Linux

Installing and Using Shodan CLI on Linux: A Complete Walkthrough 0
- Linux Basics, Monitoring & Logging, Networking, Security & Hardening, System Administration, Troubleshooting, Web Servers
- June 7, 2025
Shodan is a powerful search engine designed to find internet-connected devices across the globe. It goes beyond conventional search engines by enabling the discovery of specific hardware and software configurations. This guide covers installing and effectively using Shodan’s Command-Line Interface (CLI) on Linux systems including Debian-based (like Ubuntu) and CentOS/RHEL.
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How to Investigate and Resolve SELinux Issues in Linux 0
- Best Practices & Patterns, Linux Basics, Security & Hardening, System Administration, Troubleshooting, Web Servers
- June 7, 2025
SELinux (Security-Enhanced Linux) is a powerful security feature of Red Hat Enterprise Linux and CentOS. It provides a mechanism to enforce mandatory access control policies. However, SELinux can occasionally block legitimate activities if misconfigured. Here’s how you can investigate and resolve SELinux issues effectively.
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Installing a GLPI instance on RHEL/CentOS Linux 0
- Linux Basics, System Administration, Web Servers
- June 4, 2025
GLPI (Gestionnaire Libre de Parc Informatique) is a powerful open-source IT asset management, issue tracking, and service desk system. This guide covers the installation of GLPI on a RHEL/CentOS-based server.
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How to Repair Linux File-system Issues at Boot 0
- Best Practices & Patterns, Linux Basics, System Administration, Troubleshooting
- June 3, 2025
File-system issues can cause a Linux system, such as Red Hat Enterprise Linux, to fail during boot, leading to system downtime and operational disruption. This guide provides step-by-step instructions on detecting, troubleshooting, and repairing common file-system problems encountered during boot.
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How to Set Up a CI/CD Pipeline with GitHub Actions (Node.js Example)0
- CI/CD Pipelines, Cloud Platforms, Configuration Management, Containers & Docker, DevOps Tools, Linux Basics, Shell Scripting, System Administration, Version Control (Git)
- May 29, 2025
Introduction to CI/CD and GitHub Actions Continuous Integration and Continuous Delivery (CI/CD) is a DevOps practice that automates the build, test, and deployment of code whenever changes are pushed to a repository. In simple terms, Continuous Integration (CI) means new code changes are automatically tested (and often merged), ensuring that integration issues are caught early, while Continuous
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How to Troubleshoot and Recover a Linux System That Won’t Boot 0
- Configuration Management, Linux Basics, Security & Hardening, System Administration, Web Servers
- May 29, 2025
When a Linux system refuses to boot, it can be daunting – but a methodical approach will often get you back up and running. This guide provides step-by-step troubleshooting for common boot issues on Ubuntu, CentOS, and RHEL, suitable for intermediate Linux users. We’ll cover preliminary checks (like hardware and BIOS/UEFI settings), using recovery
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