Disable Suspend Mode on Laptop Lid Close with Ansible and Systemd

Posted on 12/12/2020 by Lisenet

I have a CentOS 7 laptop where every time I close the lid, the system suspends. Continue reading →

Deploy Keycloak Using Docker Swarm

Posted on 24/08/2020 by Lisenet

We are going to deploy Keycloak using Docker Swarm. Continue reading →

Change the Default Docker Subnet with SystemD

Posted on 07/07/2020 by Lisenet

Docker uses the default 172.17.0.0/16 subnet for container networking. Continue reading →

High Availability Pacemaker Cluster Monitoring

Posted on 26/01/2019 by Lisenet

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

High Availability Pacemaker Cluster Logging

Posted on 22/01/2019 by Lisenet

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

Libvirt Fencing on a Physical KVM Host

Posted on 24/12/2018 by Lisenet

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

Katello: Security Compliance Management with OpenSCAP

Posted on 28/07/2018 by Lisenet

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 Lisenet

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 Lisenet

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 Lisenet

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