Cloud Platform - Add Swap File on CentOS 7



Cloud Platform - Add Swap File on CentOS 7

I will start with adding 4GB of swapfile

sudo fallocate -l 4G /swap.engineer.org.pk

to check 4GB equivalent to KB I will use below site:

https://www.gbmb.org/gb-to-kb

4GB = 4194304 KB (in binary)

So run below command now:

sudo dd if=/dev/zero of=/swap.engineer.org.pk bs=1024 count=4194304

wait for a while so that system creates a 4 GB file.

See correct permissions:

sudo chmod 600 /swap.engineer.org.pk

and

sudo mkswap /swap.engineer.org.pk
sudo swapon /swap.engineer.org.pk

you will need to add the swap file permanently, otherwise when the system will reboot this will be removed.

sudo nano /etc/fstab

you might need to install nano utility to install nano:

sudo yum install nano

after the nano is installed now run the same command to edit fstab file:

sudo nano /etc/fstab

move the cursor to the end of the file and paste:

/swap.engineer.org.pk swap swap defaults 0 0

to check if your swap file is added:

sudo swapon --show

you will need to setup how frequently the swap file should be used, to do that you can use below commands:

sudo nano /etc/sysctl.conf

Add below lines:

vm.swappiness = 20
vm.vfs_cache_pressure = 50
Cloud Platform - Add Swap File on CentOS 7

In case you want to remove the swap file for some reason you can remove by using this command:

sudo swapoff -v /swap.engineer.org.pk
sudo rm /swap.engineer.org.pk

and at the end reboot the system:

reboot

you will see the system performance will boost.

 

Learn more about Cloud Platform follow below links:

Cloud Platform – How to Create Account on Oracle Cloud – Part 1

https://engineer.org.pk/blog/2019/10/04/how-to-create-account-oracle-cloud/

Cloud Platform – Launch VM Instance on Oracle Cloud – Part 2

https://engineer.org.pk/blog/2019/10/07/cloud-platform-launch-vm-instance-part-2/

Originally Published at:

Cloud Platform – Add Swap File on CentOS 7

Posted in Technical Solutions on Feb 28, 2021



How to Install Python 3.10 on Ubuntu 20.04 LTS & Ubuntu 18.04

Posted in Technical Solutions on Jan 02, 2022

How to Install Python 3.10 on Ubuntu 20.04 LTS & Ubuntu 18.04 Python is a programming language that lets you work more quickly and integrate...



[SOLVED / FIXED ] ModuleNotFoundError: No module named 'setuptools_rust'

Posted in Technical Solutions on Apr 09, 2022

[SOLVED / FIXED ] ModuleNotFoundError: No module named 'setuptools_rust' Error: While installing docker-compose the following error can come up: ModuleNotFoundError: No module named 'setuptools_rust'



[SOLVED / FIXED] DataError: (1406, "Data too long for column 'name' at row 1")

Posted in Technical Solutions on Sep 14, 2022

DataError: (1406, "Data too long for column 'name' at row 1") Error: DataError: (1406, "Data too long for column 'name' at row 1") Problem Statement: When creating a Slug in Django Model with Slugify this error populates. Solution:



Best Affordable Web Hosting Provider 2022 - Pakistan

Posted in News on Oct 14, 2022

We are pleased to announce that Hosting by AliTech has won the CorporateVision's Global Business Award "Best Affordable Web Hosting Provider 2022 - Pakistan".



[SOLVED / FIXED] | Can't type in search bar Windows 10

Posted in Technical Solutions on Apr 01, 2021

[SOLVED / FIXED] | Cant type in search bar windows 10. Issue: When you type into search box in Windows 10 it doesn't write. Also similar issue when you type in Windows 10 settings you can't write.



UAE to grant citizenship to expat investors and professionals

Posted in News on Jan 30, 2021

UAE to grant citizenship to expat investors and professionals including engineers, doctors, artists "The UAE cabinet, local Emiri courts & executive councils will nominate those eligible for the citizenship under clear criteria set for each category. The law allows receivers of the UAE passport to keep their existing citizenship."



Cloud Platform - Add Swap File on CentOS 7

Posted in Technical Solutions on Feb 28, 2021

Cloud Platform - Add Swap File on CentOS 7, I will start with adding 4GB of swapfile, to check 4GB equivalent to KB I will use below site.



This is really awesome!!! We are now ranking 🚀5th 👊😍

Posted in About Hosting by AliTech, Hosting Promotions on Jun 07, 2021

This is really awesome!!! We are now ranking 5th on TheWebHostingDir.com. To celebrate this we are giving away 5 Free Shared Hosting Accounts on first come first serve basis.



