Blog

How to Edit the Hosts File


The purpose of this post is to show you how to edit the hosts file on a Windows client. The hosts file is where the computer looks first to resolve hostnames. It is important to know this because it could be a very valuable troubleshooting step. There are several reasons…

Set up NTP on CentOS 7


I'm going to show you how to sync your CentOS 7 server with either an internal or external time source. ¬†If your server is part of an enterprise environment, I would suggest syncing ton an internal NTP server such as your domain controller. I was inspired to write up this…

Configure a VLAN on a Cisco Switch


  This post will provide you with the necessary steps to¬†successfully configure a new vlan for your network. Note: VLANS normally have a 1:1 relationship with a subnet. It is possible to have two subnets on the same vlan, but it is not recommended or best practice. There are two…

Backup IOS with TFTP


Hi all! Here is a short tutorial of how to backup your Cisco IOS running configuration to a TFTP Server. Don't let the word "Server" overwhelm you. Your TFTP server could very well be the laptop that your staring into right now. The "Server" part is simply a TFTP program…