Kubernetes is a powerful open-source container orchestration platform used for automating the deployment, scaling, and management of containerized applications. This step-by-step guide will walk you through the process of installing Kubernetes on both Ubuntu/Debian and CentOS/RHEL systems. We will use popular tools such as kubeadm, kubectl, and kubelet to set up a functional Kubernetes cluster. Prerequisites Before diving into ..
Category : Linux system administration
MongoDB is a popular NoSQL database management system known for its flexibility and scalability. Whether you’re running a small-scale application or a large-scale enterprise system, it’s essential to have a robust strategy for backing up, restoring, and migrating your MongoDB databases. This ensures the safety of your data and facilitates smooth transitions between different environments ..
Docker has revolutionized the way we build, package, and deploy applications. It provides a robust platform for containerization, enabling developers and system administrators to efficiently manage and deploy applications in isolated containers. While Docker itself offers a command-line interface for container management, using Portainer can simplify the process, especially for those who prefer a graphical ..
Duplicity is a powerful open source backup tool that allows you to perform encrypted and incremental backups. It supports a variety of backends for storing backup data including local or remote file systems, FTP, SSH, WebDAV and cloud storage services. Duplicity uses GnuPG for encryption and signing of backup archives. In this comprehensive guide, we ..
Server caching is a crucial technique for enhancing website performance by reducing server load and improving response times. In this guide, we’ll show you how to implement server caching using Nginx and PHP, step by step. Step 1: Prerequisites Before we begin, ensure you have Nginx and PHP installed on your server. You can install ..
MySQL is one of the most popular open source database management systems in the world. It powers many of the web applications and sites we use every day. However, like any powerful technology, MySQL can be vulnerable if not properly secured. A compromised MySQL server can lead to leaked sensitive data, corrupted databases, and even ..
Introduction System administrators working with Ubuntu and Debian often need to consult log files to troubleshoot issues. This is a fundamental step in diagnosing and resolving problems on these operating systems. Linux-based systems, including Ubuntu and Debian, generate a variety of messages that are recorded in log files. These log messages are crucial for understanding ..
Using Docker provides many benefits like allowing you to package applications into standardized units for software development. This makes it easier to deploy and scale your applications. However, managing updates of the Docker images on a server can become tedious. You have to manually pull new versions of an image and restart each container every ..
Docker images are the building blocks of Docker containers. An image contains everything that is needed to run an application or service inside a container – the code or binaries, runtimes, dependencies, and configurations. Images are immutable, meaning they can’t be changed once built. To make changes, you build a new image. Images are also ..
PhpMyAdmin is a free and open source tool written in PHP that allows you to easily manage MySQL databases through a web interface. With PhpMyAdmin, you can create and configure databases, create/edit/drop tables, insert data, execute SQL queries and manage users. In this article we will go through the key things you can do in ..
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