How to install SSH server in CentOS
1.For installing SSH open the terminal and type :
# yum install openssh-server
2. After the completion of Installation you have to on the sshd service and start the service.
# chkconfig sshd on
# service sshd restart
Fonte: http://techs2resolve.blogspot.com.br/2013/04/how-to-install-ssh-server-in-centos.html