Guide articles

Understanding memory information on Linux systems

forensics
guide
memory
proc
processes
procfs
ram
swap
system administration

Last change: 2025-01-06

Linux memory management is an extensive subject. This guide helps you understanding the how to analyze it and obtain available memory information.

Commands:

cat
dmesg
dmidecode
free
hwinfo
ps
vmstat

Linux security guide: the extended version

bpf
cgroups
dnf
guide
hardening
linux security
lynis
namespaces
nmap
openvas
system hardening

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.

Using Open Source Auditing Tools as alternative to CIS Benchmarks

auditing
guide
hardening
openscap
scap

Last change: 2025-01-06

Hardening guides, and the CIS benchmarks in particular, are a great resource to harden your system. But there are alternatives.

Are security hardening guides still useful?

guide
hardening
software

Last change: 2025-01-06

With Linux being decently hardened by default, would it make sense to invest in reading hardening guides? The short answer: yes!