Before diving into the tools themselves, it's crucial to understand the key metrics that indicate the health of a Linux system. These include CPU utilization, memory usage, disk activity, and network ...

Let’s look at some basic commands that report on memory usage. The first that probably comes to mind is free. The free command will tell you about used and unused memory and about swap space. Physical ...

The top command is one of the most useful commands for getting a quick glimpse into how your Unix server is performing. The Linux top command has been around since 1984, helping Linux admins gauge ...

I've been using a minimal install of FreeBSD as a file server lately, and while I'm happy with it, I decided to try out Debian as well (just to learn more about Linux). <BR><BR>What surprised me is ...

I have linux (Slackware 8.0 to be specific) installed on my computer with 384MB ram and a 768MB swap (actually slightly more but I told fdisk 768 when I created the partition). I ran 'free' in the ...