vmstat

How do I display Apache server status such as current server activity and performance under Red Hat Enterprise Linux?

{ 13 comments }

How do I find out System / Server Memory Utilization under RHEL / CentOS / any other Linux distribution?

{ 6 comments }

Q. I am new to Linux. What tools or commands are recommended to troubleshoot performance related problems?

{ 10 comments }

How do I check used and free RAM memory usage under Linux operating systems using command line and GUI tools?

{ 72 comments }