Cgroups articles

Last change: 2025-01-06

Learn how to harden systemd units by marking some paths within the file system as read-only with the ProtectControlGroups unit setting.

Hardening nginx with systemd security features

Last change: 2025-01-07

Secure your nginx service by using security features provided by systemd. We have a look at the available options that systemd units can offer.

Commands:

How to see the cgroup of a process

Last change: 2025-01-06

Control groups allocate resources to a set of processes. Learn how to find the control group (cgroup) of a process by using /proc, pidof, or ps.

Commands:

cat
pidof
ps

How to see cgroup in ps output

Last change: 2025-01-06

Want to see the control group in the output of the ps command? Here is how to tune your command options to include that.

Commands:

Systemd units and their purpose

Last change: 2025-01-06

Which systemd unit types are available and what is their goal? In this article we cover them and show some useful commands related to these units.

Commands:

systemctl

Linux security guide: the extended version

Last change: 2025-01-06

Feeling overwhelmed with the options available to secure your Linux system? With this guide, we walk step-by-step through the option, tools, and resources.

Docker Security: How Containers (Not) Help You

Last change: 2025-01-06

There is a great misconception about using container and virtualization technology. We have a look at the Docker security features and how it can help you.