Tag: server

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 …

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 Reboot Or Shutdown A Linux Server

In this guide I will be showing you how to reboot as-well as how to shutdown a Linux server using the command line. There are actually a couple of different ways you can do this, you can do this by logging into the server over SSH as-well as using remote IPMI commands to power cycle the server.

How To Check Your PHP Version

There may come a time where you need to know which PHP version your web server is running. In this guide I will be showing you multiple ways to check which PHP version your Linux server is running.

Install And Use Rootkit Hunter On Linux Server

In this post I will show you how to install and run Rootkit Hunter on your Linux based servers. Rootkit Hunter does what it’s name suggests, hunts for potential rootkits on your server. If you are infected you can try to clean it but you really may want to nuke the server and start from scratch or revert to a …

Install And Enable SAR (SYSSTAT) On Linux Servers

In this guide I will be showing you how to install and enable the SAR utility/command on Linux servers. The SAR command can be used to look at performance history, and is really useful for identifying when CPU spikes occurred and more. And example of one of the outputs that SAR is capable of delivering is below.

Remove OS Information From Postfix Banner

In this post I will be showing you how to remove your server’s OS information from the postfix banner. While this isn’t enough to stop somebody from finding out your server OS by itself, it never hurts to make things just a tiny bit more difficult.

Install Clam-AV And Setup Daily Automated Scans

In this post I will be showing you how to setup Clam-AV on an Ubuntu server as-well as how to run automated daily scans with email alerting. This may sound like it’s complicated but its really not, you can have everything setup within 5 minutes so no need to fear!

Disable/Fix SSH Timeouts On Ubuntu Server

If you get even remotely as annoyed as I do when you recieve an SSH timeout or disconnect then this post is for you. Below is how to quickly and easily fix the SSH timeout issue on the server side. This solution will not disable the timeouts entirely though, instead it just sets the threshold extremely high. While you can …

Generate Free SSL Certificate For Apache

In this quick and simple post I will show you how to generate a free SSL certificate for Apache using letsencrypt and certbot, this will allow your users to view your website or blog over a secure and encrypted HTTPS connection instead of a standard insecure HTTP connection. For the purpose of this guide I will assume you are using …