This article will talk about Prepare to install Zimbra mail server 8.8.12 Introducing Zimbra mail server For those who don’t know about Zimbra, I’ll talk briefly about it so you can understand it. Zimbra is an open source solution for mail servers. You can get used to Gsuite from Google or Microsoft Office 365. For

Before we go into installing the Rocket Chat system, the first thing to do is to determine the system resource. This article I will talk about sizing the Rocket chat system. Determine the size of your organization You need to determine how many users your company has? 50, 100, 500, 1000, 2000 or 5000 users.

Have you heard of Rocket Chat? What is it? This article will introduce to you about the Rocket Chat system. Demand from companies Many companies have employees who use Skype to chat with each other, send and receive job information. It is a great tool. But there is a problem, information can be leaked by

This article will show you how to search for a container image. Thereby you will get the image you need to launch the container. Docker Hub First, I have to talk about Docker Hub. This is a huge Docker library, it contains image containers here and allows you to download. Docker Hub is a place

How to install MongoDB in CentOS 7? This article will guide you step by step how to install it successfully. MongoDB is a well-known database type, many large systems are using it, especially the development of IoT. Add MongoDB repository to the server First, just like database types like MariaDB, MongoDB allows you to install

How to fix error disk read-only in VestaCP server after reboot? Today I will share with you an error I encountered when using VestaCP. Describe the error situation I use a CentOS 7.6.1810 (Core) server and VestaCP 0.9.8-23. Today I modified the nginx file configuration of a website in VestaCP and restarted the server. After

How to update VestaCP to MariaDB 10.3? In this article, I will guide you step by step to do that. Update VestaCP to MariaDB 10.3 By default, VestaCP will install version MariaDB 5.5.60. A lot of people want to use the latest version of MariaDB. The current stable version is currently 10.3. And I will

In this article, I will show you how to update VestaCP to PHP 7.3. By default with the current version (the time of this article), VestaCP will install PHP 5.6.40. This may not seem optimal when PHP 7.3 was born. And it has also demonstrated higher performance. Update VestaCP to PHP 7.3 Recommended Reading: How to

This article will show you how to install VestaCP in CentOS 7 quickly. You have briefly read about VestaCP that I wrote earlier. Now, we will try to install it in CentOS 7 and see how it works. Server requirement A VPS has the following configuration (this is the usual configuration): OS: CentOS 7.6.1810 (Core)