Update README.md

README.md

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-# psb6351_mattfeld
+# psb6351_mattfeld
+
+## Welcome to the PSB6351 class repository
+
+We will use this repo to share code, submit homework assignments, and setup your environments
+
+To begin you will need to setup git on your High Performance Computer (HPC) account
+
+1. [Set up](https://help.github.com/articles/set-up-git/) git on HPC
+
+    Perform steps 2-4 in Setting up git.
+
+2. Set up your ssh [key](https://help.github.com/articles/connecting-to-github-with-ssh/)
+
+    Make your passkey easy to remember.
+    First Generate a new SSH key - Follow steps 1-4
+
+    Next add your ssh key to your github account - Follow steps 1-8
+
+    Next test your SSH connection - Follow steps 1-5
+
+3. Modify your ~/.ssh/config file
+
+    ```bash
+    ssh -T -p 443 [email protected]
+    ```
+
+    You should see:
+
+    > Hi username! You've successfully authenticated, but GitHub does not provide shell access.
+    
+    Add the following lines to your ~/.ssh/config file
+    
+    ```bash
+    vi ~/.ssh/config
+    ```
+
+    Host github.com
+    
+    Hostname ssh.github.com
+    
+    Port 443
+    
+4. Fork the psb6351_env repository
+
+    In a terminal type
+    
+    ```bash
+    cd place/to/keep/repository
+    git clone ssh://[email protected]/PSB6351/psb6351_env.git
+    cd psb6351_env
+    git remote add upstream ssh://[email protected]/PSB6351/psb6351_env.git
+    ```
+5. Chane repo configuration to ssh
+
+    Open .git/config
+    
+    find url= entry under section [remote "origin"]
+    
+    Change it from 
+    
+    url=https://github.com/PSB6351/psb6351_env.git
+    
+    to
+    
+    ssh://[email protected]/PSB6351/psb6351_env.git
+    
+    
+