In modern Kubernetes clusters, security is not optional — it’s foundational. One of the most powerful mechanisms Kubernetes provides for managing access control is Role-Based Access Control (RBAC). This guide covers everything you need to know about RBAC, including roles, bindings, …

Note - This Kubernetes Cheat sheet is really long and detailed. I would highly recommend to use CTRL+F from the browser to search for the specific resource. NAME SHORTNAMES APIVERSION NAMESPACED KIND bindings v1 true Binding componentstatuses cs v1 false ComponentStatus configmaps cm v1 true …

Prerequisites Before proceeding with the installation of the required tools, ensure you have the following: MYSQL/mariadb git ansible Installation MariaDB : 1. Download MariaDB Repository Setup Script First, download the repository setup script for MariaDB: curl -LsS -O …

50 Docker Errors & Solutions Docker errors can arise from various issues, and troubleshooting them can sometimes be challenging. Here are 50 common Docker errors along with potential solutions: Error: Cannot connect to the Docker daemon Solution: Ensure Docker is running (docker info). Error: …

Upgrading your MongoDB instance is crucial to keeping your database secure, performant, and feature-rich. Whether you’re moving from an older 4.x version to 6.0 or transitioning to MongoDB Atlas, a well-planned upgrade can save you from unexpected downtime or compatibility issues. In this …

Redis Installation $ dnf install redis -y $ rpm -q redis $ sudo systemctl start redis $ sudo systemctl enable redis $ systemctl status redis.service $ sudo netstat -pnltu | grep redis configuration vim /etc/redis.conf bind 0.0.0.0 $ sudo systemctl restart redis $ redis-cli ping -> PONG …

DATABASE MariaDB mariadb on podman podman pull mariadb podman run -p 127.0.0.1:3306:3306 --name some-mariadb -e MARIADB_ROOT_PASSWORD=redhat -d mariadb podman cp Project.sql c3c6c76bd38a:/opt/ podman exec -it c3c6c76bd38a /bin/bash Create DB and Tables ```- mysql -u root -p redhat - CREATE DATABASE …

𝐑𝐄𝐒𝐓 𝐀𝐏𝐈 𝐓𝐞𝐬𝐭𝐢𝐧𝐠 Rest stands for Representational State Transfer. It is an architectural style and an approach for communication used in the development of Web Services. REST has become a logical choice for building APIs. It enables users to connect and interact with cloud services efficiently. An …

To create a Spring Boot project from the command line, you can use Spring Initializr or Maven. Below are the steps for both methods. 1. Using Spring Initializr (Web-based) Spring Initializr is the easiest way to create a Spring Boot project using a web interface, but it can also be done from the …