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 […]
Linux
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 […]
Stratis Storage Management
RHCSA 8 Study Guide In this blog we dive into Stratis storage management, brand new in RHEL 8. Red Hat Enterprise Linux is built on a foundation on solid reliability, and storage is just as importance as any other layer in Linux. Whilst new technologies may come and go in Linux, the current volume management […]
Using nftables in CentOS 8
RHCSA 8 Study Guide Using nftables in CentOS 8 is the lesson we look at today.The default backend firewall module used by the Linux kernel 4.18 in Red Hat Enterprise Linux 8 and CentOS 8 is nftables. Although this can be managed by firewalld experienced Linux administrators may prefer to use the native nft command. […]