Cutting-Edge Tutorials

We’ve further expanded our service offering and training to include an additional developer and sysadmin tutorials to help you fine-tune your skillset and ability.

242 tutorials
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How to Create a Node.js Restful API Using Express.js on Ubuntu 16.04 LTS
  In this tutorial, you will learn how to set up a complete RESTful API, which will serve HTTP requests using Node.js and Express while reverse proxying it with NGINX; all on Ubuntu 16.04 LTS. Yo... (more)
02 Sep 2018
0 45 0
How to Configure ‘FirewallD’ in RHEL/CentOS 7 and Fedora 21
  Step 1: Setting Default Zone If you would like to set the default zone as internal, external, drop, work, or any other zone, then you can use the below command to set the default zone. In... (more)
02 Sep 2018
0 41 0
Build a Real VPN with OpenVPN
A real, genuine, honest-to-gosh virtual private network (VPN) is an encrypted network-to-network virtual tunnel that connects trusted endpoints. It is not an HTTPS web portal that trusts all... (more)
01 Sep 2018
0 51 0
How to Install and Configure GoCD on Ubuntu 16.04
  GoCD is an open source continuous delivery and automation system. It allows you to model complex workflows using its parallel and sequential execution. Its value stream map allows you to easily ... (more)
01 Sep 2018
0 27 0
How to Install and Configure Concourse CI on Ubuntu 16.04
  Introduction Continuous Integration is a DevOps software development practice which enables the developers to frequently merge the modified code into the shared repository many times a day. Afte... (more)
01 Sep 2018
0 42 0
How to Deploy a .NET Core Web Application on CentOS 7
.NET Core is a redesigned open source cross-platform development framework maintained by Microsoft and the ever-growing .NET community. With the help of .NET Core, developers can easily buil... (more)
01 Sep 2018
0 34 0
Configuring IPv6 on your VPS
Each of these examples assumes an IPv6 subnet of ‘2001:db8:1000::/64’. You will need to update them with the subnet that you have been assigned. We will be using ‘2001:db8:1000::100’ as the m... (more)
28 Aug 2018
0 43 0
Monitor Your Devices Using LibreNMS on Ubuntu 16.04
LibreNMS is a full-featured, open source network monitoring system. It uses SNMP to obtain the data from different devices. A variety of devices are supported in LibreNMS such as Cisco, Linux, FreeBSD... (more)
28 Aug 2018
0 37 0
Setup Nginx-RTMP on CentOS 7
RTMP is great for serving live content. When RTMP is paired with FFmpeg, streams can be converted into various qualities. Vultr is great for these applications as they provide fast and dedicated CPU p... (more)
28 Aug 2018
0 48 0
How To Open Port in CentOS 7 With Firewalld
Want to learn how to  Open Port in CentOS 7 With Firewalld ? In this tutorial, we will show you how you can open a port in the default firewall in CentOS 7, Firewalld. You will see that... (more)
25 Aug 2018
4 178 0