[CentOS] tinydns exceeds "holdoff time" on startup under CentOS 7

[Boris Epstein]

OK, on the second take, even 5 seconds has proved to be enough of a sleep
period in my case.

Just FYI.

Boris.

On Mon, Oct 27, 2014 at 4:07 PM, Boris Epstein <borepstein at gmail.com> wrote:

> Hello again,
>
> I think I have resolved this issue by adding the following line to my
> relevant service startup files:
>
> RestartSec=60s
>
> I presume the line forces a restart within 60 seconds (or with the time
> allowance of 60 seconds). Actually according to this source:
>
>
> http://www.dsm.fordham.edu/cgi-bin/man-cgi.pl?topic=systemd.service&ampsect=5
>
> it is the former - the sleep time before attempting a restart.
>
> I put the line directly below the "Restart=..." line. See
> my dnscache.service for example:
>
> [root at ns99 system]# more /usr/lib/systemd/system/dnscache.service
> [Unit]
> Description=An iterative DNS resolver daemon
> Documentation=man:dnscache(8)
> Requires=network.target
> After=network.target
>
> [Service]
> Restart=always
> RestartSec=60s
> PIDFile=/var/run/dnscache.pid
> ExecStart=/usr/sbin/dnscache
>
> [Install]
> WantedBy=multi-user.target
> [root at ns99 system]#
>
> Cheers,
>
> Boris.
>
>
>
> On Mon, Oct 27, 2014 at 2:26 PM, Boris Epstein <borepstein at gmail.com>
> wrote:
>
>> Hello listmates,
>>
>> Somehow or other my DNS services that are part of
>> the ndjbdns-1.06-1.el7.x86_64 package would not start properly at startup.
>> When I then start them up using systemctl:
>>
>> systemctl start dnscache
>> systemctl start tinydns
>>
>> they start just fine.
>>
>> From the log I got the following for tinydns:
>>
>> Oct 24 15:01:43 ns99 tinydns[1867]: tinydns: version 1.06: starting:
>> Oct-24 2014 15:01:43 EDT
>> Oct 24 15:01:43 ns99 tinydns[1867]: tinydns: DEBUG_LEVEL set to `1'
>> Oct 24 15:01:43 ns99 tinydns[1867]: tinydns: DATALIMIT set to `300000'
>> bytes
>> Oct 24 15:01:43 ns99 tinydns[1867]: tinydns: could not bind UDP socket
>> Oct 24 15:01:43 ns99 systemd[1]: tinydns.service holdoff time over,
>> scheduling restart.
>>
>> Any idea why that would happen? Any idea how to increase the holdoff time
>> in the configuration?
>>
>> The config for the service looks as follows:
>>
>> [root at ns99 etc]# more /usr/lib/systemd/system/tinydns.service
>> [Unit]
>> Description=A DNS server daemon
>> Documentation=man:tinydns(8)
>> Requires=network.target
>> After=network.target
>>
>> [Service]
>> Restart=always
>> PIDFile=/var/run/tinydns.pid
>> ExecStart=/usr/sbin/tinydns
>>
>> [Install]
>> WantedBy=multi-user.target
>> [root at ns99 etc]#
>>
>> I can't possibly spot anything wrong there.
>>
>> Any help much appreciated.
>>
>> Cheers,
>>
>> Boris.
>>
>
>