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Bringing Claude Code to CI/CD: Hands-Free Code Reviews and Automated Testing

By admin May 14, 2026

A guide to integrating Claude Code into CI/CD to automate code reviews, security audits, and unit tests. Save hours of coding and effectively optimize API costs.

Security

SPF, DKIM, and DMARC: The ‘Atomic Trio’ for 100% Email Inbox Delivery

By admin May 14, 2026

Don't let your emails disappear into the Spam folder. Here is a detailed guide on configuring SPF, DKIM, and DMARC to secure your domain and enhance sender reputation for IT pros.

Monitoring

24/7 Internet Bandwidth Monitoring: Holding Your ISP Accountable with Prometheus and Grafana

By admin May 14, 2026

On a 300Mbps plan but still lagging? Here is a detailed guide on using Speedtest Exporter, Prometheus, and Grafana for 24/7 monitoring, with real-world tips for handling alert fatigue.

AI Agent for Server Log Monitoring: From On-call Nightmares to Smart Telegram Alerts

By admin May 14, 2026

Turn GBs of log files into focused Telegram alerts with an AI Agent. Learn how to use Python and Gemini API to filter noise, analyze server errors, and suggest instant fixes.

Security

Teleport: How I Managed 50+ Servers and K8s Without Using a Single SSH Key

By admin May 14, 2026

Managing SSH keys for dozens of servers is a significant security challenge. This article shares practical experience in deploying Teleport—an SSH alternative using short-lived certificates to centralize Server and Kubernetes management with detailed audit logs.

Linux

Mastering lsof on Linux: Pro Tips for Finding Processes Occupying Ports and Fixing ‘Too Many Open Files’ Errors

By admin May 14, 2026

Linux users shouldn't miss out on lsof for monitoring file descriptors and fixing 'Too many open files' errors. Check out 5 real-world troubleshooting tips from a system expert.

Linux

Hunting Down CPU-Hogging “Culprits” on Linux: Mastering perf and Flame Graphs

By admin May 13, 2026

A detailed guide on using perf on Linux for CPU profiling and Flame Graph generation. Learn how to pinpoint slow functions with minimal overhead.

Python

Build a Pro Data Dashboard in 15 Minutes with Streamlit: Say Goodbye to Frontend Woes

By admin May 13, 2026

Stop wasting days on HTML/CSS just to build a dashboard. Discover how to create professional data analytics apps with Python and Streamlit in just 15 minutes.

Network

Tshark: The ‘Secret Weapon’ for CLI Network Analysis for SysAdmins

By admin May 13, 2026

Tshark is the command-line version of Wireshark, allowing SysAdmins to perform deep packet analysis via SSH. Learn how to use display filters and extract real-world data to resolve network issues.

Docker

Docker Socket Security: Don’t Let ‘/var/run/docker.sock’ Become a Backdoor for Hackers

By admin May 13, 2026

Don't let /var/run/docker.sock be a fatal vulnerability on your VPS. Discover how to use Tecnativa Proxy for Docker API permissions—high security for only 15MB RAM.