Working with Katello – part 1. We’ll use Katello to create a product that contains RPM repositories, we’ll also create a content view as well as promote the content view to a lifecycle environment. Continue reading
Configure Postfix to Relay Mail to an External SMTP Server on CentOS 7
The benefit of having two Postfix servers relaying email to an external SMTP server is redundancy. Continue reading
Configure Peered NTP Servers on CentOS 7
Configure NTP peering on CentOS 7. Continue reading
Configure DHCP Failover with Dynamic DNS on CentOS 7
We are going to set up a DHCP failover with dynamic DNS. Continue reading
Configure Bind DNS Servers with Failover and Dynamic Updates on CentOS 7
We are going to set up a DNS failover using Master/Slave configuration and configure dynamic updates. Continue reading
Homelab Project with KVM, Katello and Puppet
Setting up a highly available homelab with KVM, Katello and Puppet. Continue reading
Basic Python Script to Log in to Website Using Selenium Webdriver
Using Selenium for automated website testing. Continue reading
Analyse Cisco ASA Firewall Logs with Graylog
We are going to use Graylog’s Grok patterns to extract information from Cisco ASA logs. Continue reading
Compile Apache Tomcat mod_jk on CentOS
Installing mod_jk on Apache. Continue reading
Monitoring Tomcat with Nagios Core and jmx4perl
This articles serves as a reference for Nagios plugin check_jmx4perl and does not aim to provide any installation nor configuration instructions. Continue reading