Thank you for your answer, Unfortunately, this did not solve the problem, because the interface is being created by an application on startup. Do you know any way to check if the interface exists before trying to connect using syslog-ng configurations? Thanks, Alex On Fri, Jun 26, 2020 at 10:52 AM Nagy Gábor <gabor.hl@gmail.com> wrote:
Hi,
I think the syslog-ng service file needs to be updated so it will start after the network.service. We've had a bug report about this: https://github.com/syslog-ng/syslog-ng/issues/2667
We fixed this in syslog-ng 3.25 We added the "Wants" and "After" options (see https://github.com/syslog-ng/syslog-ng/pull/2994/files):
[Unit] Description=System Logger Daemon Documentation=man:syslog-ng(8) Wants=network.target network-online.target After=network.target network-online.target
Maybe I'm wrong, but at first glance I think this could fix your boot issue.
Regards, Gabor
Alexandre Santos <alexandre.rosas.santos@gmail.com> ezt írta (időpont: 2020. jún. 26., P, 11:33):
Hi,
I have a configuration where one of my sources is a syslog source:
syslog(ip(127.1.1.1) transport("udp") port(514) keep-alive(no));
But when the system starts up, the interface is not ready yet, and I get the following errors:
Jun 26 09:17:50 localhost systemd[1]: Starting System Logger Daemon... Jun 26 09:17:52 localhost syslog-ng[2301]: [2020-06-26T09:17:52.485148] WARNING: With use-dns(no), dns-cache() will be forced to 'no' too!; Jun 26 09:17:52 localhost syslog-ng[2301]: [2020-06-26T09:17:52.487159] Current position not matches to the saved cursor position, seek to head; cursor='s=f62c0e80f50948deb29cf2d28230a Jun 26 09:17:52 localhost syslog-ng[2301]: [2020-06-26T09:17:52.487867] Error resolving hostname; host='127.1.1.1' Jun 26 09:17:52 localhost syslog-ng[2301]: [2020-06-26T09:17:52.487878] Error initializing message pipeline; plugin_name='syslog', location='/etc/syslog-ng/syslog-ng.conf:43:5' Jun 26 09:17:52 localhost systemd[1]: syslog-ng.service: Main process exited, code=exited, status=2/INVALIDARGUMENT Jun 26 09:17:52 localhost systemd[1]: syslog-ng.service: Failed with result 'exit-code'. Jun 26 09:17:52 localhost systemd[1]: Failed to start System Logger Daemon. Jun 26 09:17:52 localhost systemd[1]: syslog-ng.service: Service RestartSec=100ms expired, scheduling restart. Jun 26 09:17:52 localhost systemd[1]: syslog-ng.service: Scheduled restart job, restart counter is at 1.
When the systemd reaches the 5 attempts it disables the syslog-ng.service.
Do you know some way to fix this, by adding something, the syslog-ng configuration?
Thanks in Advance,
Alex
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