While monitoring a http/php server, I needed to do some statistics about php-cgi memory usage. Playing with memory_limit in PHP, we wanted to know the average memory usage per php-cgi process. This is easily calculated with our best friend awk. First, get the number of php running processes: # ps aux | grep php-cgi | …
memory
How to know the maximum RAM supported by your server?
The dmidecode command gives you all informations available about your memory. With the special parameter “-t 16”, you can see the maximum (physical) memory that your server can have: $ dmidecode -t 16 # dmidecode 2.8 SMBIOS 2.4 present. Handle 0x1000, DMI type 16, 15 bytes Physical Memory Array Location: System Board Or Motherboard Use: …