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A Guide to git push –force-with-lease: The Safer Force Push to Avoid Overwriting Teammates’ Code

By IT From Zero October 10, 2026

git push --force-with-lease is a safe alternative to standard git push --force. It checks the remote branch status before overwriting, eliminating the risk of accidentally deleting your teammates' commits.

Git

A Guide to git merge-base: Finding the Common Ancestor Commit for Accurate Diffing in CI/CD

By IT From Zero October 10, 2026

A deep dive into using git merge-base to find the common ancestor commit between branches, accurately filtering changed files and optimizing test runtimes in CI/CD pipelines.

Ubuntu

Ubuntu Server Security Auditing with Lynis: Vulnerability Scanning and Practical Hardening

By IT From Zero October 10, 2026

A hands-on guide to installing Lynis on Ubuntu Server, analyzing Hardening Index reports, fixing common security flaws, and automating audits via cron.

Git

Keyless Git Commit Signing with Gitsign and Sigstore: Modern Identity Verification

By IT From Zero October 10, 2026

Sign Git commits without GPG keys using Gitsign and Sigstore. Learn how to configure keyless signing via GitHub or Google OIDC to protect repos from identity spoofing.

Artificial Intelligence tutorial - IT technology blog

A Guide to Using OpenLLMetry and Traceloop for Monitoring and Tracing LLM Applications

By IT From Zero October 10, 2026

Struggling with slow performance, runaway token expenses, or silent failures in production LLMs? Here is how to trace your entire AI pipeline using OpenLLMetry and Traceloop on OpenTelemetry standards.

MySQL

A Guide to MySQL High Availability with Orchestrator: Automated Topology Discovery and Safe 2 AM Failover

By IT From Zero October 10, 2026

Learn how to achieve High Availability for MySQL using Orchestrator: automated topology mapping, split-brain prevention, and reliable failover in under 15 seconds.

Docker

How to Deploy Uptime Kuma with Docker Compose: Monitor Websites and Send Instant Telegram Alerts

By IT From Zero October 10, 2026

Self-host a 24/7 website and API monitoring platform with Uptime Kuma and Docker Compose. A complete guide covering setup, persistent volumes, and instant Telegram downtime alerts.

Docker

How to Configure User Namespace Remapping (userns-remap) in Docker

By IT From Zero October 10, 2026

Configuring userns-remap in Docker maps root containers to unprivileged users on the host, eliminating privilege escalation risks and securing your servers.

Monitoring

Monitoring Pi-hole DNS Server with Prometheus and Grafana: Track DNS Query Traffic, Ad Blocking Rates, and Top Clients

By IT From Zero October 10, 2026

Transform Pi-hole into a network security monitoring station with Prometheus and Grafana. Step-by-step setup for pihole-exporter, battle-tested PromQL queries, and practical alerting strategies to eliminate false alarms.

Fedora

Configuring systemd-journal-remote on Fedora Server: Centralized Logging over HTTPS mTLS

By IT From Zero October 10, 2026

Eliminate log loss caused by sudden server crashes. A complete step-by-step guide to centralized logging on Fedora Server using systemd-journal-remote over HTTPS mTLS.