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DevOps & Automation

CI/CD pipelines, automation tools, and DevOps workflows

38 tutorials

A closed clipboard and a short ethernet cable on a steel server shelf, warm side light, no readable version numbers.

19.5.1 Is Not the Patch for a 19.4 GitLab.

GitLab's Oct. 21 patch says CVE-2026-110264 is fixed at 19.5.1, and also at 19.4.3, 19.3.6, and 18.11.13. A 19.4 host is not done because 19.5.1 exists.

October 23, 2026 ⏱️ 25 minutes

GitLabCVE-2026-110264self-managed

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🚀 devops Intermediate

Copilot's Local Sandbox Is GA. Offline Is a Flag.

GitHub's Oct. 7 notes make Copilot local sandboxing generally available, and CLI 1.0.94-0 can see Ollama. COPILOT_OFFLINE is still a separate switch.

October 12, 2026 ⏱️ 25 minutes

GitHubCopilotsandbox

Five identical hard drives stacked on a cart beside a rack server with an amber status light in a beige machine room.

🚀 devops Intermediate

GitHub Logged 7.38 Billion Commits in September.

GitHub's September commit count is 7.38 billion, more than five times last year. The 35x write figure is an internal benchmark. No rollout date.

October 9, 2026 ⏱️ 25 minutes

GitHubGitSpokes

A dim office desk with a monitor showing a blurred terminal, a blank notebook and a pen, cool overhead light, no logos and no readable text.

🚀 devops Intermediate

New GitHub App Tokens Are 520 Characters, Not 40

New GitHub App tokens are about 520 characters, not 40. Runner enforcement already started, and GHE.com drops X25519-only TLS on Oct. 7.

October 4, 2026 ⏱️ 45 minutes

GitHub ActionsGitHub Appsself-hosted runners

A server aisle in cool light, a rack pulled forward, a blank runbook on the rail and a red string tag on a handle.

🚀 devops Intermediate

actions-cool Came Back With the Old Tags

actions-cool issues-helper and maintain-one-comment were live again from Sept. 16. May 18 tags were still malicious. Older SHA pins were spared.

September 28, 2026 ⏱️ 40 minutes

GitHub Actionsactions-coolsupply chain

Two server nodes on a rack shelf, one with a small green status LED, one dark, cool aisle lighting, no vendor logos.

🚀 devops Intermediate

Kubernetes 1.35 Will Not Boot Your cgroup v1 Nodes. Check Before You Type Upgrade.

KEP-5573 turns failCgroupV1 on by default. 1.35 is also the last release that speaks containerd 1.x. Here is the stat command and the part the blogs disagree on.

September 24, 2026 ⏱️ 35 minutes

Kubernetes 1.35cgroup v2containerd

Laptop on a server-room cart showing a terminal with a helm command, cool aisle lighting, no readable cluster names.

🚀 devops Intermediate

Helm 3's Last Feature Drop Was Last Week. Helm 4 Breaks --wait First

9 September was Helm 3's last limited feature release. Security patches run to 10 February 2027. Install Helm 4 in parallel and fix watch RBAC before CI does it for you.

September 16, 2026 ⏱️ 40 minutes

HelmKubernetesCI

Server room aisle with a laptop showing a YAML file on a cart, cool overhead light, no neon.

🚀 devops Intermediate

GitHub Actions Grew Three Knobs. August Showed Why You Need Them

The 3 September changelog added a runner deprecation API, a least-privilege Dependabot permission, and job-level identity for reusable workflows. The August availability report is the incident those knobs exist for.

September 12, 2026 ⏱️ 30 minutes

GitHub ActionsCIrunners

GitOps workflow diagram with ArgoCD and Terraform

🚀 devops Intermediate

GitOps in 2026: A Practical Guide to Managing Infrastructure with ArgoCD and Terraform

Stop pushing to production manually. This guide walks through setting up a GitOps pipeline with ArgoCD and Terraform, from repo setup to first deployment.

August 28, 2026 ⏱️ 30 minutes

GitOpsArgoCDTerraform

Argo CD dashboard showing application sync status with terminal aesthetics

🚀 devops Intermediate

Argo CD: A Complete GitOps Guide for Kubernetes

Install, configure, and use Argo CD for GitOps on Kubernetes. Set up applications, manage sync policies, configure RBAC, and build a production-ready deployment pipeline.

August 23, 2026 ⏱️ 35 minutes

Argo CDGitOpsKubernetes

Server racks with blinking status lights and a laptop showing a build pipeline list

🚀 devops Intermediate

Your CI/CD Pipeline Is the Next Target: Lessons from the TeamPCP Supply Chain Attack

How 2,500+ companies lost 78,330 secrets through a single compromised dependency - and the practical steps to protect your pipelines.

August 18, 2026 ⏱️ 20 minutes

CI/CDSupply Chain SecurityDevOps

Terminal showing Kubernetes cluster status with green checkmarks and platform engineering dashboard

🚀 devops Intermediate

Platform Engineering in 2026: Building an Internal Developer Platform That Actually Works

Stop drowning in Kubernetes YAML. Platform engineering gives developers self-service infrastructure without the DevOps bottleneck. Here's how to build one.