Breaking! NFTs Coming to Instagram-META-Facebook Mark Zuckerberg - 2022

Posted in News on Mar 24, 2022

NFTs Coming to Instagram Soon, Says META - Facebook CEO Mark Zuckerberg According to news reports, Zuckerberg said, “We’re working...



Get 12 Months of AWS Wordpress Hosting for Free

Posted in Hosting Promotions, News, Technical Solutions on Sep 08, 2022

Introduction to AWS Free Tier AWS Free Tier includes many free services which are always free and many services which are offered free for 12 months plan.



[SOLVED / FIXED] django.core.exceptions.ImproperlyConfigured: Requested setting AUTH_USER_MODEL

Posted on Mar 27, 2022

[SOLVED / FIXED] django.core.exceptions.ImproperlyConfigured: Requested setting AUTH_USER_MODEL ERROR / PROBLEM: Starting the Python Shell in the terminal inside virtual environment.



Best Prices Now

Posted in Hosting Promotions on Sep 08, 2022

At HostingbyAliTech, you get low cost web hosting services with the power of Cloud. CyberPanel and LiteSpeed provide customers the best experience and optimized site performances. Along with best prices, you get most optimized performance. AliTech is serving since 2020 and it is a first choice of the clients who are after quality and speedy web hosting..



Low Cost Web Hosting with Advance Features

Posted in Hosting Promotions on Jan 28, 2021

HostingbyAliTech is providing you an amazing advance features at a low cost. The features, which are much expensively available in the web hosting industry.



[SOLVED / FIXED] mysqlclient ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.

Posted on Jun 09, 2022

[SOLVED / FIXED] mysqlclient ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.



Google Search Impact - Congrats on reaching 900 clicks in 28 days!

Posted in News on Mar 05, 2022

Google Search Impact - Congrats 900 clicks 28 days! - Awesome



How to Install Desktop Environment on CentOS 7 Oracle Cloud Instance

Posted in Technical Solutions on Feb 28, 2021

How to Install Desktop Environment on CentOS 7 Oracle Cloud Instance. This Orcle Cloud guide is also applicable Amazon AWS, Google Cloud and Microsoft Azure,etc



[SOLVED / FIXED] node is not recognised as internal command

Posted in Technical Solutions on Jul 13, 2022

[SOLVED / FIXED] node is not recognised as internal command



[SOLVED / FIXED] Django attempt to write a readonly database OpenLiteSpeed & CyberPanel

Posted in Technical Solutions on Jun 12, 2021

[SOLVED] Django attempt to write a readonly database OpenLiteSpeed & CyberPanel



Other Blogs

How to Install Python 3.10 on Ubuntu 20.04 LTS & Ubuntu 18.04

Posted in Technical Solutions on Jan 02, 2022 and updated on Jan 02, 2022

Best Affordable Web Hosting Provider 2022 - Pakistan

Posted in News on Oct 14, 2022 and updated on Oct 14, 2022

[SOLVED / FIXED] | Can't type in search bar Windows 10

Posted in Technical Solutions on Apr 01, 2021 and updated on Mar 26, 2022

UAE to grant citizenship to expat investors and professionals

Posted in News on Jan 30, 2021 and updated on Mar 30, 2022

Cloud Platform - Add Swap File on CentOS 7

Posted in Technical Solutions on Feb 28, 2021 and updated on Aug 26, 2022

Breaking! NFTs Coming to Instagram-META-Facebook Mark Zuckerberg - 2022

Posted in News on Mar 24, 2022 and updated on Mar 24, 2022

Get 12 Months of AWS Wordpress Hosting for Free

Posted in Hosting Promotions, News, Technical Solutions on Sep 08, 2022 and updated on Sep 07, 2022

Best Prices Now

Posted in Hosting Promotions on Sep 08, 2022 and updated on Sep 07, 2022

Low Cost Web Hosting with Advance Features

Posted in Hosting Promotions on Jan 28, 2021 and updated on Mar 30, 2022

Google Search Impact - Congrats on reaching 900 clicks in 28 days!

Posted in News on Mar 05, 2022 and updated on Mar 18, 2022

[SOLVED / FIXED] node is not recognised as internal command

Posted in Technical Solutions on Jul 13, 2022 and updated on Jul 13, 2022

Best Prices Now

Posted in Hosting Promotions on Sep 08, 2022

Best Prices Now

Posted in Hosting Promotions on Sep 08, 2022






Comments

Please sign in to comment!






Subscribe To Our Newsletter

Stay in touch with us to get latest news and discount coupons