How to create a tar file using the tar command

The tar utility is used to combine multiple files or directories into a single file. This allows for easy backup to remote systems or to just have a backup copy on the local machine should you need one. The ability to compress via bzip2, gzip or xz is built into the utility allowing you toContinue reading “How to create a tar file using the tar command”

What is Spanning Tree Protocol (Part 2)

In the previous post I described the problem STP solves, which is network loops and the devastation they can cause to a network. This post will be fairly brief as I’m going to go over the different iterations of STP over the years, both open standards and Cisco proprietary implementations. Below are the open standardsContinue reading “What is Spanning Tree Protocol (Part 2)”

What is Spanning Tree Protocol (Part1)

What is Spanning Tree Protocol and how does it work? In this first part I’ll go over what Spanning Tree Protocol (STP) is and why we need it. I’ll start with the last part first. To describe what STP is we have to discuss the problem for which it was created to solve.