UbuntuHow to Implement eBPF Security Policies for Containers on Ubuntu
The Rise of eBPF in Container Security As containerization becomes the standard for deploying applications,...
UbuntuHow to Implement AppArmor Profiles for Nginx on Ubuntu
The Need for Mandatory Access Control In traditional Linux security, access control is governed by...
UbuntuHow to Install and Configure ZFS on Ubuntu for Storage Pool Management and Snapshots
ZFS (Zettabyte File System) is widely regarded as one of the most advanced file systems...
UbuntuHow to Configure High Availability with Keepalived and HAProxy on Ubuntu
The Need for High Availability In modern web infrastructure, a single server is a single...
UbuntuHow to Configure Swap Space on Ubuntu Linux to Improve System Performance
Introduction Swap space is a crucial component of Linux memory management. When a system’s physical...
UbuntuHow to Configure Fail2Ban to Protect SSH Servers on Ubuntu
Introduction Any Linux server connected to the internet with SSH port 22 exposed will inevitably...
UbuntuHow to Configure a Basic Firewall using UFW on Ubuntu Server
Introduction Securing a Linux server starts with restricting incoming network traffic. While `iptables` is the...
UbuntuHow to Secure the GRUB Bootloader with a Password in Ubuntu Linux
Why Secure the GRUB Bootloader? Physical security is just as important as network security. If...
UbuntuHow to Configure a Centralized Syslog Server in Ubuntu Using rsyslog
The Importance of Centralized Logging If you manage dozens of Linux servers, logging into each...
UbuntuHow to Configure Network Teaming (Bonding) in Ubuntu Server
High Availability at the Physical Layer If your enterprise database server relies on a single...
UbuntuHow to Setup an OpenVPN Access Server on Ubuntu
The Power of OpenVPN Access Server Configuring a traditional, open-source OpenVPN daemon via the command...
UbuntuHow to Setup an SFTP Server on Ubuntu Using OpenSSH
SFTP vs. Traditional FTP Traditional File Transfer Protocol (FTP) sends data—including usernames and passwords—in completely...
UbuntuHow to Setup a Local APT Package Repository on Ubuntu
Why Build a Local APT Repository? If your enterprise runs 200 Ubuntu servers, downloading the...
UbuntuHow to Install and Configure the Glances System Monitor on Ubuntu
Why Glances is Better Than Top or Htop Every Linux administrator is familiar with top...
UbuntuHow to Install and Configure the Memcached Object Caching System on Ubuntu
What is Memcached? When a user visits a dynamic website (like WordPress or an e-commerce...
UbuntuHow to Install and Configure the Keepalived Daemon for High Availability on Ubuntu
What is Keepalived? In a high-availability (HA) cluster, if your primary load balancer or web...
UbuntuHow to Install and Configure the Cockpit Web Console on Ubuntu
What is Cockpit? Managing Linux servers exclusively through the command-line interface (CLI) can be intimidating...