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
Nagios Core Upgrade on CentOS 7
We are going to upgrade Nagios Core from 4.1.1 to 4.3.4. Continue reading
CentOS 7 Server Hardening Guide
This guide is based on a minimal CentOS 7 install following the idea that you only install software that you require. Continue reading
Nagiosgraph with Nagios Core: Graph Icons not Visible
We have Nagios Core 4.x with Nagiosgraph 1.5.2 installed. Continue reading
Setting up a NetApp NFSv4 Share for Linux Guests
Trying to set up a NetApp Data ONTAP NFSv4 share. Continue reading