How do I find out System / Server Memory Utilization

free command example

Type the free command at shell prompt:


$ free


$ free -m


Output:

             total       used       free     shared    buffers     cached
Mem:          2010       1965         45          0        152        776
-/+ buffers/cache:       1036        974
Swap:         2047        137       1910

vmstat command

vmstat command provides more information :


$ vmstat


Output:

procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------
 r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa st
 0  0 140480  43636 158196 797692    1    0   108   220    1    4  7  5 87  1  0

Was this answer helpful?

 Print this Article

Also Read

How Do I Block an IP Address on My Linux server?

How do I block an IP address or subnet under Linux operating system? In order to block an IP on...

PHP Security: Limit Resources Used By Script

How do I control and put limits on php scripts such as maximum execution time of each script and...

Iptables Limits Connections Per IP

How do I restrict the number of connections used by a single IP address to my server for port 80...

CentOS / Redhat: Install KVM Virtualization Software

Required Packages You must install the following packages: kmod-kvm : kvm kernel module(s)...

Linux / UNIX set the DNS from the command line

Check this link for more information...