¿Cómo iniciar un servidor tftp en ubuntu usando el comando systemctl start tftp?

¿Cómo iniciar un servidor tftp en ubuntu usando el comando systemctl start tftp?

Estoy usando ubuntu 16.04. He instalado el servidor tftpd-hpa. Quiero iniciar mi servidor con el comando systemctl start tftp. He creado un archivo de servicio tftp en la carpeta del sistema y la configuración es la siguiente

[Unit]
Description=Tftp Server
After=network.target

[Service]
Type=forking
ExecStart=/usr/sbin/in.tftpd /var/tftp
ExecStop=/bin/kill -15 $MAINPID


[Install]
WantedBy=multi-user.target

Siempre que estoy ejecutando el

systemctl iniciar tftp

Recibo el siguiente mensaje:

Job for tftp.service failed because a configured resource limit was exceeded. See "systemctl status tftp.service" and "journalctl -xe" for details.

Después de ejecutar:

systemctl status tftp.service 

Recibo el siguiente mensaje:

● tftp.service - Tftp Server
   Loaded: loaded (/etc/systemd/system/tftp.service; enabled; vendor preset: enabled)
   Active: failed (Result: exit-code) since Wed 2017-07-26 14:38:22 IST; 26s ago
  Process: 3309 ExecStart=/usr/sbin/in.tftpd /var/tftp (code=exited, status=1/FAILURE)

Jul 26 14:38:22 map-VB systemd[1]: Starting Tftp Server...
Jul 26 14:38:22 map-VB systemd[1]: tftp.service: Control process exited, code=exited status=1
Jul 26 14:38:22 map-VB systemd[1]: Failed to start Tftp Server.
Jul 26 14:38:22 map-VB systemd[1]: tftp.service: Unit entered failed state.
Jul 26 14:38:22 map-VB systemd[1]: tftp.service: Failed with result 'exit-code'.

Cualquier orientación es muy apreciada.

despues de correr

journalctl -xe

Me dio el siguiente mensaje

-- Unit acpid.service has finished starting up.
-- 
-- The start-up result is done.
Jul 26 14:38:15 map-VB systemd[1]: Started CUPS Scheduler.
-- Subject: Unit cups.service has finished start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit cups.service has finished starting up.
-- 
-- The start-up result is done.
Jul 26 14:38:15 map-VB polkitd(authority=local)[841]: Unregistered Authentication Agent for unix-process:3270:263001 (system bus name :1.147, 
Jul 26 14:38:17 map-VB polkitd(authority=local)[841]: Registered Authentication Agent for unix-process:3300:263641 (system bus name :1.159 [/u
Jul 26 14:38:17 map-VB gnome-session[1420]: Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged.
Jul 26 14:38:22 map-VB polkitd(authority=local)[841]: Operator of unix-session:c1 successfully authenticated as unix-user:map to gain TEMPORAR
Jul 26 14:38:22 map-VB systemd[1]: Starting Tftp Server...
-- Subject: Unit tftp.service has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit tftp.service has begun starting up.
Jul 26 14:38:22 map-VB tftpd[3309]: recvfrom: Socket operation on non-socket
Jul 26 14:38:22 map-VB systemd[1]: tftp.service: Control process exited, code=exited status=1
Jul 26 14:38:22 map-VB systemd[1]: Failed to start Tftp Server.
-- Subject: Unit tftp.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit tftp.service has failed.
-- 
-- The result is failed.
Jul 26 14:38:22 map-VB systemd[1]: tftp.service: Unit entered failed state.
Jul 26 14:38:22 map-VB systemd[1]: tftp.service: Failed with result 'exit-code'.
Jul 26 14:38:22 map-VB polkitd(authority=local)[841]: Unregistered Authentication Agent for unix-process:3300:263641 (system bus name :1.159, 
Jul 26 14:54:57 map-VB org.gnome.evolution.dataserver.Sources5[1300]: ** (evolution-source-registry:2124): WARNING **: secret_service_search_s
Jul 26 15:00:52 map-VB compiz[1963]: gkr-pam: unlocked login keyring

Respuesta1

Modifique su archivo de servicio desde:

[Unit]
Description=Tftp Server

[Service]
ExecStart=/usr/sbin/in.tftpd
ExecStop=/bin/kill -15 $MAINPID

StandardInput=socket

[Install]
WantedBy=multi-user.target

A esto ya que es un demonio:

[Unit]
Description=Tftp Server

[Service]
Type=forking
ExecStart=/usr/sbin/xinetd
ExecStop=/bin/kill -15 $MAINPID
StandardInput=socket

[Install]
WantedBy=multi-user.target

Fuentes:

http://www.linuxcertif.com/man/5/systemd.service/

https://linux.die.net/man/8/xinetd

información relacionada