In this article, we have explained how to add swap memory in Ubuntu 20.04. Swap space is used in Linux systems as an overflow when the physical RAM is fully utilised. It helps improve system performance and stability, especially on systems with limited RAM.<\/p>\n
Follow the guide:<\/strong><\/p>\n If nothing is returned, there is no swap currently active.<\/li>\n<\/ol>\n<\/li>\n In such a manner, you can add Swap Memory in Ubuntu 20.04. If you need help, do contact our support specialists.<\/p>\n Need to configure local domain mapping? Check How to update hosts file entry on Windows, Ubuntu and Mac<\/a><\/strong><\/em><\/p>\n","protected":false},"excerpt":{"rendered":" In this article, we have explained how to add swap memory in Ubuntu 20.04. Swap space is used in Linux systems as an overflow when the physical RAM is fully…<\/p>\n\n
\n
sudo swapon \u2013show<\/pre>\n
\n
sudo fallocate -l 2G \/swapfile<\/pre>\n<\/li>\n
sudo dd if=\/dev\/zero of=\/swapfile bs=1M count=2048<\/pre>\n<\/li>\n<\/ol>\n<\/li>\n
\nSet permissions to keep the file secure:<\/p>\nsudo chmod 600 \/swapfile<\/pre>\n<\/li>\n
\nFormat the file to swap:<\/p>\nsudo mkswap \/swapfile<\/pre>\n<\/li>\n
\n
sudo swapon \/swapfile<\/pre>\n<\/li>\n
sudo swapon \u2013show<\/pre>\n<\/li>\n<\/ol>\n<\/li>\n
To enable the swap file on every boot, add it to \/etc\/fstab:\r\necho \u2018\/swapfile none swap sw 0 0\u2019 | sudo tee -a \/etc\/fstab<\/pre>\n<\/li>\n
\n
sudo sysctl vm.swappiness=10<\/pre>\n<\/li>\n
echo \u2018vm.swappiness=10\u2019 | sudo tee -a \/etc\/sysctl.conf<\/pre>\n<\/li>\n<\/ol>\n<\/li>\n
\n
sudo swapoff \/swapfile<\/pre>\n<\/li>\n
sudo rm \/swapfile<\/pre>\n<\/li>\n
\nInstead of relying on swap, consider using a Linux VPS with scalable RAM and dedicated resources<\/a>.<\/div>\n