SSH command for detailed memory information of server

Use below SSH command to find detailed memory information / usage of your server / VPS. It will show you total memory, free memory, used memory, cached memory etc.

cat /proc/meminfo

This command is very useful as it shows large amount of valuable information about the server RAM usage, like:

  • Total usable RAM
  • Free memory
  • Buffer memory
  • Cached memory
  • Swap used as cache memory
  • Total cache memory that is active
  • Total cache memory that is free
  • Total amount of memory in the high region
  • The total amount of non-highmem memory.
  • The amount of free memory of the low memory region.
  • Total amount of physical swap memory.
  • Dirt: The total amount of memory waiting to be written back to the disk.
  • Writeback: The total amount of memory actively being written back to the disk.
  • etc..

ssh-proc

Another useful command

Another very good SSH command to find detailed memory information is:

vmstat -s

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