Added ssh to host

Jenkinsfile

@@ -104,13 +104,9 @@ pipeline {
             steps{
                 sshagent(credentials: ['ssh-cred']){
                      sh '''
-                        whoami
-                        echo $HOME
-                        ls -lah ~/.ssh
-
                         [ -d ~/.ssh ] || mkdir ~/.ssh && chmod 0700 ~/.ssh
                         ssh-keyscan -t rsa,dsa ${REMOTE_AGENT} >> ~/.ssh/known_hosts
-                        ssh -i jenkins_user ${USER}@${REMOTE_AGENT} "echo hello vm!"
+                        ssh -i /root/.ssh/jenkins_user ${USER}@${REMOTE_AGENT} "echo hello vm!"
                     '''
                 }
             }