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Kapacitor & InfluxDB: Professional Automation of Alerts and Time-series Data Processing

By IT From Zero August 28, 2026

Don't wait for your server to crash. Learn how to set up Kapacitor with InfluxDB to build automated CPU, RAM, and IoT alerting systems via Telegram/Slack.

Security

Installing Endlessh: How to Trap Attack Bots in an Infinite SSH Loop on Linux

By IT From Zero August 28, 2026

Learn how to install Endlessh to create an SSH Tarpit, a technique to trap attack bots in an infinite loop, protecting Linux servers and wasting attacker resources.

Fedora

Fedora System Extensions: Tinkering with the /usr Directory Without Rebooting

By IT From Zero August 28, 2026

Want to install tools on Fedora Silverblue without rebooting? Discover the power of systemd-sysext to extend the /usr directory at runtime.

Git

Mastering Git on JetBrains IDEs: Saying Goodbye to CLI, Handling Conflicts, and Rebasing at Lightning Speed

By IT From Zero August 28, 2026

Forget the fear of typing the wrong Git CLI commands. Learn how to leverage JetBrains IDEs to manage branches, Cherry-pick, and handle Conflicts more visually, safely, and professionally.

Docker

Docker BuildKit Secrets: Stop Leaking API Keys in Your Image Layers!

By IT From Zero August 28, 2026

Stop exposing API keys via Docker ARG or ENV. Learn how to use BuildKit Secrets to securely pass tokens without leaving traces in your Docker image layers.

Ubuntu

Building Your Own Custom Ubuntu ISO: Deploy 50 Machines as Fast as One Using Cubic

By IT From Zero August 28, 2026

Forget about manual installations for every machine. This guide to using Cubic helps you create a custom Ubuntu ISO pre-loaded with all the software and drivers your business needs.

MySQL

Protecting MySQL from Brute-force Attacks with Connection Control Plugin

By IT From Zero August 28, 2026

Protect MySQL from brute-force attacks using the Connection Control Plugin. A detailed guide on setting failed login thresholds and delay mechanisms for optimal security.

Python

Python 3.13: Unshackling the GIL with JIT and Free-threading

By IT From Zero August 28, 2026

Python 3.13 marks a major turning point with the JIT Compiler and the option to completely remove the GIL. Let's analyze real-world performance and thread-safety considerations when upgrading.

Ubuntu

Full Disk Encryption with TPM 2.0 on Ubuntu 24.04: Security Without the Hassle

By IT From Zero August 28, 2026

Forget about typing your LUKS password every time you boot. This guide shows you how to leverage TPM 2.0 to automate drive unlocking on Ubuntu 24.04 LTS while maintaining top-tier security.

Virtualization

Mastering Proxmox VE Notification Framework: Get Telegram & Email Alerts in a Flash

By IT From Zero August 28, 2026

A guide to configuring the Proxmox VE Notification Framework for Telegram and Email alerts. Monitor ZFS errors, backups, and VM issues instantly.

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

Kapacitor & InfluxDB: Professional Automation of Alerts and Time-series Data Processing

Installing Endlessh: How to Trap Attack Bots in an Infinite SSH Loop on Linux

Fedora System Extensions: Tinkering with the /usr Directory Without Rebooting

Mastering Git on JetBrains IDEs: Saying Goodbye to CLI, Handling Conflicts, and Rebasing at Lightning Speed

Docker BuildKit Secrets: Stop Leaking API Keys in Your Image Layers!

Building Your Own Custom Ubuntu ISO: Deploy 50 Machines as Fast as One Using Cubic

Protecting MySQL from Brute-force Attacks with Connection Control Plugin

Python 3.13: Unshackling the GIL with JIT and Free-threading

Full Disk Encryption with TPM 2.0 on Ubuntu 24.04: Security Without the Hassle

Mastering Proxmox VE Notification Framework: Get Telegram & Email Alerts in a Flash