How to find the amount of _real_ free memory
How can I find out how much free memory there actually is on my linux server? We going to launce an application on the server, but need to make sure that there is enough free memory for it to run.
"top" indicates that only around 1.5 GB of memory is used, while "free" says that 2.6 GB of memory is used. |
try the command free... or free --help for more options.. :)
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The "free" command says that 2.6 GBs of memory is used, while summarizing output from the "top" command shows that only around 1.5 GBs of memory are actually in use. |
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-/+ buffers/cache: It should give you a pretty good idea of how much memory is not used by applications. |
This has been posted before, but here it is again:
Code:
bash-3.1$ free |
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