Slack – How to Create a Slack Webhook to Send Alerts to a Channel
After creating your Slack workspace and alert channel, the next step is enabling external systems to send messages into it. This is done using Incoming Webhooks, a simple and powerful…
Slack – How to Create a Slack Workspace and Alert Channel for a DevOps Lab (Free Tier)
In a DevOps environment, having a centralized place to receive alerts, notifications, and system events is essential. Whether you’re working with CI/CD pipelines, infrastructure monitoring, or automation workflows, a messaging…
Jenkins – Input Step with LDAP: A Practical Approval Setup
Introducing approval in Jenkins pipelines is straightforward from a technical perspective, but quickly becomes more complex when usability and access control are considered. The native input step provides the mechanism…
LDAP Account Manager – (LAM) on Kubernetes for a DevOps LDAP Architecture
Implementing Managing a centralized OpenLDAP server for a modern DevOps stack (integrating tools like GitLab, Jenkins, Nexus, and HashiCorp Vault) requires a robust directory structure. Often, this means adopting a…
Jenkins – Passing Data Between Nodes in Jenkins Pipelines (Stash)
This article extends the discussion about passing data between nodes in Jenkins pipelines, focusing on a key mechanism: stash and unstash. While stash is commonly used in distributed pipelines, many…
Jenkins – Script Security Model: Deep Dive into the Groovy Sandbox
Jenkins pipelines allow users to execute Groovy code to automate builds, deployments, and infrastructure operations. Because this code may come from repositories or contributors who do not have administrative access…
Jenkins – Designing a Modular Jenkins Pipeline Framework for Scalable CI/CD
Introduction As CI/CD pipelines grow alongside modern microservice architectures, Jenkins pipelines often become increasingly complex. What starts as a simple Jenkinsfile quickly evolves into a large script containing build logic,…
Jenkins – Modular Jenkins Pipelines Using Include Files
This document explains how to structure and use modular Jenkins pipelines using external Groovy include files.The goal of this approach is to improve pipeline readability, maintainability, and reuse by separating…
Jenkins – Resolving Jenkins Kubernetes Agent TLS Failures After HTTPS Migration
Overview During a migration of our internal Jenkins controller from HTTP to HTTPS/TLS, several Jenkins pipelines running on Kubernetes agents began failing. These pipelines use dynamically provisioned agents created by…
Security – Configuring TLS Certificates with Step-CA for Nexus, Jenkins, GitLab and Vault
In a modern DevOps infrastructure, operating an internal Public Key Infrastructure (PKI) is essential to secure communications between services. Instead of relying on self-signed certificates or external certificate authorities, organizations…