Linux tutorials for systems administrators and users wanting to manage linux systems, covering various topics such as administration, security, performance tuning, upgrades, and maintenance.
Docker has revolutionized the way developers and system administrators manage containerized applications. However, when using Docker on CentOS, ensuring that your firewall settings are correctly configured is crucial for the security and proper functioning of your containerized services. In this technical article, we will walk you through the steps to configure Firewalld—a powerful and flexible […]
Explore NGINX tuning in our comprehensive 2000-word guide, covering configuration optimization, performance enhancements, and best practices to ensure your web server operates at peak performance. Learn how to fine-tune NGINX, implement advanced features, and follow best practices for optimal performance, scalability, and reliability.
This article explores eBPF (Extended Berkeley Packet Filter), tracing its evolution from a simple packet filtering tool to a transformative technology reshaping system and network monitoring, security, and observability. Delving into core concepts, diverse use cases, and the burgeoning eBPF ecosystem, the article highlights how eBPF is revolutionizing modern computing by enabling real-time, customizable data collection and analysis within the Linux kernel.
Kubernetes, an open-source container orchestration platform, revolutionizes the deployment and management of containerized applications. This article provides an installation guide for Kubernetes on CentOS 8, empowering users to harness the full potential of containerization in their environments.
ProFTPd is an Open source FTP daemon, widely used for its granular configuration ability. This is a guide to provide install methods for both CentOS 7 aswell as CentOS 6 and below. You can read more about ProFTPD on the project’s website. Install ProFTPD ProFTPD is in the EPEL repository, you will need to install […]
Supervisord is a simple system for process management and monitoring. It can start processes or restart them when they crash. The repositories for CentOS 6 for supervisor are quite old (version 2.x) which do not contain the latest features. You can read more on the project’s website. If you already have an existing installation installed through […]
SSH key authentication can be used for password-less login between 2 servers. This is also useful for adding a key to accounts like git or gitlab for version management. Source Server SSH Key Configuration Generate a RSA key for this system by typing the following ssh-keygen -t rsa The key generated will ask for a […]