Linux

RHCSA 8 Study Guide In this blog we dice into Linux Password ageing and disabling Linux logins. Useful both for your real life Linux administration and exam objectives for many certification including the Red Hat…

RHCSA 8 Study Guide For many years Linux administrators have relied on scheduling jobs using cron. The main system configuration file for the crond is /etc/crontab but we also have the extension directory, /etc/cron.d and…

Ansible, from Red Hat is a configuration management system that now makes up the RHCE for Red Hat Enterprise Linux 8. In this blog we look at configuring AWS instances using Ansible. At TheUrbanPenguin we…

RHCSA 8 Study Guide A new method of scheduling tasks that is part of the systemd eco-system are systemd timer units. These activate service units on specific intervals. The documentation for these timer units can…

Deploying Ansible Playbooks Although the use of ad-hoc commands is feasible, being able to store the desired state of our managed nodes is preferable. This gives us both documentation of the configuration and the ability…

Recovering Lost Root User Passwords It is that dreaded first day at work where you turn up as the brand new system administrator and nobody knows the root password to the server and they are…