Tftp

TFTP setting (RHEL9)

yum install tftp tftp-server

Create file /etc/systemd/system/tftp.service:

[Unit]
Description=Tftp Server
Requires=tftp.socket
Documentation=man:in.tftpd

[Service]
ExecStart=/usr/sbin/in.tftpd -s /tftpboot
StandardInput=socket

[Install]
Also=tftp.socket

Start tftp:

systemctl enable tftp
systemctl start tftp
systemctl status tftp

TFTP setting (RHEL7)

yum install tftp tftp-server
yum install syslinux-tftpboot syslinux ???

Bryan (if installing from scratch, not sure if needed):

yum install nfs-utils tftp-server syslinux-tftpboot syslinux
yum install dnsmasq
mkdir /tftpboot
grub2-mknetdir --net-directory=/tftpboot/efi

Create file /etc/systemd/system/tftp.service:

[Unit]
Description=Tftp Server
Requires=tftp.socket
Documentation=man:in.tftpd
##After=network.target network-online.target ???

[Service]
#ExecStart=/usr/sbin/in.tftpd -s /var/lib/tftpboot
ExecStart=/usr/sbin/in.tftpd -s /tftpboot
StandardInput=socket

[Install]
Also=tftp.socket

Start tftp:

systemctl enable tftp
systemctl start tftp
#systemctl start tftp.socket ??

Check status:

systemctl status tftp ??
systemctl status tftp.socket

OLD RHEL7

Installation:

yum install tftp tftp-server* xinetd*

DONOTDOIT Edit file /etc/xinetd.d/tftp: set 'disable=no', add '-c' to server_args, and change directory to '/tftpboot'

service tftp
{
	socket_type		= dgram
	protocol		= udp
	wait			= yes
	user			= root
	server			= /usr/sbin/in.tftpd
	server_args		= -c -s /tftpboot
	disable			= no
	per_source		= 11
	cps			= 100 2
	flags			= IPv4
}

Edit /usr/lib/systemd/system/tftp.service': add '-c' to the list of options, and change directory to '/tftpboot'

[Unit]
Description=Tftp Server
Requires=tftp.socket
Documentation=man:in.tftpd
[Service]
ExecStart=/usr/sbin/in.tftpd -c -s /tftpboot
StandardInput=socket
[Install]
Also=tftp.socket

Enable and Start TFTP Service

systemctl enable xinetd
systemctl enable tftp
systemctl start xinetd
systemctl start tftp

After these two commands, permanent links will be made for xinetd and TFTP services.

old (solaris)

Tftp is used in particular to download images into ROCs, PMCs and IOCs. To activate, uncomment following line in /etc/inetd.conf file:

tftp	dgram	udp6	wait	root	/usr/sbin/in.tftpd	in.tftpd -s /tftpboot

and run

inetconv

to generate manifest file. Start 'tftp' service:

svcadm enable /network/tftp/udp6

Create directorory /tftpboot. All files you want to download using 'tftp' must be placed in that directory. Normally you will copy all files from another machine running 'tftp' service.