diff --git a/devops-service/commands/ssh.rb b/devops-service/commands/ssh.rb
new file mode 100644
index 0000000..db52855
--- /dev/null
+++ b/devops-service/commands/ssh.rb
@@ -0,0 +1,14 @@
+module SshCommands
+
+  def ssh_test server, params
+    res, code = ssh_execute(server, "test #{params}")
+    code == 0
+  end
+
+  def ssh_execute server, cmd
+    key_path = File.join(DevopsCid.config[:keys_dir], server[:private_key])
+    res = `ssh -i #{key_path} #{server[:remote_user]}@#{server[:host]} '#{cmd}'`
+    return res, $?
+  end
+
+end