[CentOS] Finding memory usage

[Warren Young]

On Jul 27, 2018, at 9:10 AM, Bowie Bailey <Bowie_Bailey at BUC.com> wrote:
> 
> I have a CentOS 7 server that is running out of memory

How do you know that?  Give a specific symptom.

> Running "free -h" gives me this:
>               total        used        free      shared  buff/cache  
> available
> Mem:           3.4G        2.4G        123M        5.9M  

This is such a common misunderstanding that it has its own web site:

    https://www.linuxatemyram.com/