Merge pull request #228 from quarcu/master

Update ssh - agent forwarding

pages/common/ssh.md

@@ -26,3 +26,7 @@
 - ssh tunneling: forward a specific port (localhost:9999 to slashdot.org:80)
 
 `ssh -L {{9999}}:slashdot.org:80 {{username}}@{{remote_host}}`
+
+- ssh enable agent forward 
+
+`ssh -A {{username}}@{{remote_host}}`