Linux System Administration 32
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.
Docker is a powerful tool that simplifies the process of creating, deploying, and managing applications within lightweight, portable containers. Installing Docker on CentOS 8 is straightforward, and this guide will walk you through the process step by step. Prerequisites: Step 1: Update Your SystemBefore installing Docker, ensure your CentOS system is up to date by […]
OSSEC (Open Source HIDS SECurity) is an open source host-based intrusion detection system (HIDS). It performs log analysis, integrity scanning, rootkit detection, time-based alerting, and active responses to triggers. You can install it on linux, windows, and mac. It allows for both local installs as well as an agent that can be deployed out to multiple […]
This is a guide on how to configure ProFTPd for SFTP sessions. Secure File Transfer Protocol (SFTP) is a secure version of FTP which transfers files via the SSH protocol. ProFTPD can be reconfigured to serve SFTP sessions vs using the default FTP protocol. This guide assumes you already have a existing ProFTPD installation. If […]
MySQL tables can become corrupt for a variety for reasons such as incomplete writes, running out of space, the MySQL daemon being killed or crashing, power failures. If MySQL detects a crashed or corrupt table it will need to be repaired before it can be used again. This guide will walk you through detecting crashed […]