December 22, 2022

How to Install Postfix Mail Server on a Debian Linux System

Linux General,

Let’s see the installation and configuration process for the Postfix mail server on a Debian Linux system.   Step 1: Postfix Installation   Step 1: Postfix Installation Postfix is regularly used due to its ease of use, minimal settings, and extensive usage. On your Debian-based Linux system, run the following command to install Postfix:  …

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July 21, 2022

Avoid these Foreign Key Mistakes – Database Error

Linux General,

Before you start building your database keep these answers ready i) where do you need to link the table, and ii) what if the table is removed?. Instead of using foreign keys are you still relying on the informal links between databases? To ensure you have set the foreign keys correctly let’s check if you…

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June 2, 2022

Set Up Nginx as a Reverse Proxy

Linux General,

Based on the web server’s operating system, you can set up Nginx in different ways. Here we will show you by installing the primary site at example.com domain name, while the proxied WordPress site is installed at abc.domain.com subdomain. Let’s see how to install and configure Nginx as a reverse proxy on the main server.…

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May 19, 2022

Advantages of Using a Reverse Proxy

Linux General,

A reverse proxy is required, especially for websites that receive a high volume of daily visitors. However, with a reverse proxy, this load is distributed among other servers to ensure peak performance. Another use for a reverse proxy server is to protect the server from malicious user attacks and also it provides plenty of other advantages.…

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May 10, 2022

Health Checks for Load Balancing

Linux General,

We usually check the health check log when there is an endpoint change in health status, but you should ensure that you don’t have any log exclusion that applies to health checks. Here you will see how to perform a health check for load balancing. You will require the need of health check when there…

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January 19, 2022

How to Fix Error 521 with WordPress & Cloudflare

Linux General,

When your web server, prevents your website from displaying the web page you would encounter the error 521. This is can be on the WordPress website as well. A website hosted in Cloudflare faces error 521 when the server is not found upon request and is unable to connect to the server of your website.…

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October 12, 2021

How to Install VestaCP on Ubuntu 18.04

Linux General,

VestaCP is an open-source control panel for Linux servers that have enough features to maintain a small server with one’s own customizations. It’s free and can be deployed not only in Ubuntu but also in Red hat/CentOS (version 5, 6, 7), and Debian versions. It is simple and powerful with its clean user interface control…

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September 28, 2021

Check LDAP user authentication

Linux General,

Make use of (Lightweight Directory Access Protocol) LDAP user authentication to validate the credentials submitted by the user. LDAP is mainly used in Microsoft’s Active Directory, but it can also be used with other tools like; Open LDAP, Red Hat Directory Servers, and IBM Tivoli Directory Servers for its open and cross-platform protocol. The LDAP…

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September 23, 2021

How to Increase & Prevent SSH Connection Timeout

Linux General,

You face SSH connection timeout due to inactivity and you need to start all over again. Here you will see how to increase & prevent SSH connection timeout.First, let’s see how you can increase the SSH timeout limit and keep your SSH session alive even if it is inactive. Increase SSH Connection Timeout: Increase SSH…

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June 30, 2021

How to remove Docker Containers / Docker Volume?

Linux General,

You can use these steps to quickly remove docker objects like docker container and docker volume that are accumulating your disk space. This will help any docker user to finely organize their system from unwanted storage. Let’s see each one by one. Remove Docker Containers: Remove Docker Containers When you try to stop them, the…

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