TFTP

[root@linuxprobe ~]# yum install tftp-server tftp

[root@linuxprobe ~]# vim /etc/xinetd.d/tftp
service tftp
{
        socket_type             = dgram
        protocol                = udp
        wait                    = yes
        user                    = root
        server                  = /usr/sbin/in.tftpd
        server_args             = -s /var/lib/tftpboot
        disable                 = no
        per_source              = 11
        cps                     = 100 2
        flags                   = IPv4
}      
[root@linuxprobe ~]# systemctl restart xinetd
[root@linuxprobe ~]# systemctl enable xinetd  

[root@linuxprobe ~]# firewall-cmd --permanent --add-port=69/udp
success
[root@linuxprobe ~]# firewall-cmd --reload
success

[root@linuxprobe ~]# echo "i love linus" > /var/lib/tftpboot/readme.txt
[root@linuxprobe ~]# tftp 192.168.10.10
tftp> get readme.txt
tftp> quit
[root@linuxprobe ~]# ls
anaconda-ks.cfg  Downloads             Pictures    Templates
Desktop          initial-setup-ks.cfg  Public      Videos
Documents        Music                 readme.txt
[root@linuxprobe ~]# cat readme.txt
i love linus