Category: Servers

How To Enable TLS Encryption On Postfix

In this guide, I will show you a quick and easy way to enable TLS encryption on your Postfix server. The reason why you would want to enable this is that some email servers automatically mark incoming emails as spam if they are not encrypted with TLS as well as this helps prevent people from intercepting email traffic from your …

How To Check IP Address In Linux

In this guide I will be showing you how to check both your internal and external IP addresses in Linux. The difference between these two types of IP addresses are that external IP addresses are the IP addresses that servers and other computers will see whenever there is a connection, while the internal is for communicating with your switch, router, …

How To Change Time Zone In Linux

Today I will be showing you how to quickly and easily change your time zone on a Linux system. To do this we will be searching for the closest time zone file New York for example, and then copying it over /etc/localtime. This file is what your system uses to get the local time, you should not try to edit …

Restarting vs Reloading A Linux Service

If you are making changes to configuration files such as Apache or Postfix for example, you will need to either restart or reload the service for the changes to take effect. So what is the difference between a Linux service reload and a Linux service restart?

Disable Server Tokens and Server Signature For Apache

In this post I will be showing you how to quickly disable the server signature and server tokens for your Apache web server. For those who don’t know what these are its a line at the bottom of your error pages stating what your OS is, what version of Apache you are running, as-well as the same information in your …

Backup And Restore MySQL and MariaDB Databases

In today’s guide I will be showing you how to backup MySQL databases and backup MariaDB databases. I will also show you how to restore MySQL databases and restore MariaDB databases. This process is actually very easy with only 2 commands, and it is definitely recommended that you backup your databases if you are planning on migrating from MySQL to …

How To Create A Swap File In Linux

Today I will be showing you how to create a swap file in Linux. There are many reasons why you may want to use a swap file, one of those reasons may be that you are using a droplet or VPS with a low amount of RAM.

Running Commands Automatically Over SSH

In this quick and simple post I will be showing you an easy way to automatically run commands over SSH. This method works great with bash loops if you need to run the same commands over multiple servers. Using this method automatically disconnects once the command or commands are finished executing, you will receive the full output however.

Useful iLO Commands For HP Proliant Servers

Today I will be showing you some of the more useful iLO (integrated lights out) commands that you can use to manage your HP Proliant servers. This is somewhat similar to IPMI and iLO will emulate IPMI if you prefer, however some things simply do not work when using IPMI commands such as changing the boot order. For more information …