linux Archives - Page 12 of 20

Networking tutorial - IT technology blog

Build a Secure Enterprise WiFi with WPA3 and 802.1X on Linux: A hostapd and VLAN Guide

April 20, 2026

Ditch shared WiFi passwords for good. This guide walks you through setting up WPA3-Enterprise and 802.1X on Linux using hostapd and FreeRADIUS for secure, individual user logins and VLAN isolation.

Linux

Automating Security Patches: A Guide to Unattended-Upgrades on Debian and Ubuntu

April 20, 2026

Tired of manual updates? Learn to automate security patches on Debian and Ubuntu. This guide covers installation, smart reboots, and production-ready configurations.

Linux

Mastering Linux Dotfiles with GNU Stow: A Professional Guide to Configuration Sync

April 19, 2026

Tired of manual configuration sync? This guide shows you how to use GNU Stow to manage Linux dotfiles professionally using modular packages and symlinks.

Networking

Configuring GRE and VXLAN Tunnels on Linux: Building Reliable Overlay Networks

April 19, 2026

Tunnels are the backbone of modern cloud networks. Learn to configure GRE for L3 routing and VXLAN for L2 overlays on Linux with production-ready MTU settings and troubleshooting tips.

Linux

Mastering the Linux Command Line: A Professional Guide to Zsh and Oh My Zsh

April 19, 2026

Tired of the plain Bash terminal? Learn how to transform your Linux CLI using Zsh and Oh My Zsh to improve autocompletion, visual feedback, and overall workflow efficiency.

Security

Hardening Linux with Firejail: A 6-Month Review of App Sandboxing

April 19, 2026

Standard Linux permissions are an all-or-nothing game. After 6 months of testing, I've found Firejail to be the most effective way to sandbox apps and protect sensitive data without the headache of SELinux.

Security

GPG for Linux: A Practical Guide to Encrypting Files and Signing Data

April 17, 2026

Master GnuPG on Linux. This guide walks you through asymmetric encryption, signing files, and the pro-level key management habits that prevent data loss.

Linux

Taking Control of Linux PAM: A Practical Guide to System Authentication

April 17, 2026

Learn how to configure Linux Pluggable Authentication Modules (PAM) to enforce account locking, time-based access, and robust security policies without locking yourself out.

Linux

Stop Flying Blind: Real-Time Linux Server Monitoring with Netdata

April 17, 2026

Ditch the lag of 5-minute monitoring averages. This guide covers how to deploy Netdata for 1-second granularity, auto-configured dashboards, and real-time server troubleshooting.

Linux

Stop Guessing: A Practical Guide to Linux Server Benchmarking

April 15, 2026

Learn how to measure Linux server performance using UnixBench and Phoronix Test Suite. Move beyond marketing specs with real-world CPU, memory, and disk benchmarks.