1. Configure the rsh service on the server
# yum -y install rsh-server
# systemctl enable rsh.socket --now
# vim /root/.rhosts
##### remotehost remoteuser#######
192.168.0.130 root
접속할 IP 대역과 접속할 USER를 적어준다.
# chmod 644 /root.rhosts
# vim /etc/securetty
rsh // 추가
or
# echo "rsh" >> /etc/securetty
2. client 설정
# yum install rsh
3. test 방법
client# rsh Server_IP ps