Is it stored in plain text? If it uses scrypt / argon2 / pbkdf2 it is enough. Also, you may simply use a randomly generated password so your other accounts wont

Is it stored in plain text? If it uses scrypt / argon2 / pbkdf2 it is enough. Also, you may simply use a randomly generated password so your other accounts wont be hacked if someone hacks your linode server.