This is an interesting article. For people migrating from Windows to Linux, the Apache Web server is entirely different world from Microsoft Internet Information Server. Apache can be alienating to IIS / Windows administrators, because migrating to Apache is more than just copying files. The IIS to Apache migration process needs to be handled with [...]
Whenever a Linux system CPU is occupied by a process, it is unavailable for processing other requests. Rest of pending requests must wait till CPU is free. This becomes a bottleneck in the system. Following command will help you to identify CPU utilization, so that you can troubleshoot CPU related performance problems.
Have you ever wondered why shutdown account exists on Linux server, especially under Red Hat Enterprise Linux distribution?
The answer is quite simple – shutdown account can shutdown server. Here is how you can enable the shutdown account: