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I'm trying to start a service which runs this script, which is just flags for a binary file

This is the script:

./geth_linux --config ./config.toml --datadir ./mainnet --cache 100000 \
             --rpc.allow-unprotected-txs --txlookuplimit 0 --http --ws \
             --maxpeers 100 --syncmode=snap --snapshot=false --diffsync

When I run this script in terminal from the binary's directory /home/bsc, it runs as I want it to.

When I start the service though, I get this error:

(code=exited, status=203/EXEC)

Here is my .service file:

[Unit]
Description=BSC Full Node
[Service]
User=bsc
Type=simple
WorkingDirectory=/home/bsc
ExecStart=/home/bsc/start.sh
Restart=on-failure
RestartSec=5
[Install]
WantedBy=default.target

I have made this script executable with:

chmod +x /home/bsc/start.sh

Also i have run:

chown +R bsc.bsc /home/bsc/*

I also tried running ExecStart=/bin/bash /home/bsc/start.sh and also adding #!/bin/bash at the top line of the script but failed also.

I'm stumped.

Ubuntu 20.04.3 LTS

systemd error log

Nov 24 04:25:14 rezonautik systemd[1]: Started BSC Full Node.
Nov 24 04:25:14 rezonautik bash[26939]: /home/bsc/start.sh: line 1: geth: command not found
Nov 24 04:25:14 rezonautik systemd[1]: bsc.service: Main process exited, code=exited, status=127/n/a
Nov 24 04:25:14 rezonautik systemd[1]: bsc.service: Failed with result 'exit-code'.
Nov 24 04:25:19 rezonautik systemd[1]: bsc.service: Scheduled restart job, restart counter is at 1.
Nov 24 04:25:19 rezonautik systemd[1]: Stopped BSC Full Node.
Nov 24 04:25:19 rezonautik systemd[1]: Started BSC Full Node.
Nov 24 04:25:19 rezonautik bash[26981]: /home/bsc/start.sh: line 1: geth: command not found
Nov 24 04:25:19 rezonautik systemd[1]: bsc.service: Main process exited, code=exited, status=127/n/a
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24
  • Change the call to /usr/bin/strace -f ./geth_linux ... 2>&1 and add the (last 30 lines of the) output (systemctl status servicename -n 40) to your question (or use strace -o /path/to/filename for dumping the output to a file). Commented Nov 27, 2021 at 16:35
  • sorry for my ignorance, when you say change the call do you mean to make this the ExecStart information? Commented Nov 27, 2021 at 16:41
  • No. SystemD does not understand shell stuff like redirections so that has to be put in the script which SystemD starts. Commented Nov 27, 2021 at 16:43
  • do i add this information as a new line above my original line? Commented Nov 27, 2021 at 16:44
  • 2
    Can you provide please the ./geth_linux script contents? I'm asking because of /home/bsc/start.sh: line 1: geth: command not found error, which mentions geth (without the "linux" part) and I have a feeling this is some kind of a PATH problem. Commented Nov 27, 2021 at 20:12

3 Answers 3

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1

There is a path problem (and a general inconsistency in your description).

In your description the script /home/bsc/start.sh starts with ./geth_linux but it should start with a shebang line.

The error message says line 1: geth: command not found. It neither says geth_linux nor ./geth_linux. So there is obviously some mix up.

You should use only the following command calls:

  • full path e.g. /home/bsc/start.sh (that is the best solution)
  • no path i.e. geth_linux instead of ./geth_linux; this only works for commands for which the command which outputs the absolute file path.
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  • all of these scenarios output the same issue: geth: command not found. it doesn't matter if i put shebang as the first line in the script, it doesn't matter whether i put ./geth_linux or also just geth_linux as the call in the script. same output Commented Nov 28, 2021 at 1:10
  • i have also tried ExecStart=/bin/bash /home/bsc/start.sh Commented Nov 28, 2021 at 1:10
  • 1
    The error message says line 1: geth: command not found. It neither says geth_linux nor ./geth_linux. So there is obviously some mix up. guaranteed within the script it is geth_linux. is it possible that i'm looking at old errors? before each attempt anytime i modified the systemd file i ran daemon-reload, and reset-failed.. Commented Nov 28, 2021 at 1:21
  • It seems geth_linux is not a binary but another script. And that script contains a call to geth which is not in the $PATH. Do what I told you to do: Use full paths in all the scripts (except for well known commands). Commented Nov 28, 2021 at 1:23
  • in .service file i have ExecStart=/home/bsc/start.sh. in start.sh i have shebang as line1, then line2 /home/bsc/geth_linux then all my flags. Same error is returned Commented Nov 28, 2021 at 1:40
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The service file is look working fine. I highly move your script file as following directory:

mv ./YOUR_CURRENT_PATH /usr/local/bin/

Then the geth_linux linux will be accessible from everywhere.

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-3

ok, i figured this out. the problem was bsc.service had to be renamed to geth.service. after making this change everything works

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