If you would like to check memory usage in Linux Mint 20, click here. If you would like to check memory usage in CentOS 8, click here. If you would like to check memory usage in Ubuntu 20.04 LTS, click here. Therefore, you can find out the available and used memory in Debian 10 at any time you want without any hassle. You can easily visualize from the way these methods have been explained that they are so simple and easy to carry out. If you ever wish to check the memory usage in Debian 10, then you can use any of the five methods that we have discussed with you today. You need to switch to the Resources tab where you will be able to see the memory statistics from which you can easily find out the memory usage in your Debian 10 system. When you will click on the System Monitor search result, the System Monitor window will appear on your screen. If you want to check the memory usage in Debian 10 via its GUI, then you need to look for the System Monitor utility from the Activities search bar as shown in the following image: Method # 5: Using the System Monitor Utility in Debian 10: Memory usage is displayed as two separate values: Mem for physical memory and Swap for swap memory. The available and used memory calculated with the “top” command is highlighted in the image shown below: That is why you can use it right away to check the memory usage in Debian 10 as follows: top Fortunately, we have access to numerous tools that we can use to check for total physical memory. The “top” command is yet another command that is installed by default in your Debian 10 system. Overview Sometimes, we might need to check for total memory size on a server running Linux or we might need to use memory stats in shell scripts. The available memory calculated with the “vmstat” command is highlighted in the image shown below: That is why you can use it right away to check the available memory in Debian 10 as follows: vmstat The “vmstat” command is also installed by default in your Debian 10 system. The available and used memory calculated with the “free” command is highlighted in the image shown below: That is why you can use it right away to check the memory usage in Debian 10 as follows: free The “free” command is installed by default on your Debian 10 system. However, we are only concerned with the memory usage which we have highlighted in the following image: This command will display lots of memory and system-related statistics. Now you can easily use this command to check the memory usage in Debian 10 like this: glances When the “glances” command will be installed on your Debian 10 system, its terminal will reveal the following output: Methods of Checking the memory usage in Debian 10:įor checking the amount of memory that is available or occupied in Debian 10, you can pick out any of the following five methods: Method # 1: Using the “glances” Command:įor using the “glances” command to check the memory usage, you have to install this command first as shown below: sudo apt-get install glances In this article, we are going to show you five different methods of checking the memory usage in Debian 10. Just open a terminal and type the following command: free -m This will print out a table of information about your system’s memory usage, including the amount of free memory. The available memory is defined as the amount of memory that is free or unoccupied. How To Check Memory Usage On Linux It’s easy to find out how much memory is available on a Linux system. That way we don’t start panicking when the server says 99% of memory is being used, but in reality that memory is being used by the Linux page cache.Just like the other distributions of the Linux operating system, there are several ways of checking the memory usage in Debian 10. When kbmemused is over 917504 KB or 896 MB, and kbcached is under 131072 KB or 128MB this command will output the memory usage stats from sar.ĭoing it this way we can ensure that we’re only looking at times when our actual free memory on the server has dipped below 128MB. The command below goes through your sar logs and shows anytime that your server’s memory is spiking. The kbcached column shows how much memory was cached. The %memused column shows how much memory was used as a percentage of total memory available. The kbmemused column shows how much memory was used. The kbmemfree column shows how much memory was free.
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