Author Archives: Tomas

High Availability Pacemaker Cluster Logging

Posted on 22/01/2019 by Tomas

We’re going to configure cluster logging on RHEL 7. Continue reading →

The Start of the RHCA Journey

Posted on 20/01/2019 by Tomas

I’m starting my Red Hat Certified Architect (RHCA) journey! Continue reading →

Libvirt Fencing on a Physical KVM Host

Posted on 24/12/2018 by Tomas

The Red Hat High Availability Add-On ships with a number of different fencing agents for different hypervisors. Continue reading →

5th Website Anniversary

Posted on 01/12/2018 by Tomas

Time flies when you’re having fun. Continue reading →

MySQL Replication and MEMORY Tables

Posted on 30/10/2018 by Tomas

Memory tables do not play well with replication. Continue reading →

Katello: Security Compliance Management with OpenSCAP

Posted on 28/07/2018 by Tomas

Working with Katello – part 6. We will configure OpenSCAP plugin to receive automated vulnerability assessment and security compliance audits from Foreman hosts. Continue reading →

Configure HAProxy and Keepalived with Puppet

Posted on 03/05/2018 by Tomas

We’re going to use Puppet to install and configure HAProxy to load balance Apache web services. We’ll also configure Keepalived to provide failover capabilities. Continue reading →

Configure Apache Server and Deploy WordPress with Puppet

Posted on 02/05/2018 by Tomas

We’re going to use Puppet to install Apache and WordPress. Continue reading →

Configure Active/Passive NFS Server on a Pacemaker Cluster with Puppet

Posted on 29/04/2018 by Tomas

We’re going to use Puppet to install Pacemaker/Corosync and configure an NFS cluster. Continue reading →

Configure MySQL Replication with Puppet

Posted on 27/04/2018 by Tomas

We’re going to use Puppet to install MySQL and configure Master/Master replication. Continue reading →