post we are working with Red Hat Satellite 6.4, in which there was a major overhaul of the WebUI. You may have noticed that all menus are now … Continue reading Red Hat Satellite: Create and Publish Content Views for RHEL + OpenStack
Configure RHEL7/Centos 7 as a Virtualization Host
This is a fresh install of RHEL 7.5 First install the packages as shown below. yum install qemu-kvm libvirt Now install the additional recommened virtualization packages # yum install virt-install libvirt-python virt-manager virt-install libvirt-client Now restart libvirtd # systemctl restart libvirtd Now you should be able to launch virt-manager from your remote machine and … Continue reading Configure RHEL7/Centos 7 as a Virtualization Host
OpenStack: Introduction to Troubleshooting Heat
Introduction to Heat Heat is the main orchestration engine for OpenStack, and is used my OpenStack director to install an OpenStack Overcloud environment. When we run the "openstack deploy overcloud" command, we are specificallytelling RHEL OSP director that we want it to use the pre-defined Heat templates from/usr/share/openstack-tripleo-heat-templates/. OSP director will manage thedeployment of a … Continue reading OpenStack: Introduction to Troubleshooting Heat
Ceph: Troubleshooting Failed OSD Creation
How to troubleshoot a failed OSD creation in Ceph
Packstack Installer Failure: “Error: Could not start Service[rabbitmq-server]: Execution of ‘/usr/bin/systemctl start rabbitmq-server’ returned 1”
Sitting in my hotel room today, I kept running into this error while trying to install OpenStack on a RHEL 7.1 VM running on my laptop. Digging through logs was not helping me one bit, and neither was trying to run "puppet apply" on the failing puppet manifests to see if I could get more info with which to troubleshoot.
Below is the specific error that I was running into. Note that my RHEL VM's IP address is 192.168.122.75. This IP address is pre-pended to the puppet module names. Your output, will obviously, vary. Note that this output is truncated.