11/1/2023 0 Comments Ubuntu monitor ram usage![]() Therefore, and as on so many occasions, the best way to manage RAM memory is head. If there is no RAM, it will probably "decide" on its own to close some program, but this can cause us to lose some information. That is to say, when we have many programs open, the operating system cannot or is not the one to decide what to do with each of them, and it tries to move them as it can. It can be different if the operating system does not know what to do with a heavy workload. Ubuntu, and Linux in general, manages RAM pretty well, so you usually don't need to do any of the above. It is important not to forget to run "sudo sync", or else we could lose information present in RAM that has not yet been saved to the hard drive. ![]() For release cached pages, inodes, and directory entries, just run the command: sudo syncįollowed by: sudo sysctl -w vm.drop_caches=3 The first command will return something similar to what we see in the header capture, while with the second we will see something very similar, but it will move in real time.Īs can be seen, there is a large amount of cached memory, about half of which is being used by open applications. To see the use in real time we use: watch -n 1 free -m 1 Find out how much is in use and then free up RAMįind out how much is in use and then free up RAMįirst of all, stop know how much memory is in use, how much is free and how much is saved in the cache we execute the command: free -m.
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