Swap

Swap setup, tuning, and memory management.

Apr 27, 2026 • 6 min read

How to Add Swap Space on Ubuntu

This article explains how to add swap space on Ubuntu by creating, enabling, and persisting a swap file.

Apr 4, 2026 • 5 min read

Create a Linux Swap File

How to create and enable a swap file on Linux, configure swappiness, resize an existing swap file, and remove it when no longer needed.

Mar 10, 2026 • 4 min read

How to Change the Swappiness Value in Linux

Check and change the swappiness value in Linux with `sysctl`, including temporary and persistent methods and recommended values for desktops, servers, and database workloads.

May 12, 2020 • 4 min read

How to Add Swap Space on Ubuntu 20.04

This tutorial explains how to add a swap file on Ubuntu 20.04 systems. Swap is a space on a disk that is used when the amount of physical RAM memory is full.

Feb 6, 2020 • 4 min read

How to Add Swap Space on Ubuntu 18.04

Swap is a space on a disk that is used when the amount of physical RAM memory is full. This tutorial covers the steps necessary to add a swap file to Ubuntu 18.04.

Dec 6, 2019 • 3 min read

How to Add Swap Space on CentOS 8

Swap is a space on a disk that is used when the amount of physical RAM memory is full. This article covers the steps for adding a swap file on CentOS 8 systems.

Jul 17, 2019 • 4 min read

How to Add Swap Space on Debian 10 Linux

Swap is a space on a disk that is used when the amount of physical memory is full. This tutorial will guide you through the steps of adding a swap file on Debian 10 Buster.

Feb 19, 2019 • 4 min read

How to Add Swap Space on Debian 9

Swap is a space on a disk that is used when the amount of physical RAM memory is full. This tutorial outlines the steps necessary to add a swap file on Debian 9 systems.

Feb 19, 2019 • 4 min read

How to Add Swap Space on CentOS 7

Swap is a space on a disk that is used when the amount of physical RAM memory is full. This tutorial explains how to add a swap file on CentOS 7 systems.