Manuals We will use the Red Hat Enterprise Linux operating system (RHEL), version 8.3, for our servers. We will use Debian 12.5 (a.k.a. Bookworm) for w01.

The Security Enhanced Linux framework is a valuable tool for securing servers. It's primary function, as deployed by RedHat/CentOS is to limit the access of server processes, like httpd, …

Relax and take a deep breath, it's time to dive back into Linux. This lab will require you to call upon the Linux administration skills you already know and to build a few new ones.

Introduction Installing new software and keeping installed software current is one of an administrator's core duties, today we get to practice these skills.

Students can perform Microsoft and Linux administration, maintenance and operating system deployment. Students will be competent in a multi-vendor operating system environment and …

label linux menu label Install system menu default kernel images/RHEL-8.3/vmlinuz append initrd=images/RHEL-8.3/initrd.img ip=dhcp inst.repo=http://10.1.1.100/83 …

This lab will not make you and SELinux expert. It should give you the skills to turn SELinux on without breaking into a cold sweat. It is recommended that you review the Security-Enhanced …

Linux VM: 2 GB RAM 1 VCPU (2 recommended) 18 GB Virtual disk (average 3 GB physical disk used per VM) 2 NIC NAT required for installation of packages and container images Host-only …

Part C: Getting s02 To Talk To w01 As you may have concluded if we want s02 to communicate with w01 we'll need a router in between the two. We could add a dedicated router VM, but …

Part B: cgroups The control group Linux kernel mechanism allows system resources to be allocated across groups of processes. Today we will use systemd and cgroups to guard …