This guide lists essential considerations to harden (enhance) a Linux server: reducing the attack surface, […]
Setting Up the Linux Firewall IPFire
IPFire is a hardened open-source Linux firewall and router distribution for physical or virtual networks. […]
Most Common Linux File Systems – EXT vs XFS vs ZFS vs Btrfs
In most file systems, the first block is used for the Boot Sector and the […]
Managing System Containers – Cheat Sheet
Linux Containers (LXC) are typically managed by LXD or Incus as if they were Virtual […]
High Performance Encrypted Proxy with ShadowSocks
ShadowSocks is an open-source server-client solution created to circumvent state censorship by mimicking a normal […]
Network Bridge, Link Aggregation, and VLAN in Linux
On-prem servers must deal with challenges that cloud providers handle behind the scenes. Network Bridge […]
File Permissions and Proprieties in Linux
File (and directory) permissions in Linux and Unix-based systems define what the owner, the group, […]
Sandboxing Applications with AppArmor, Firejail and More
Sandboxing is a technique for confining an application to specific resources, protecting the operating system […]
Setting Up a FreedomBox on a VM or RPi
FreedomBox is a Debian-based self-hosting server that allows quick deployment of many applications and services […]
LVM Cheat Sheet
Logical Volume Management (LVM) is a method of allocating space on mass-storage devices. It can […]