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: [email protected] > To: Wolfgang Schweer <[email protected]>, "[email protected]" > <[email protected]> > 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 <[email protected]> wrote: > > > > > > Hi Roman, > > > > [ [email protected], 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
