Install molly guard and add a file to sudoers.d.

020_molly-guard.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+# Molly-Guard try to block you from accidentally running or shutting down or rebooting Linux servers via ssh.
+apt-get install -y molly-guard
+
+# sudo and tmux stop  detection of the SSH session. (It also affects screen the same way - this is a known issue listed in man molly-guard.)
+cat > /etc/sudoers.d/molly-guard << EOF
+Defaults env_keep += SSH_CONNECTION
+EOF