How to remove Swap Space from Centos 7.x?

Please refer to the following steps to remove Swap space from Centos 7.x

  1. At first, check if your system is running with the swap space or not with the below command. It will list the swap space with its location.

    swapon -s


  2. As per the above location, swap space is located at /dev/vdb location since it is a virtual server. Now, we will disable the swap space by executing the below command.

    swapoff -v /dev/vdb
  3. After that, you can check with the free command to verify that swap is disabled.

    free -m 


  4. Remove swap entry from /etc/fstab. To do this edit the file fstab and remove the swap entry.



  5. Let’s regenerate mount units to registers the new configuration:

    systemctl daemon-reload
  6. Finally, remove the actual swap file.

    rm -rf /dev/vdb

    This is it. We have successfully removed the swap space.

Looking to add a new swap space. Please refer to Accuweb > Add Swap Space article for more details.

Related Articles

How to Apply Linux Kernel Security Patches? Manually and Automatically without reboot?

As we know, we do receive Linux kernel updates time and time again and it is essential to update...

How to Manage Linux VPS (SSD and Traditional) From Client Area?

This article will assist you to manage your Linux VPS (SSD and Traditional) from client area...

How to Install and Configure Fail2ban on Ubuntu?

You require to protect your server from a Brute force attack from the internet. You can do it...

How to change the MySQL timeout limit in Linux?

Please refer to the following article to change the MySQL timeout error.  Log in to your...

How To install Nginx on CentOS 7?

Nginx is a Web server that can be installed on Linux Server. You may have heard about Apache Web...

  • 0 Users Found This Useful

Was this answer helpful?