Networking

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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Configuring a Persistent Static IP on RHEL/CentOS/AlmaLinux with nmcli 0
- Best Practices & Patterns, Linux Basics, Networking, Security & Hardening, System Administration
- February 6, 2015
In production environments, servers often require a fixed (static) IP address for reliable network access. Using Red Hat’s NetworkManager CLI (nmcli), we can configure a static IPv4 address that persists across reboots. The following guide walks through identifying your network interface, setting a static IP, gateway, and DNS, and applying the changes with best practices
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