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Installing Genymotion on Linux: A ‘High-Speed’ Android Emulator for Developers

By IT From Zero September 17, 2026

Detailed review and installation guide for Genymotion on Linux. A low-RAM, fast-booting, and extremely smooth Android emulation solution for developers.

Database

Odyssey: The Ultimate Solution to Save PostgreSQL from Bottlenecks at Scale

By IT From Zero September 17, 2026

Switch from PgBouncer to Odyssey to leverage multi-threaded power for PostgreSQL. A detailed guide on optimizing configurations to handle tens of thousands of concurrent connections in enterprise environments.

VMware

vNUMA Configuration: The Secret to Fixing Slow ‘Beast’ VMs on VMware vSphere

By IT From Zero September 16, 2026

Large VMs running slow are often due to vNUMA misalignment. Learn how to align Virtual NUMA with physical CPUs on vSphere to reduce RAM latency and boost app performance by 20-30%.

Ubuntu

Deploying GlusterFS on Ubuntu: A Cost-Effective Distributed Storage Solution

By IT From Zero September 16, 2026

Eliminate the fear of data loss from server crashes. This detailed guide on building a GlusterFS distributed storage cluster on Ubuntu Server ensures 24/7 availability.

Git

Git: Distinguishing ^ and ~ to Never Reset the Wrong Branch

By IT From Zero September 16, 2026

A detailed comparison of the ^ and ~ symbols in Git. Learn how to use Ancestry References to accurately identify parent commits during Rebase and Reset operations.

Ubuntu

Mastering HWE Stack on Ubuntu LTS: Don’t Let an Outdated Kernel Hold Back Your Hardware

By IT From Zero September 16, 2026

HWE Stack is the solution for using the latest Kernel and Drivers on Ubuntu LTS. Learn how to boost I/O performance and support modern hardware while maintaining system stability.

Fedora

Fedora + IBus-Bamboo: Typing Vietnamese as Smoothly as Windows on Wayland

By IT From Zero September 16, 2026

Typing Vietnamese on Fedora often causes missing characters and underline issues. This guide shows how to install IBus-Bamboo and configure Wayland to fix these bugs in Chrome and VS Code.

Database

Bringing SQLite to Production: Optimizing WAL Mode and Synchronous for Real-World Loads

By IT From Zero September 16, 2026

SQLite is far from weak if you know how to configure it. Learn how to optimize WAL Mode, Synchronous, and Cache to handle thousands of transactions per second in production environments.

Ubuntu

Upgrading Ubuntu Kernel with Mainline: The Ultimate Solution for New Hardware and Performance

By IT From Zero September 16, 2026

Experiencing driver issues or overheating on new hardware with Ubuntu? Follow this guide to upgrade your Kernel using Mainline Kernel Installer for better performance and support.

VMware

Guide to Installing Veeam Backup & Replication Community Edition: A Professional VMware ESXi Backup Solution (Free)

By IT From Zero September 16, 2026

Don't wait for data loss to regret it. This guide to installing Veeam Backup & Replication Community Edition helps you protect 10 VMware VMs completely free and professionally.

Monitoring Argo CD Application Sync and Health Status with Prometheus and Grafana

Installing and Using Portkey AI Gateway: Rate Limiting, Load Balancing, and Multi-LLM Observability

How to Install and Configure nftables on Linux: A Complete iptables Replacement

Optimizing KVM Networking with virtio-net Multiqueue and vhost-net: Hitting Full 10GbE Without CPU Bottlenecks

How to Deploy Umami Analytics with Docker Compose and PostgreSQL: Self-Host a Lightweight GA4 Alternative

How to Back Up SQLite to S3 with Litestream: Real-Time Production Backups

Guide to Using Tart on macOS Apple Silicon: Create and Manage CLI Virtual Machines for CI/CD

Installing and Configuring Auditd on Ubuntu Server: Tracing User Actions Down to the Kernel Level

How to Use git-credential-oauth: Log in to GitHub and GitLab in Terminal via Browser

How to Enable Virtualization-Based Security (VBS) and Credential Guard on VMware vSphere

Installing Genymotion on Linux: A ‘High-Speed’ Android Emulator for Developers

Odyssey: The Ultimate Solution to Save PostgreSQL from Bottlenecks at Scale

vNUMA Configuration: The Secret to Fixing Slow ‘Beast’ VMs on VMware vSphere

Deploying GlusterFS on Ubuntu: A Cost-Effective Distributed Storage Solution

Git: Distinguishing ^ and ~ to Never Reset the Wrong Branch

Mastering HWE Stack on Ubuntu LTS: Don’t Let an Outdated Kernel Hold Back Your Hardware

Fedora + IBus-Bamboo: Typing Vietnamese as Smoothly as Windows on Wayland

Bringing SQLite to Production: Optimizing WAL Mode and Synchronous for Real-World Loads

Upgrading Ubuntu Kernel with Mainline: The Ultimate Solution for New Hardware and Performance

Guide to Installing Veeam Backup & Replication Community Edition: A Professional VMware ESXi Backup Solution (Free)