tftp Servertftp-server package is installed with the command rpm -q tftp-server. If it is not installed, install it via Red Hat Network or the Red Hat Enterprise Linux CD-ROMs. tftp is an xinetd-based service; start it with the following commands:
/sbin/chkconfig --level 345 xinetd on /sbin/chkconfig --level 345 tftp on
tftp and xinetd services to immediately turn on and also configure them to start at boot time in runlevels 3, 4, and 5.