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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for August 20th, 2018

Plastic SCM compare versus Beyond Compare; guess which screenshot I like most

Posted by jpluimers on 2018/08/20

Same difference; two tools.

Plastic SCM compare: lots of clutter

Beyond Compare: just the things that are different.

–jeroen

Posted in Beyond Compare, Development, PlasticSCM, Power User, Source Code Management | 3 Comments »

Drone no-fly zones | ministerie van Infrastructuur en Milieu

Posted by jpluimers on 2018/08/20

If you ever want to fly a drone without a license in The Netherlands, be prepared that the flying zones are very limited, especially in : [Archive.isDrone no-fly zones | ministerie van Infrastructuur en Milieu

The text isn’t very clear, even to Dutch people, so there is some discussion and explanation in these links:

More temporary airspace restrictions are here:

–jeroen

Read the rest of this entry »

Posted in LifeHacker, Power User | Leave a Comment »

when bind named service hasn’t started after OpenSuSE Tumbleweed boots

Posted by jpluimers on 2018/08/20

A while ago, named would not start any more after I rebooted my Tumbleweed systems.

I had this behaviour on multiple systems, each installed quite a while ago and kept up-to-date with zypper dist-upgrade so it looked like a systematic issue.

Below are steps in researching the problem together with the helpful people on the IRC channel opensuse-factory.

Background reading for some of the commands: [WayBackHow To Use Systemctl to Manage Systemd Services and Units | DigitalOcean.

Both systemctl status named.service and systemctl status named would show the same output:

# systemctl status named
● named.service - LSB: Domain Name System (DNS) server, named
   Loaded: loaded (/etc/init.d/named; generated; vendor preset: disabled)
   Active: inactive (dead)
     Docs: man:systemd-sysv-generator(8)

Getting the log from events around a reboot would show a successful shutdown, but no start:

# journalctl --unit named --catalog --pager-end

Apr 28 13:19:27 laurel systemd[1]: Stopping LSB: Domain Name System (DNS) server, named...
-- Subject: Unit named.service has begun shutting down
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit named.service has begun shutting down.
Apr 28 13:19:28 laurel named[20360]: no longer listening on 192.168.124.27#53
Apr 28 13:19:28 laurel named[20360]: no longer listening on 192.168.124.27#53
Apr 28 13:19:32 laurel named[20360]: received control channel command 'stop'
Apr 28 13:19:32 laurel named[20360]: shutting down: flushing changes
Apr 28 13:19:32 laurel named[20360]: stopping command channel on 127.0.0.1#953
Apr 28 13:19:32 laurel named[20360]: no longer listening on ::#53
Apr 28 13:19:32 laurel named[20360]: no longer listening on ::#53
Apr 28 13:19:32 laurel named[20360]: no longer listening on 127.0.0.1#53
Apr 28 13:19:32 laurel named[20360]: no longer listening on 127.0.0.1#53
Apr 28 13:19:32 laurel named[20360]: exiting
Apr 28 13:19:34 laurel named[30705]: Shutting down name server BIND  waiting for named to shut down ..done
Apr 28 13:19:34 laurel systemd[1]: Stopped LSB: Domain Name System (DNS) server, named.
-- Subject: Unit named.service has finished shutting down
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit named.service has finished shutting down.

Similar results in these files:

  • /var/lib/named/log/general.log

28-Apr-2017 13:19:32.465 general: shutting down: flushing changes
28-Apr-2017 13:19:32.468 general: stopping command channel on 127.0.0.1#953
28-Apr-2017 13:19:32.622 general: exiting

  • /var/lib/named/log/named.log

28-Apr-2017 13:19:32.489 network: no longer listening on ::#53
28-Apr-2017 13:19:32.489 network: no longer listening on 127.0.0.1#53

With systemctl, I got this:

# systemctl is-enabled named
named.service is not a native service, redirecting to systemd-sysv-install.
Executing: /usr/lib/systemd/systemd-sysv-install is-enabled named
enabled
# systemctl is-active named
inactive
# systemctl is-failed named
inactive

After this, I was out of systemd and sysv knowledge, so I asked for help on the #openSUSE-factory IRC channel, where ismail was of great help.

Read the rest of this entry »

Posted in *nix, *nix-tools, bind-named, Linux, openSuSE, Power User, SuSE Linux, Tumbleweed | Leave a Comment »

 
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