Ansible Variables can be used within Playbooks but also within the inventory. When we look at the Apache Web Server package in Ubuntu it is apache2, in Enterprise Linux variants, it is httpd. Adding Ansible Variables to the inventory helps document the differences and makes the design of Playbooks, play and tasks more simple. Even […]
Linux
Ansible RHCE the new System Administration 3
Ansible and the Red Hat Certified Engineer (RHCE) – The Ansible RHCE With the release of Red Hat Enterprise Linux 8 in May 2019 the company shifted the focus of their premier administration certification to automation with Ansible, we now have the Ansible RHCE. The new System Administration 3 course that follows on from the […]
Up and Running with Ansible Configuration Management
In this blog we want to give you a 30,000 feet overview of Ansible Configuration Management getting you up and running with and Ansible configuration file, inventory and Playbook. We will give little explanation at this stage as that will follow later. the goal if for you to gain some understanding of what Ansible can […]
POSIX ACLs in Linux
As a system administrator in Linux, it will not take you long to realize that permissions managed only using the file mode become very limiting. The mode of a file allows for a single user, one group and everyone else, that is it. Many Linux systems are single-user systems acting as a service appliance so […]
Setting Linux Permissions with chmod
The basics of security within the file system must begin with setting Linux Permissions at the command line using the tool chmod. In this article we show the use of the tool but very often, you will want to list the permissions directory after. We will show you how setting permissions at the cli will […]
Free and Open Source Software
Linux is, of course, both free and open source software, but what do we mean by these terms and why is it important to understand the difference. Firstly, we should be aiming to use and promote Free Software. All Free Software is Open Source Software. But just because software is Open Source it does not […]