ssh client and ssh server sed -i "/sshd/d" /etc/passwd sed -i "/sshd/d" /etc/group echo "sshd:x:13:13:sshd::/bin/false" >> /etc/passwd echo "sshd:x:13:" >> /etc/group /etc/ssh/ssh_host*key* sed -i "/sshd/d" /etc/passwd sed -i "/sshd/d" /etc/group