admin – Page 25 – ITFROMZERO

Fedora Network Administration via CLI: nmcli and nmtui Tips from Basic to Advanced

By admin May 22, 2026

Forget the GUI; here's how to master NetworkManager on Fedora using nmcli and nmtui. Detailed guide on configuring static IP, Bonding, and VPN via the command line.

Ubuntu

Installing Homepage on Ubuntu: The Feather-Light Docker Management Dashboard

By admin May 22, 2026

Forgetting IP addresses and ports is a nightmare for server admins. This guide helps you install Homepage on Ubuntu using Docker to centrally manage all your services on a single screen.

Linux

Mastering fio: How to Measure Linux Disk IOPS and Throughput Like a Pro

By admin May 22, 2026

Learn how to use fio to benchmark Linux drives like a pro. A guide to accurately measuring IOPS, Latency, and Throughput while avoiding common pitfalls.

Database

QuestDB: Handling 4 Million Records/Sec and Ending Midnight Database Crash Anxiety

By admin May 22, 2026

Set up and optimize QuestDB to process millions of records per second. A detailed guide on replacing traditional databases with high-performance time-series solutions for IoT.

Linux

Automating Interactive CLIs: Mastering “Demanding” Linux Commands

By admin May 22, 2026

Automating interactive Linux commands like SSH or passwd is no longer a nightmare. Discover how to use Expect and Autoexpect to free up your workflow.

MySQL

MySQL Query Rewrite Plugin: Optimize and Fix SQL Queries Without Touching Your Application Code

By admin May 21, 2026

MySQL Query Rewrite Plugin lets you intercept and modify SQL statements at the database layer without changing any application source code. This guide covers installation, configuration, and practical use cases for production environments.

Fedora

Optimizing Power Management on Fedora Workstation with power-profiles-daemon and tuned

By admin May 21, 2026

A practical guide to configuring power-profiles-daemon and tuned on Fedora Workstation to balance performance and battery life. Covers custom tuned profiles, automatic udev switching rules, and how to monitor real-time power consumption.

Database

Atlas (Ariga): Database Schema Management as Code and Migration Automation

By admin May 21, 2026

Atlas (Ariga) enables IaC-style database schema management: describe your desired state, auto-generate migrations, lint destructive changes, and detect drift between code and your live database. This article compares Atlas with Flyway/Liquibase and walks through a real-world PostgreSQL setup.

Database

Using Debezium for Change Data Capture (CDC) from MySQL and PostgreSQL: Real-Time Sync to Kafka Without Touching Your Application

By admin May 21, 2026

A practical guide to setting up Debezium for real-time Change Data Capture (CDC) from MySQL and PostgreSQL, streaming events to Kafka — no application changes required, just reading the transaction log. Covers Docker Compose setup, connector registration, and common troubleshooting.

Security

Using Metasploit Framework for Internal Security Testing: Responsible Ethical Hacking

By admin May 21, 2026

Test your internal system vulnerabilities using Metasploit Framework — a hands-on guide to responsible ethical hacking on Linux, covering service scanning, CVE detection, and report generation. Ideal for sysadmins who want to proactively secure their systems before a real attack occurs.