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systemctl start tftpコマンドを使用してubuntuでtftpサーバーを起動する方法は？

Tftpd-hpaサーバーをインストールしたubuntu 16.04を使用しています。 systemctl start tftpコマンドでサーバーを起動したい。システムフォルダーにtftpサービスファイルを作成しました。構成は次のとおりです。

[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

私が走っているときはいつでも

systemctl start tftp

次のメッセージが表示されます。

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

実行後：

systemctl status tftp.service

次のメッセージが表示されます。

● 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'.

どんなガイダンスも大歓迎です。

走った後

journalctl -xe

次のメッセージを出しました

-- 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
16.04networkingservertftp
1
ams

サービスファイルを以下から変更してください：

[Unit]
Description=Tftp Server

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

StandardInput=socket

[Install]
WantedBy=multi-user.target

これはデーモンであるため：

[Unit]
Description=Tftp Server

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

[Install]
WantedBy=multi-user.target

ソース：

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

2
George Udosen