How to quickly check if your kernel configuration is secure. Upload your .config file and see what needs fixing.
What’s New in Linux Kernel 6.19?
An overview of the most important changes in Linux kernel 6.19 — Live Update, the new listns() syscall, Btrfs and ext4 improvements, HDR, io_uring, and Rust in the kernel.
Btrfs on Linux — Snapshots, RAID and Compression
What is Btrfs and how does it compare to ext4 and ZFS? Subvolumes, snapshots, compression, RAID, and practical configuration examples.
OpenZFS on Linux — Setup, Pools and Snapshots
What is OpenZFS and why should you use it? Pools, datasets, snapshots, compression, RAID-Z, and practical configuration examples on Linux.
btop — Linux Resource Monitor Better Than htop
btop is a modern resource monitor with a beautiful TUI interface. Installation, configuration, comparison with htop, and practical tips.
Volatility 3 — Linux Memory Dump Analysis Guide
Volatility 3 — the rewritten RAM analysis framework. No more profiles, new linux.* plugin syntax, installation, and a practical incident analysis example.
Volatility — Linux RAM Forensics and Analysis
Introduction to Volatility — a framework for analyzing RAM dumps. Profiles, plugins, and a practical example of analyzing a compromised Linux server.
Wazuh SIEM on Linux — Security Monitoring Guide
What is Wazuh and how to use it for Linux server security monitoring. FIM, vulnerability detection, log analysis, Active Response, and Suricata integration.
Suricata IDS/IPS — Network Threat Detection on Linux
What is Suricata and how it works as a next-generation IDS/IPS engine. Installation, rule configuration, and operating modes — passive (IDS) and inline (IPS).
LKRG — Linux Kernel Runtime Protection
How LKRG (Linux Kernel Runtime Guard) works — a kernel module protecting against rootkits and privilege escalation exploits. Installation and comparison with Grsecurity.