GSMShield_ArduinoUno

How to install, setup and configure an OpenVPN Service on CentOS 5

In this tutorial, we will learn how to install, setup and configure an OpenVPN Service on CentOS 5 as well as configuring the firewall to allow vpn traffic. Clients configuration will be done in the linked article, available at the bottom of this tutorial. Topology used in this scenario: 1 Ethernet card (eth0) connected to […]

Migrating from GitLab to GitHub (Without the Baggage of Large Files)

When working with large data or heavy dependencies, it’s not uncommon for repositories to exceed GitHub’s 100MB file size limit. If you’re migrating from GitLab to GitHub and encounter this issue, you’ll need to clean your repo history and strip out large files before pushing. In this post, I’ll walk you through how to successfully […]

Adding a New Disk Drive to a CentOS 6 / 7 System

Finding the New Hard Drive in CentOS # ls /dev/sd* /dev/sda /dev/sda1 /dev/sda2 /dev/sdb Creating Linux Partitions # su – # fdisk /dev/sdb Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel Building a new DOS disklabel with disk identifier 0xd1082b01. Changes will remain in memory only, until you decide […]