I'm planning to separate DHCP from DNS and the domain controller and want to follow current least-privilege guidance. How should administrative access and DNS registration credentials be configured…
For the last month or two, I've seen roughly ten times more vulnerability-scanning activity in my logs than usual. The increase started almost simultaneously across several different domains,…
Over the past month or two, I've noticed roughly ten times more vulnerability-scanning activity in my server logs than usual. The increase started fairly suddenly and is happening…
I've worked in Linux application support for about 800 days. Most of my experience involves monitoring disk usage, checking application logs, and supporting services running on Rocky Linux…
I've worked in Linux application support for about 800 days, mostly monitoring disk usage, checking application logs, and supporting services running on Rocky Linux and Red Hat systems.…
I'm learning Linux administration and want a practical environment where I can experiment instead of only memorizing commands. My current setup is an Android phone running Termux, connecting…
I'm hardening a Linux server and keep seeing advice to disable direct SSH login for root. If root authentication is restricted to SSH keys, how much safer is…
I'm working on an assignment for a DevOps role, where I need to secure a Linux server (or droplet) using best practices. This task will be evaluated by…