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Preventing RCE and Injection with OpenRASP: Protecting Web Apps from Within Without Code Changes

By IT From Zero August 9, 2026

Protect web applications from 0-day, RCE, and SQL Injection with OpenRASP. Detailed guide on installing the Java Agent without modifying source code.

Security

Setting Up a Tor Onion Service with Nginx: ‘Stealth’ Your Website on Linux

By IT From Zero August 9, 2026

A guide on setting up a Tor Onion Service with Nginx on Linux. Learn how to prevent IP leaks, secure headers, and apply OPSEC principles for a fully anonymous .onion website.

Linux

Hyprland: Turning Linux into an Ultra-Smooth Productivity Machine for Developers

By IT From Zero August 9, 2026

Install Hyprland for the smoothest Tiling Window Manager experience on Linux. A detailed configuration guide for developers, including NVIDIA driver fixes.

Git

Automating Changelogs with git-cliff: From ‘Nightmare’ to Finished in 2 Seconds

By IT From Zero August 9, 2026

Forget manual changelogs! A detailed guide on using git-cliff to automatically generate professional change logs and standardize your release process in seconds.

Security

Installing Technitium DNS Server on Linux: A Security ‘Shield’ and Ad-Blocker for DevOps

By IT From Zero August 9, 2026

A guide to installing Technitium DNS Server on Linux for DoH encryption, network-wide ad-blocking, and professional local DNS management for DevOps and SysAdmins.

Monitoring

Monitor 100+ Services Agentless with HertzBeat: Fast, Simple, Lightweight

By IT From Zero August 9, 2026

Deploy HertzBeat—a top-tier multi-tier agentless monitoring system. Manage Websites, Databases, and Servers with a single tool, no complex installations required on target servers.

Git

Fixing Git History with git replace: How to Save Your Repo Without Changing Commit Hashes

By IT From Zero August 9, 2026

Learn how to use git replace to fix old commits or remove large files without changing commit hashes, protecting your repo and preventing team conflicts.

Linux

Handling YAML on Linux: Why yq is the Perfect Replacement for sed and awk?

By IT From Zero August 8, 2026

Stop using sed/awk to edit YAML files. A detailed guide on using yq on Linux to manage Kubernetes and Docker Compose configurations safely and professionally.

Security

Nipping Cloud Vulnerabilities in the Bud with Checkov

By IT From Zero August 8, 2026

Automatically scan for IaC security flaws with Checkov. A solution to detect vulnerabilities in Terraform, Kubernetes, and CloudFormation before deploying to the Cloud.

MySQL

Implementing Soft Delete in MySQL: Don’t Let Unique Constraints and Indexes Slow You Down

By IT From Zero August 8, 2026

Soft Delete is more than just adding a Boolean column. Discover how to handle Unique Constraints using Virtual Columns and optimize indexes for large databases based on real-world experience.

Enable MySQL Slow Query Log and Use pt-query-digest to Find Database Bottlenecks

MetaGPT with Python Guide: Automate Software Development with Multi-Agent Systems

Configuring SR-IOV on KVM/Proxmox: Share 10GbE NICs with Near Bare-Metal Performance

Docker Autoheal Guide: Automatically Restart Unhealthy Containers

APScheduler in Python: Production-Ready Background Job Scheduling for Backend

How to Reclaim Storage Space (Space Reclamation / UNMAP) on VMware ESXi

How to Use Bitnami Sealed Secrets on Kubernetes: Secure GitOps Secrets Management

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

Preventing RCE and Injection with OpenRASP: Protecting Web Apps from Within Without Code Changes

Setting Up a Tor Onion Service with Nginx: ‘Stealth’ Your Website on Linux

Hyprland: Turning Linux into an Ultra-Smooth Productivity Machine for Developers

Automating Changelogs with git-cliff: From ‘Nightmare’ to Finished in 2 Seconds

Installing Technitium DNS Server on Linux: A Security ‘Shield’ and Ad-Blocker for DevOps

Monitor 100+ Services Agentless with HertzBeat: Fast, Simple, Lightweight

Fixing Git History with git replace: How to Save Your Repo Without Changing Commit Hashes

Handling YAML on Linux: Why yq is the Perfect Replacement for sed and awk?

Nipping Cloud Vulnerabilities in the Bud with Checkov

Implementing Soft Delete in MySQL: Don’t Let Unique Constraints and Indexes Slow You Down