![]() Similarly to the creation of filesystems, changes won’t be made permanent if you don’t append some changes to the fstab file. If a partition is already existing, you should get at least one line as a result. In order to see existing swap partitions available on your host, run the following command $ sudo swapon -show ![]() If you are not getting any errors messages, you are good to go. Make sure this is the case by running the following command $ sudo -v In order to add swap space on Debian 10 Buster, you need to have sudo privileges on your host. Now that you have some basics on what the swap space is and how the swap space works on Linux, let’s see on you can create some swap space on Debian 10. The threshold to determine when programs should be switched from RAM to Swap is called the swappiness, but configuring ths swappiness will be reserved for another tutorial. ![]() When running your 1 GB program, your operating system (Linux here) will “ move” or “ swap” one of the programs to a dedicated part of your hard drive (your swap partition) and run your 1 GB program on the newly allocated space.Īs you can imagine, the OS can switch programs from swap to RAM and vice versa. You could buy some RAM (which is expensive), or you could choose to create some swap space on your host. If you are trying to run a program that is taking 1 GB on normal usage, you won’t be able to do it as you don’t have the space necessary for the program.
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