August 11, 2026 ⏱️ 45 minutes

platform engineeringinternal developer platformKubernetes

Terminal-style illustration showing incident response workflow with alert icons and timeline, dark background with orange and green terminal text

🚀 devops Intermediate

Incident Response Runbooks: A Practical Guide for DevOps Teams

How to build, maintain, and automate incident response runbooks that cut your mean time to resolution in half. Includes templates, automation examples, and postmortem workflows.

August 6, 2026 ⏱️ 35 minutes

incident-responserunbookDevOps

A terminal-themed illustration showing a CI/CD pipeline diagram with Docker containers, green checkmarks for healthy containers leading to a production deployment arrow, and one red X for a failed container triggering a rollback loop. Dark background with terminal green accent colors.

🚀 devops Intermediate

Automating Container Health Checks in CI/CD Pipelines: A Practical Guide

Learn how to integrate Docker health checks into your CI/CD pipeline to catch failing containers before they reach production. Covers GitHub Actions, container monitoring patterns, and automated rollback strategies.

July 28, 2026 ⏱️ 20 minutes

dockerci-cdhealth-checks

A stylized terminal illustration showing a Ruby gem icon cracked open with malicious code tendrils spreading outward against a dark background with red warning accents and a glowing terminal green cursor.

🚀 devops

SleeperGem Attack Hid Malware in Dormant RubyGems Packages for Years Before Striking Developer Machines

The SleeperGem supply chain attack reactivated packages dormant since 2017, impersonated Microsoft's Git Credential Manager, and avoided CI/CD detection. Here's how it worked and what to check on your systems.

July 23, 2026

RubyGemssupply-chainmalware

Terminal-style illustration showing Docker container status with health check indicators, green and red status lights on a dark background with code snippets

🚀 devops Intermediate

Stop Manually Restarting Crashing Containers: Health Checks and Auto-Healing in Docker 2026

Docker health checks have been around for years, but most people still use them wrong — or not at all. This guide covers proper HEALTHCHECK directives, Docker Compose health check patterns, and how to combine them with auto-healing for production workloads.

July 21, 2026 ⏱️ 12 minutes

DockerDevOpshealthcheck

A terminal-style illustration of exposed AWS credentials on a GitHub repository with warning symbols and a broken padlock

🚀 devops

CISA Didn't Have an Incident Response Playbook When Its Own AWS Keys Leaked. Here's What Every DevOps Team Should Learn.

The US government's cybersecurity agency got caught without an incident response plan when a contractor exposed AWS GovCloud keys on GitHub. The post-mortem is a masterclass in what not to do — and a checklist for teams that think 'it won't happen to us.'

July 17, 2026

SecurityAWSIncident Response

Terminal window showing Flux CD bootstrap and reconciliation commands on a Kubernetes cluster with green-on-black terminal aesthetics

🚀 devops Intermediate

Flux CD: A Practical Guide to GitOps on Kubernetes

Get started with Flux CD for GitOps on Kubernetes. Bootstrap a cluster, sync manifests from Git, automate image updates, and understand the reconciliation loop — with real commands, not theory.

July 13, 2026 ⏱️ 25 minutes

Flux CDGitOpsKubernetes

Abstract illustration of a Kubernetes cluster with GitOps pipeline showing a broken lock icon, representing infrastructure security vulnerability

🚀 devops Advanced

Argo CD Vulnerability Shows Why GitOps Infrastructure Must Be Treated as Tier Zero

A newly disclosed flaw in Argo CD's repo-server lets attackers manipulate Kubernetes deployments through the GenerateManifest gRPC endpoint. Here's what happened, how the exploit works, and how to lock down your GitOps pipeline.

July 3, 2026

Argo CDGitOpsKubernetes

Cloud server infrastructure diagram showing performance optimization layers

🚀 devops Intermediate

Cloud Server Performance Optimization in 2026: A Practical Guide for DevOps Teams

Step-by-step techniques for optimizing cloud server performance in 2026 — from resource allocation and container tuning to AI-driven scaling and cost-performance tradeoffs.

June 26, 2026 ⏱️ 20 分钟

CloudPerformanceDevOps

Kubernetes cluster architecture visualization with container pods

🚀 devops

Kubernetes Production Best Practices: Optimizing Deployments for 2026

From resource limits to zero-downtime rollouts — a practical guide to running Kubernetes clusters in production without the common pitfalls.

June 22, 2026

KubernetesDevOpsContainer Orchestration

Terminal window showing CI/CD pipeline security configuration with green text on dark background

🚀 devops Intermediate

Securing Your CI/CD Pipeline: A Practical Guide to GitHub Actions Secrets Management in 2026

Hardcoded secrets in CI/CD pipelines remain one of the most common attack vectors. Here's how to manage GitHub Actions secrets properly, from repository-level configuration to enterprise-grade vaults.

