linux vps

What is the OOM Killer on Linux?

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What is the OOM Killer on Linux?

This tutorial is about the OOM killer and how it can impact our Linux operating system.

OOM killer is a shortcut to Out of Memory Killer and is a Linux component designed to prevent RAM exhaustion. The OOM Killer has one task, and that task is to check if there is enough available memory, and if there is not, then select a process to kill to free up some RAM. The situations with exhausted memory occur because the Linux kernel has over-allocated too much for its processes. In the following paragraphs, we will talk about memory over-allocation, the lifecycle of the OOM killer, how it selects which process should be killed, the OOM killer messages, etc.

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Your PHP installation appears to be missing the MySQL extension which Is required by WordPress

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your php installation appears to be missing the mysql extension

If you have received the “Your PHP installation appears to be missing the MySQL extension which Is required by WordPress” error, then this tutorial will be able to help you fix that. This error is triggered when the PHP code in your site is not compatible with the version of PHP your WordPress site is currently using.

More specifically, this problem is related to the outdated MySQL extension which was removed as of PHP 7.0. In this tutorial, we will help you fix the problem with the PHP missing MySQL extension error, and help you complete the WordPress installation successfully.

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WordPress 500 Internal Server Error

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WordPress 500 Internal Server Error

WordPress 500 Internal Server Error, is very common WordPress error. We’ll show you, How to fix, WordPress 500 Internal Server Error. WordPress is a content management system (CMS) used by millions of people because it is free, customizable and easy to use. Although there is documentation for pretty much everything, many people find it difficult to manage their own sites. This may lead to their sites being down which is something nobody likes. One of the most common problems that occurs with WordPress is 500 Internal Server Error. In this guide we will show you few tips on how to fix 500 Internal Server Error and get your WordPress site up and running on your Linux VPS. Fixing WordPress 500 Internal Server Error, is really an easy task, just follow the steps below carefully.

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How to Speed Up WordPress with Redis Caching

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How to Speed Up WordPress with Redis Caching

How to Speed Up WordPress with Redis Caching in few easy steps. Redis is an in-memory database which can be used as a data store or cache. Redis is an ideal solution to speed up WordPress and any other software that supports Redis caching. In this tutorial we are going to show you how to setup WordPress caching with Redis on a Linux based VPS.

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How to install Pip on CentOS 7

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How to Install pip on centos 7

install pip on centosWe’ll show you, how to install Pip on CentOS 7. Pip is a very powerful package management system used to install and manage software packages written in the Python programming language. Installing Pip on CentOS 7 is really an easy task, just follow the steps below carefully and you should have Pip installed on CentOS 7 in a few minutes.

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Install PHP 7.1 with Nginx on Ubuntu 16.04

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Install PHP 7.1 with Nginx on an Ubuntu 16.04 VPS
We’ll show you how to install PHP 7.1 with Nginx on Ubuntu 16.04. PHP 7.1 comes with many new features and improvements and as a result of this many developers are using it for their projects. Installing  PHP 7.1 with Nginx on an Ubuntu 16.04 VPS, is an easy task, just follow the steps below and you should have it done in a few minutes.

For more updates, you can also consider reading our post on how to install PHP 8 on Ubuntu 20.04

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