admin – Page 37 – ITFROMZERO

Virtualization tutorial - IT technology blog

Vagrant & Ansible: The Perfect Duo for Eliminating Environment Mismatches

By admin May 12, 2026

Forget about environment mismatches between dev and production. This guide shows you how to combine Vagrant and Ansible to automate server setup with a single command.

Ubuntu

BorgBackup on Ubuntu: ‘Super-Compressed’ Backup Solution and Secure Encryption for Sysadmins

By admin May 12, 2026

Guide to installing BorgBackup on Ubuntu. A smart backup solution that saves 90% storage space through Deduplication and provides absolute security with AES-256 encryption.

Git

Git Grep & Git Log -S (Pickaxe): Search Through Old Code in a Flash

By admin May 12, 2026

Thousands of files making VS Code freeze every time you search? Discover the power of git grep and Pickaxe to find code and trace history in an instant.

Monitoring

Goodbye Nagios, Hello Icinga2: Monitoring Upgrades No Longer a ‘Nightmare’

By admin May 12, 2026

Tired of Nagios's outdated interface and messy configuration files? Discover Icinga2 – a modern monitoring solution that reduces configuration time by 90% with fast Telegram alert integration.

MySQL

MySQL 5.7 to 8.0: A Safe Upgrade Path and Pitfalls to Avoid

By admin May 12, 2026

A practical guide to safely upgrading MySQL 5.7 to 8.0. Learn how to handle authentication errors, reserved keywords, and optimize performance post-upgrade.

Security

Hardening SSH Server Security with ssh-audit: Eliminating Weak Algorithms for 2024

By admin May 12, 2026

Don't let your server be compromised by outdated SSH algorithms. This guide shows you how to use ssh-audit to scan vulnerabilities and secure your SSH Server in just 5 minutes.

Artificial Intelligence tutorial - IT technology blog

LiteLLM Proxy Gateway: A Single API to Manage OpenAI, Anthropic, and Gemini

By admin May 11, 2026

Learn how to set up LiteLLM Proxy Gateway to centrally manage OpenAI, Anthropic, and Gemini. This solution unifies APIs, optimizes costs, and increases flexibility for AI applications.

Fedora

Mastering akmods on Fedora: Say Goodbye to Driver Breakage After Kernel Updates

By admin May 11, 2026

Lost your Nvidia or VirtualBox drivers after updating Fedora? Learn how to use akmods to automatically rebuild modules, keeping your system stable and clean.

Centos

Postfix on CentOS Stream 9: A Smooth Mail Server Setup Guide to Escape the ‘Spam Folder’ Fate

By admin May 11, 2026

Don't let your system emails be unfairly blocked. Learn how to deploy a Postfix Mail Server on CentOS Stream 9 with TLS security standards to boost reliability and protect corporate data.

Security

Preventing BadUSB on Linux with USBGuard: Don’t Let Physical Ports Be Your Achilles’ Heel

By admin May 11, 2026

Secure your Linux system against BadUSB using USBGuard. A detailed guide on setting up peripheral whitelists, creating security policies, and monitoring USB ports for SysAdmins.