Fix SSH agent startup and key addition

start-ssh-server.sh

@@ -1,10 +1,13 @@
 #!/bin/bash
 
-if ! pgrep -q ssh-agent; then
+if ! pgrep -x "ssh-agent" > /dev/null; then
     eval "$(ssh-agent -s)"
 fi
 
 # add all the keys to the agent
 for key in ~/.ssh/*; do
+    chmod 600 $key > /dev/null
     ssh-add $key > /dev/null
-done
+done
+
+echo "SSH agent started and all keys added."