Configuring Bonded Interfaces and VLANs Together on RHEL 9
Learn how to configure a bonded interface with VLAN tagging on RHEL 9: a step‑by‑step guide using nmcli and nmstatectl, architectural best practices, troubleshooting tips, and examples. Table of Contents 🔈Introduction In modern data centers, combining interface bonding (link aggregation or redundancy) with 802.1Q VLAN tagging is a common requirement. In RHEL 9, you can create a bond […]
Harden SSH on Ubuntu 24.04: Disable Root, Use Key Auth, Restrict IPs
Learn how to harden SSH on Ubuntu 24.04. Disable root login, enforce SSH key authentication, and restrict IP access for maximum protection. Table of Contents 🔈Introduction Secure Shell (SSH) is the backbone of remote system management, but an exposed or misconfigured SSH service is a prime target for attackers. Ubuntu 24.04, as a modern Linux […]