OpenVPN is a robust, open-source VPN (Virtual Private Network) solution that enables secure connections to remote networks via the internet. In this guide, we’ll walk you through the process of setting up OpenVPN on a Debian server. Method 1: Installation Using a Script Begin by obtaining the installation script and making it executable: Next, run ..
Category : Linux system administration
Tar is a utility for archiving and compressing files in Linux and UNIX-like operating systems. It allows you to bundle multiple files and directories into a single .tar archive file, while preserving permissions and directory structures. Tar is extremely useful for backing up data, moving groups of files between systems, and preparing source code distributions. ..
Introduction OpenSSL is an open-source toolkit that implements the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) protocols, as well as a full-strength general purpose cryptography library. It is used to provide cryptographic functions and secure communications capabilities in many software packages and applications. In this comprehensive guide, we will walk through ..
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 ..
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 ..
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