June 16, 2026 ⏱️ 12 minutes

CI/CDGitHub Actionssecrets management

A secure CI/CD pipeline with lock icons protecting code artifacts flowing through build and deploy stages

🚀 devops Intermediate

Securing the AI-Powered DevOps Pipeline: A Practical Guide for 2026

As AI tools become integral to CI/CD workflows, the artifact supply chain has emerged as a new attack surface. Learn how to secure your DevOps pipeline against AI-specific threats.

June 12, 2026 ⏱️ 20 minutes

DevOpsSecurityCI/CD

🚀 devops

Jenkins Pipeline Shared Libraries: Reusable CI/CD Code Across Teams

A hands-on guide covering configuration, troubleshooting, and best practices for jenkins pipeline shared libraries: reusable ci/cd code across teams.

April 21, 2026

DevOpsJenkinsPipeline

🚀 devops

GitHub Actions Self-Hosted Runners: Setup, Scaling, and Security on Ubuntu

A hands-on guide covering configuration, troubleshooting, and best practices for github actions self-hosted runners - setup, scaling, and security on ubuntu.

April 18, 2026

DevOpsGitHub ActionsCI/CD

🚀 devops

Kubernetes Helm Chart Best Practices: Templates, Values, and Structure

A hands-on guide covering configuration, troubleshooting, and best practices for kubernetes helm chart best practices - templates, values, and structure.

April 16, 2026

DevOpsKubernetesHelm

🚀 devops

Prometheus Alertmanager: Writing Effective Alert Rules and Routing Configurations

A hands-on guide covering configuration, troubleshooting, and best practices for prometheus alertmanager - writing effective alert rules and routing configurations.

April 13, 2026

DevOpsPrometheusAlertmanager

🚀 devops

GitLab CI/CD Pipeline Optimization: Reducing Build Times by 70 Percent

A hands-on guide covering configuration, troubleshooting, and best practices for gitlab ci/cd pipeline optimization - reducing build times by 70 percent.

April 10, 2026

DevOpsGitLabCI/CD

🚀 devops

Terraform Remote State Management: S3 Backend Configuration and Best Practices

A hands-on guide covering configuration, troubleshooting, and best practices for terraform remote state management - s3 backend configuration and best practices.

April 7, 2026

DevOpsTerraformIaC

🚀 devops

Ansible Playbook Best Practices: Writing Maintainable Infrastructure as Code

A hands-on guide covering configuration, troubleshooting, and best practices for ansible playbook best practices - writing maintainable infrastructure as code.

April 4, 2026

DevOpsAnsibleIaC

🚀 devops

DevOps Trends 2026: What's Shaping the Future of Software Delivery

Discover the top DevOps trends transforming software delivery in 2026. From AI-powered automation to platform engineering, learn what's next for DevOps teams.

March 7, 2026

DevOpsAIOpsPlatform Engineering

🚀 devops

DevOps Automation Tools in 2026: A Hands-On Tutorial

Explore 20+ DevOps automation tools for 2026 including Terraform, Ansible, Helm, Prometheus, and MCP servers. Practical tutorial with code examples for CI/CD, monitoring, and infrastructure management.

February 25, 2026

DevOpsAutomationTerraform

Backup strategy visualization showing local, cloud, and hybrid storage approaches

🚀 devops

Server Backup Strategies: Comprehensive Data Protection Guide

Implement robust server backup strategies for Linux servers. Learn backup tools, retention policies, offsite storage, and disaster recovery procedures for production environments.

February 8, 2026

backuprecoveryLinux

CI/CD pipeline visualization with build, test, and deploy stages

🚀 devops

CI/CD Pipeline Setup: Complete Guide to Automated Deployment

Build a robust CI/CD pipeline for automated testing and deployment. This guide covers GitHub Actions, Docker integration, and deployment strategies.

February 8, 2026

CI/CDGitHub ActionsDevOps

Docker Swarm and Kubernetes logos with container orchestration visualization

🚀 devops

Docker Swarm vs Kubernetes: Choosing Container Orchestration

Compare Docker Swarm and Kubernetes for container orchestration. This guide analyzes deployment complexity, scalability, features, and use cases to help you choose the right platform.

February 8, 2026

Docker SwarmKubernetescontainers

Grafana dashboard showing server metrics with graphs and charts

🚀 devops

Monitoring Linux Servers with Grafana and Prometheus

Set up comprehensive server monitoring using Grafana and Prometheus. This guide covers metric collection, dashboard creation, alert configuration, and production best practices.

February 8, 2026

GrafanaPrometheusmonitoring

Kubernetes cluster architecture with pods and services

🚀 devops

Kubernetes Basics: A Beginner's Guide to Container Orchestration

Master Kubernetes fundamentals including pods, services, deployments, and ingress controllers. This tutorial covers essential concepts and practical configurations for container orchestration.

February 8, 2026

KubernetesK8scontainer orchestration

Prometheus monitoring dashboard showing metrics visualization and alerting rules

🚀 devops

System Monitoring with Prometheus: Complete Setup Guide

Deploy Prometheus for comprehensive system and application monitoring. Learn metric collection, alerting configuration, and integration with Grafana for visualization. Build observable infrastructure.

February 8, 2026

PrometheusmonitoringDevOps