Fwd: Re: Client time/date synchronisation
Hi Wolfgang,
Let me also add the syslog. It may probably help:
Apr 21 08:51:18 tjener dhcpd[1627]: reuse_lease: lease age 93385 (secs) under 25% threshold, reply with unaltered, existing lease for 192.168.0.20
Apr 21 08:51:18 tjener dhcpd[1627]: DHCPDISCOVER from 00:d0:59:22:05:43 via eth1
Apr 21 08:51:18 tjener dhcpd[1627]: DHCPOFFER on 192.168.0.20 to 00:d0:59:22:05:43 via eth1
Apr 21 08:51:18 tjener dhcpd[1627]: reuse_lease: lease age 93385 (secs) under 25% threshold, reply with unaltered, existing lease for 192.168.0.20
Apr 21 08:51:18 tjener dhcpd[1627]: DHCPREQUEST for 192.168.0.20 (192.168.0.254) from 00:d0:59:22:05:43 via eth1
Apr 21 08:51:18 tjener dhcpd[1627]: DHCPACK on 192.168.0.20 to 00:d0:59:22:05:43 via eth1
Apr 21 08:51:18 tjener nbd_server[1121]: Spawned a child process
Apr 21 08:51:18 tjener nbd_server[14337]: virtstyle ipliteral
Apr 21 08:51:18 tjener nbd_server[14337]: connect from 192.168.0.20, assigned file is /opt/ltsp/images/i386.img
Apr 21 08:51:18 tjener nbd_server[14337]: Can't open authorization file /etc/ltsp/nbd-server.allow (No such file or directory).
Apr 21 08:51:18 tjener nbd_server[14337]: Size of exported file/device is 3733676032
Apr 21 08:51:18 tjener nbd_server[14337]: Starting to serve
Apr 21 08:51:23 tjener named[1016]: resolver priming query complete
Apr 21 08:51:23 tjener ntpd[1029]: error resolving pool 2.debian.pool.ntp.org: Name or service not known (-2)
Apr 21 08:51:33 tjener named[1016]: resolver priming query complete
Apr 21 08:51:33 tjener ntpd[1029]: error resolving pool 0.debian.pool.ntp.org: Name or service not known (-2)
Apr 21 08:51:43 tjener named[1016]: resolver priming query complete
Apr 21 08:51:43 tjener ntpd[1029]: error resolving pool 3.debian.pool.ntp.org: Name or service not known (-2)
Apr 21 08:51:53 tjener named[1016]: resolver priming query complete
Apr 21 08:51:53 tjener ntpd[1029]: error resolving pool 1.debian.pool.ntp.org: Name or service not known (-2)
Apr 21 08:52:27 tjener nbd_server[1121]: Spawned a child process
Apr 21 08:52:27 tjener nbd_server[14491]: virtstyle ipliteral
Apr 21 08:52:27 tjener nbd_server[14491]: connect from 192.168.0.20, assigned file is /var/opt/ltsp/swapfiles/192.168.0.20
Apr 21 08:52:27 tjener nbd_server[14491]: Can't open authorization file (No such file or directory).
Apr 21 08:52:27 tjener nbd_server[14491]: Client '192.168.0.20' not allowed access by prerun script
Apr 21 08:52:27 tjener nbd_server[14491]: Negotiation failed: Connection reset by peer
Apr 21 08:52:27 tjener nbd_server[14491]: Exiting.
Apr 21 08:52:27 tjener nbd_server[1121]: Child exited with 1
Apr 21 08:52:30 tjener named[1016]: resolver priming query complete
Apr 21 08:52:30 tjener ntpd[1029]: error resolving pool 2.debian.pool.ntp.org: Name or service not known (-2)
Apr 21 08:52:40 tjener named[1016]: resolver priming query complete
Apr 21 08:52:40 tjener ntpd[1029]: error resolving pool 0.debian.pool.ntp.org: Name or service not known (-2)
Apr 21 08:52:50 tjener ntpd[1029]: error resolving pool 3.debian.pool.ntp.org: Name or service not known (-2)
Apr 21 08:52:50 tjener named[1016]: resolver priming query complete
Apr 21 08:53:00 tjener named[1016]: resolver priming query complete
Apr 21 08:53:00 tjener ntpd[1029]: error resolving pool 1.debian.pool.ntp.org: Name or service not known (-2)
Apr 21 08:53:19 tjener slapd[1247]: get_filter: conn 1151 unknown attribute type=wWWHomePage (17)
Apr 21 08:53:19 tjener slapd[1247]: get_filter: conn 1152 unknown attribute type=wWWHomePage (17)
Apr 21 08:53:20 tjener named[1016]: resolver priming query complete
Apr 21 08:53:30 tjener named[1016]: resolver priming query complete
Apr 21 08:53:35 tjener ntpd[1029]: error resolving pool 2.debian.pool.ntp.org: Name or service not known (-2)
Apr 21 08:53:45 tjener named[1016]: resolver priming query complete
Apr 21 08:53:45 tjener ntpd[1029]: error resolving pool 3.debian.pool.ntp.org: Name or service not known (-2)
Apr 21 08:53:55 tjener named[1016]: resolver priming query complete
Apr 21 08:53:55 tjener ntpd[1029]: error resolving pool 0.debian.pool.ntp.org: Name or service not known (-2)
Kind regards,
Roman
> ---------- Original Message ----------
> From: roman.meier@gismap.ch
> To: Wolfgang Schweer <w.schweer@gmx.de>, "debian-edu@lists.debian.org" <debian-edu@lists.debian.org>
> Date: 04/21/2021 10:33 AM
> Subject: Re: Client time/date synchronisation
>
>
> Hi Wolfgang,
>
> I just checked the content of /etc/ntp.conf of my "diskless workstation" client. No line "server ntp" has been appended.
>
> Guess that explains the problem I'm having, right?
>
> Kind regards,
> Roman
>
> > On 04/20/2021 5:28 PM Wolfgang Schweer <w.schweer@gmx.de> wrote:
> >
> >
> > Hi Roman,
> >
> > [ roman.meier@gismap.ch, 2021-04-20 ]
> > > Fact is that my LTSP clients don't have the correct time if the server
> > > has no internet connection, which may be perfectly normal, right?
> >
> > No, it should work.
> >
> > > There's none on the client in /opt/ltsp/i386/etc/ntp.conf though.
> >
> > LTSP modifies the setting at client startup. A line 'server ntp' should
> > be appended at the end of ntp.conf. The value 'ntp' is fetched from LDAP
> > (ltspConfig: TIMESERVER=ntp).
> >
> > Replace ntp with auto and check if it makes a difference (less flexible,
> > but no name resolution needed in this case).
> >
> > Wolfgang
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