DevOps Archives - ITFROMZERO - Share tobe shared!

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.

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.

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.

VMware

Enable VMware vSphere Quick Boot: Cut ESXi Maintenance Reboot Time by 80%

By IT From Zero October 9, 2026

VMware vSphere Quick Boot allows ESXi to bypass the BIOS/UEFI POST process, slashing reboot times from 15 minutes to under 90 seconds. Learn how to verify compatibility, enable it in vLCM, and troubleshoot real-world issues.

Centos

Configuring LUKS and Clevis/Tang on CentOS Stream 9: Automatic Disk Encryption (NBDE)

By IT From Zero October 8, 2026

A guide to configuring Network-Bound Disk Encryption (NBDE) on CentOS Stream 9 using LUKS, Clevis, and Tang server. Servers automatically unlock their disks on boot within the internal network, no manual passphrase needed — ideal for DevOps environments and compliance requirements.

Docker

Deploying n8n with Docker Compose and PostgreSQL: A Guide to Self-Hosted Automation

By IT From Zero October 7, 2026

Compare n8n deployment models and follow a step-by-step guide to set up a robust n8n + PostgreSQL cluster ready to handle production-scale internal automations.

Fedora

Installing Prometheus, Grafana, and Node Exporter on Fedora Server: A Production-Ready Monitoring Stack

By IT From Zero October 7, 2026

Step-by-step setup of the Prometheus, Grafana, and Node Exporter monitoring stack on Fedora Server. Includes standard config files, firewall setup, and dashboard ID 1860 for intuitive server resource tracking.

Docker

Guide to Deploying Apache Kafka in KRaft Mode with Kafka UI Using Docker Compose

By IT From Zero October 6, 2026

Permanently resolve ZooKeeper OOM errors by migrating to Apache Kafka KRaft mode paired with Kafka UI via Docker Compose. Save 50% RAM with intuitive visual management.