Install LAMP Stack on CentOS Stream 10
Learn how to install and configure a LAMP stack (Apache, MariaDB, PHP) on CentOS Stream 10 with clear CLI examples, security best practices, and performance tuning. Table of Contents 🚀 Introduction Linux + Apache + MySQL (MariaDB) + PHP = LAMP This guide walks you through setting up a robust LAMP environment on CentOS Stream 10— from […]
Configuring Secure etcd with SSL/TLS on RHEL 8 / CentOS 8: A Step-by-Step Guide
Learn how to configure etcd with SSL/TLS on RHEL 8 or CentOS 8 for secure communication. This step-by-step guide covers everything from generating certificates to setting up a multi-node etcd cluster. Table of Contents Introduction In today’s world of cloud-native architectures and containerized applications, securing your etcd cluster is paramount. Etcd is a distributed key-value […]
How to Configure LVM on Multipath Devices in RHEL
Learn how to configure LVM on multipath devices in RHEL with this comprehensive step-by-step guide. Improve storage performance, ensure high availability, and master enterprise-level disk management using MPIO and LVM. Table of Contents 🔈Introduction When building enterprise-level storage systems, logical volume management (LVM) combined with multipath I/O (MPIO) ensures robust redundancy, scalability, and high availability. Red Hat Enterprise […]
How to Monitor SSL Certificate Expiry with Zabbix
Learn how to monitor SSL certificate expiry using Zabbix with automated scripts and triggers. Avoid service disruptions by setting up alerts for expiring certificates. Table of Contents 🔈Introduction In today’s secure-by-default internet, SSL/TLS certificates are essential for encrypting web traffic and building user trust. However, managing and renewing these certificates across multiple servers or domains can be […]
Automate Certificate Renewal and Deployment Using OpenSSL and Bash
Learn how to automate SSL/TLS certificate renewal and deployment using OpenSSL and Bash scripts. Includes CLI examples, best practices, cron automation, and deployment tips. Table of Contents Introduction Securing communication channels using SSL/TLS certificates is critical in today’s cybersecurity landscape. However, managing and renewing these certificates manually is time-consuming and error-prone—especially in environments with dozens […]
How to Archive and Extract PFX Certificate Files
Learn how to archive and extract PFX/PKCS#12 certificate files using OpenSSL and Windows tools. Includes CLI examples, tables, and best practices for secure handling. Table of Contents 🔈Introduction Whether you’re managing a secure web server, configuring enterprise authentication, or migrating SSL certificates across systems, understanding how to work with PFX certificate files (also known as […]
Deploy PostgreSQL Database on Podman: A Step-by-Step Guide
Learn how to deploy PostgreSQL database on Podman with this step-by-step guide. From installation to database setup, find out everything you need to know to run PostgreSQL containers efficiently. Table of Contents 🔈Introduction In the world of modern application development and containerization, Podman has gained significant traction as a container management tool. It’s known for being a […]
Major Differences Between Ansible Engine and Ansible Core
Learn the key differences between Ansible Core and Red Hat Ansible Engine, now EOL. Understand the transition to Red Hat Ansible Automation Platform and how it impacts your automation strategy. Table of Contents 🔈Introduction Ansible has long been a go-to tool for automation, configuration management, and application deployment. However, with its evolving product lineup and […]
Automatically Exclude Packages Using DNF
Learn how to automatically exclude packages using DNF on Linux-based systems. This guide covers DNF exclusion options, CLI examples, and strategies for managing package installations effectively. Table of Contents 🔈Introduction The DNF (Dandified YUM) package manager is a powerful tool for managing software packages on Fedora, CentOS, RHEL, and other RPM-based distributions. It helps users install, update, remove, […]
Top 10 Google Cloud CLI Commands Every DevOps Engineer Should Know
Master the top 10 Google Cloud CLI commands every DevOps engineer should know. Boost productivity with real-world examples, command tables, and automation tips. Table of Contents Introduction In the fast-paced world of DevOps, efficiency and automation are paramount. Google Cloud’s Command-Line Interface (CLI), gcloud, is an indispensable tool for DevOps engineers, enabling them to manage resources, […]