Configuring Postfix in RHEL 7 to relay emails through Zoho Mail

Below is a guide on how to setup Postfix mail server on RHEL 7 to relay emails through Zoho Mail. There are a number of reasons as to why you…

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How to create a perfect Mail Server using CWP

Normally, when we send emails, we expect them to reach within a few seconds to the recipient’s inbox. However, it is not obvious that your email reaches your recipients inbox….

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How to create a local domain for XAMPP in Centos 7/RHEL 7

Instead of using the local domain localhost for your local development environment, you may create a custom domain name, named anything else and use it instead. In this example, we…

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How to Create or Remove SWAP File in Centos 7

Swap refers to disk space used when the RAM is full. Inactive pages in RAM are pushed to swap to free up some RAM space for current processes to use….

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How to Disable MySQL Strict Mode on Centos 7

Strict Mode in MySQL controls how MySQL handles invalid or missing values in statements such as INSERT and UPDATE. If strict mode is not in effect, MySQL inserts adjusted values…

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Understanding the Linux Inode

An inode in Linux is a file structure that holds data about a file. In Linux, everything is treated as a file. This includes directories and devices such as keyboard,…

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Configuring date and time in RHEL 7/Centos 7

Knowing how to manage time via the command line is a useful skill to acquire. To best understand time, we need to understand the two types of clocks specified in…

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How to configure static IP addresses in CentOS 6

CentOS 6 minimal by default does not come with the network pre-configured. In this guide, we will be showing you how to set a static IP address in CentOS 6…

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How to create a Web server using Nginx on Centos 7

In our project, the web server will be running on Nginx. Of course Apache is another great web server, but here, I’ll use Nginx v1.12.2. If you’d like the Apache…

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How to add a user to Sudoers in CentOS

Sudo is a command line program that allows an ordinary user to execute commands that require superuser privileges. Running your system as a non-root user is good practice for a…

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