Latest POSTS

Zabbix 6.4 to 7.0 LTS migration (MySQL and PostgreSQL)

Migrate Zabbix 6.4 to Zabbix 7.0 LTS

Comprehensive step-by-step guide to migrate Zabbix 6.4 to Zabbix 7.0 LTS for MySQL and PostgreSQL. Includes pre-checks, database commands, schema upgrades, and rollback instructions. Table of Contents 🔈Introduction Upgrading...
Configuring Kubernetes worker nodes on baremetal Linux

Configuring Kubernetes Worker Nodes on Baremetal Linux

A complete step-by-step guide to configuring Kubernetes worker nodes on baremetal Linux, covering OS preparation, networking, storage, kubelet tuning, cluster joining, and performance optimization. Table...
Convert Ext4 to Btrfs

How to Convert Ext4 Filesystems to Btrfs with Minimal Downtime

Self-explanatory placeholder (typically) matches the keyword catch phrase statement. Table of Contents 🔈Introduction Migrating from Ext4 to Btrfs has become a common objective...
Linux I/O latency analysis

How to Analyze and Reduce Linux I/O Latency Using fio, blktrace, and perf

Learn how to analyze and reduce Linux I/O latency with tools like fio, blktrace, and perf. Optimize disk performance to improve throughput, latency, and system efficiency. Table of Contents 🔈Introduction In...