linux Archives - Page 11 of 20

Demystifying the Linux Boot Process: From Power-On to Login

April 26, 2026

Ever wonder what happens between pressing the power button and the login prompt? We break down the four stages of the Linux boot process—UEFI, GRUB, Kernel, and systemd—to help you troubleshoot like a senior admin.

Networking

OpenWrt on Your Home Router: Custom DNS, VPN, and QoS After 6 Months of Real Use

April 25, 2026

After six months running OpenWrt in production across three routers, this guide covers what actually works: encrypted custom DNS with stubby, WireGuard VPN setup, and SQM QoS with CAKE to eliminate bufferbloat. Practical commands, real-world results.

HomeLab

Self-Hosted E-Book Library with Calibre-Web on Docker: Manage, Read, and Sync Books Anywhere

April 25, 2026

Learn how to deploy Calibre-Web on Docker to create a self-hosted e-book library accessible from any browser or e-reader app. This step-by-step guide covers Docker Compose setup, OPDS catalog configuration, and tips for keeping your library in sync across all devices.

Linux

Linux /proc and /sys: Talking Directly to the Kernel and Hardware

April 25, 2026

Ditch the wrappers. Learn how to interact directly with the Linux kernel and hardware using the /proc and /sys virtual filesystems for faster, lighter monitoring.

Networking

Why Your Website Hangs: Fixing MTU and MSS Issues on Linux

April 23, 2026

Is your Linux server hanging on large page loads? Learn how to diagnose and fix MTU and MSS bottlenecks that cause network timeouts over VPNs and restricted ISPs.

Linux

eBPF: A High-Performance Path to Linux Kernel Observability

April 23, 2026

Discover how eBPF provides deep Linux kernel observability without the risks of traditional modules. Learn to use BCC and bpftrace for real-time system troubleshooting.

Linux

Hướng dẫn cài đặt và sử dụng Cockpit: Quản lý Linux Server tập trung qua giao diện Web

April 23, 2026

Ditch the complex CLI commands for daily monitoring. Learn how to install and secure Cockpit to manage multiple Linux servers through a fast, lightweight web interface.

Linux

Stop Waiting for Grep: A Production Guide to Fzf and Ripgrep

April 22, 2026

Ditch slow terminal searches. This guide shows you how to integrate fzf and ripgrep for near-instant file and text searching on Linux.

Networking

Wake-on-LAN Over the Internet: Configure Your Router and Linux Server for Remote Boot

April 21, 2026

A practical guide to configuring Wake-on-LAN on Linux and your router so you can remotely power on any physical machine over the internet. Covers ethtool setup, systemd persistence, router port forwarding, and a full wake+connect script.