[systemd-devel] script assigned via Unit's ExecStartPre= only partially executes, fails to complete ?

[Andrey Borzenkov]

В Sun, 01 Dec 2013 00:10:36 -0800
jen142 at promessage.com пишет:

I cannot answer why iptables do not work, but general comment

> with the ExecStartPre= script,
> 
> 	cat /usr/local/etc/openvpn/up.script
> 
> 		#!/bin/sh
> 		/usr/local/sbin/openvpn --rmtun --dev tun1 > /dev/null
> 		2>&1

There is no reason to lose valuable debugging information. All output
is collected by systemd and is available via journal. Hiding it makes
really no sense.
 
> 	/usr/sbin/iptables -I FORWARD -i eth0 -o tun1 -j ACCEPT
> 	iptables -L -v -n | grep tun
> 	    0     0 ACCEPT     all  --  eth0   tun1    0.0.0.0/0        
> 	       0.0.0.0/0
> 
> journalctl shows the up.script launched, and the tun1 device is broight
> up,
> 
> 	journalctl -xb | egrep -i "up.script|tables"

Use "journalctl -u openvpn.service", this will show *all* output
associated with your unit start/stop.