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I am trying to get a file through tftp on boot-up. Tftp server has been properly setup on another machine. I am running tftp get in a shell script like this:
tftp 192.1x.x.110 << !
get file.txt
quit
!
This shell script runs fine when I execute it, and I am able to get the file. I am trying to run it as a systemd service, but when it runs at boot-up it just gives me an empty file.
This is how my systemd service looks like:
[Unit]
Description=Grabbing TFTP file
After=network-online.target
Wants=network-online.target
[Service]
Type=simple
ExecStart=/home/debian/./test-tftp.sh
StandardOutput=null
[Install]
WantedBy=multi-user.target
Alias=tftp_file.service
My systemd service also works fine when I start it myself and I get the file with data inside it, but only at boot up its giving me an empty file. So I am thinking maybe I am not starting the service at the right time in the boot process.
Any suggestions would be greatly appreciated. Thank you
Sam
Posted 2019-07-11T14:08:37.990
Reputation: 1
Does the tftp tool output any error messages when started as a service on boot? – user1686 – 2019-07-11T14:10:53.703
@grawity No errors. I even tried running service type as "oneshot", and that also didn't change anything. – Sam – 2019-07-11T14:19:08.100
Type=oneshot is more suitable. Does it output anything if you remove StandardOutput=? – user1686 – 2019-07-11T14:21:23.800
@grawity After removing StandardOutput, I can see this error "tftp: sendto: Network is unreachable". Why is network unreachable even if I have After=network-online.target Wants=network-online.target in there. – Sam – 2019-07-11T14:31:07.110