chg: Hostnames In Documentation Continued

Updated command that require sudo when running as vagrant user.

.gitignore

@@ -3,16 +3,13 @@
 .idea/
 .vagrant/
 
-admin-csr.json
-admin-key.pem              
+admin.key
 admin.csr                  
-admin.pem                  
+admin.crt
 admin.kubeconfig
-ca-config.json             
-ca-csr.json                
-ca-key.pem                 
+ca.key
 ca.csr                     
-ca.pem                     
+ca.crt
 /encryption-config.yaml
 kube-controller-manager-csr.json
 kube-controller-manager-key.pem
@@ -29,27 +26,11 @@ kube-proxy-key.pem
 kube-proxy.csr             
 kube-proxy.kubeconfig      
 kube-proxy.pem             
-kubernetes-csr.json        
-kubernetes-key.pem         
-kubernetes.csr             
-kubernetes.pem             
-worker-0-csr.json          
-worker-0-key.pem
-worker-0.csr
-worker-0.kubeconfig
-worker-0.pem
-worker-1-csr.json
-worker-1-key.pem
-worker-1.csr
-worker-1.kubeconfig
-worker-1.pem
-worker-2-csr.json
-worker-2-key.pem
-worker-2.csr
-worker-2.kubeconfig
-worker-2.pem
-service-account-key.pem
+node02.key
+node02.csr
+node02.kubeconfig
+node02.crt
+service-account.key
 service-account.csr
-service-account.pem
-service-account-csr.json
+service-account.crt
 *.swp