This column is the first in a series of columns dedicated to one of my favorite subjects: troubleshooting. I'm a systems administrator during the day, and although I enjoy many aspects of my job, it's ...

Monitoring, anticipating, and reacting to server load is a full time job in some organizations. Unexpected spikes in resource usage can indicate a software or hardware problem. Gradual increases over ...

There are quite a number of ways to look at running processes on Linux systems – to see what’s running, the resources that processes are using, how the system is affected by the load and how memory is ...

There are several commands for checking up on memory usage in a Linux system. Focusing on which processes and users are consuming the most memory can benefit from a few carefully crafted tools and ...