Posted inNetwork
Implementing Dynamic Routing on Linux with FRRouting (FRR): From OSPF to BGP
Instead of manual static route configuration, use FRRouting (FRR) to automate your Linux network. A detailed guide on practical OSPF and BGP setup.
Posted inVirtualization
Memory Ballooning and KSM on KVM/Proxmox: Optimize RAM to Run More Virtual Machines
Memory Ballooning and KSM (Kernel Same-page Merging) are two RAM optimization techniques that let you run more VMs on the same hardware without upgrading your server. This guide covers practical configuration on KVM/Proxmox with a real-world comparison of the trade-offs for each approach.
Posted inNetwork
Wake-on-LAN (WoL) on Linux: Don’t Let Turning On Your Server Become a Nightmare
Stop letting remote server management haunt you. Here is a detailed guide on configuring Wake-on-LAN on Linux to boot your server remotely with a single command.
Posted inLinux
Rescuing Linux Laptop Battery Life: Mastering the TLP and Powertop Duo
Don't let your Linux laptop become a hand warmer. Here is a detailed guide on combining TLP and Powertop to increase battery life by 30-50% and keep your system cool.
Posted inLinux
Mastering Software RAID on Linux with mdadm: Practical Experience from Lab to Production
A hands-on guide to managing RAID 1/5/6 on Linux using mdadm. Discover troubleshooting secrets and storage optimization tips based on real-world experience.
Posted inVirtualization
Kata Containers: When VM Security Meets Container Speed
A guide to installing Kata Containers to combine VM security with container speed. Learn to configure microVMs for Docker and compare QEMU vs Firecracker.
Posted inNetwork
Mastering Network Namespaces: Building Your Own Isolated Network Lab on Linux
A detailed guide on using Network Namespaces on Linux for network isolation. A lightweight VM alternative for testing applications and system management.
Posted inLinux
How to Use strace to Debug Applications on Linux: Tracing System Calls and Finding Root Causes Effectively
strace lets you trace every system call a process makes on Linux — from file opens and network connections to lock waits — without needing source code or recompiling. This guide covers practical strace usage for debugging permission errors, missing files, hanging services, and I/O bottlenecks.
Posted inDatabase
Getting Started with ClickHouse: A High-Performance OLAP Database for Large-Scale Analytics
ClickHouse is a columnar OLAP database that lets you analyze hundreds of millions of rows in seconds. This guide covers installation on Linux, choosing the right table engine, importing real-world data, and production deployment tips for DevOps teams.
Posted inLinux
Speed Up Your Linux Terminal with fzf: Find Files and History Instantly
Learn how to install and configure fzf (fuzzy finder) on Linux to quickly search for files, command history, and manage processes. Practical tips to boost your Terminal productivity.