For AppArmor (Ubuntu/Debian):
ssh -v root@<linux_source_ip> If you are prompted for a password or receive Permission denied , correct authentication first. For AppArmor (Ubuntu/Debian): ssh -v root@<
echo $SHELL # Should show /bin/bash If root uses a different shell (e.g., /bin/sh ), change it: For AppArmor (Ubuntu/Debian): ssh -v root@<