Server Optimization – ITFROMZERO

10 Essential Post-Installation Steps for CentOS Stream 9: A Production “Survival” Checklist

By admin June 15, 2026

Just installed CentOS Stream 9? Check out this checklist of 10 essential tasks to optimize security and performance based on real-world production experience.

Ubuntu

Varnish + Nginx: The Ultimate Lifesaver for High-Traffic Websites on Ubuntu

By admin June 3, 2026

Varnish Cache is a leading solution for boosting website speed and reducing server load. Learn how to configure Varnish with Nginx on Ubuntu based on real-world expert experience.

Linux

Linux Optimization: Using nice and ionice to Prevent Server Freezes During Heavy Tasks

By admin May 31, 2026

Effectively control CPU and I/O usage with nice and ionice. A detailed guide on Linux server optimization for running heavy tasks like backups and file compression without impacting web or database performance.

Linux

Slow Linux Boot? Use systemd-analyze to Trace and Optimize Immediately

By admin May 3, 2026

Don't let your Linux server boot slowly. Learn how to use systemd-analyze to track down bottlenecks and effectively optimize boot time in just a few steps.

Docker

Docker Resource Limits: Don’t Let One Container Crash Your Entire Server

By admin April 11, 2026

Configuring Docker Resource Limits is a must for professional DevOps. Learn how to limit CPU, RAM, and Disk I/O to prevent server hangs and optimize infrastructure costs.

Centos

Supercharge Website Speed with Varnish Cache and Nginx on CentOS Stream 9

By admin April 4, 2026

Learn how to deploy Varnish Cache with Nginx on CentOS Stream 9 to reduce server load and boost website speed. Detailed guide based on real-world system admin experience.

Linux

Linux SWAP Configuration Guide: A “Spare Tire” for Low-RAM Servers

By admin April 1, 2026

Don't let your server crash due to RAM exhaustion. A detailed guide on creating a Linux Swap File, optimizing swappiness, and practical tips for maintaining system stability under heavy load.

Linux

Optimize Linux server performance for production: A detailed guide for beginners

By admin March 17, 2026

This article provides a detailed guide on how to optimize Linux server performance for a production environment. From resource monitoring to fine-tuning CPU, RAM, Disk I/O, and Network, it's aimed at beginners.