Passing Ansible Variables from the Command Line into Playbooks will add power and flexibility to your plays Passing Ansible Variables from the Command Line is important to Ansible as any other language Working with Ansible it is easy to start with a module such as the user module to show some of its power. Being […]
Linux
Understand Your Network More Effectively with TCPDump
In this blog we will help you learn to understand your network more effectively with TCPDump and analyzing ping and traceroute, the basic connectivity checking tools. Key to running an effective network is being able to understand your network more effectively with TCPDump. TCPDump is a command line tool in Linux which may seem scary […]
Installing MariaDB Using Ansible
In this blog we take the time to look at the full story of Ansible by installing MariaDB using Ansible. First we install Ansible on CentOS 8, we need to add the EPEL repository to do this: $ sudo yum install -y epel-release $ sudo yum install -y ansible Within our home directory we can […]
Installing Ansible on the Raspberry Pi
In this blog we look at the steps that you need to take in Installing Ansible on the Raspberry Pi. The RPi will be running the Debian based Raspbian distribution. So you have a Raspberry Pi — what are you going to do with it! Installing Ansible on the Raspberry Pi is simple where we […]
Why nftables
You may be thinking, “Why nftables”. In this blog we hope to go some way in answering that question. If nothing else you how to build a very simple firewall with iptables, ip6tables and then nftables. To persist firewall rules created with nftables take a look at this blog. New to Red Hat Enterprise Linux […]
VDO Data Optimizer
RHCSA 8 Study Guide The VDO Data Optimizer was one of those features that was first shown in RHEL 7.5 as was the Web Interface Cockpit. This does mean that you can test VDO for free using CentOS 7.5 or higher including CentOS 8. The VDO Data Optimizer is a kernel driver that ships with […]