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

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Archive for May 24th, 2017

Hmm, named failing at start on one of the secondaries: need to investigate this further

Posted by jpluimers on 2017/05/24

I was not too happy that this just happened after updating one of the DNS secondaries:

May 24 21:29:48 laurel systemd[1]: Starting LSB: Domain Name System (DNS) server, named...
-- Subject: Unit named.service has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit named.service has begun starting up.
May 24 21:29:49 laurel named[3173]: Starting name server BIND cp: cannot stat '/lib/engines': No such file or directory
May 24 21:29:51 laurel named[3235]: starting BIND 9.10.4-P5  -t /var/lib/named -u named
May 24 21:29:51 laurel named[3235]: running on Linux armv6l 4.3.3-6-raspberrypi #1 Wed Dec 16 08:03:35 UTC 2015 (db72752)
May 24 21:29:51 laurel named[3235]: built with '--prefix=/usr' '--bindir=/usr/bin' '--sbindir=/usr/sbin' '--sysconfdir=/etc' '--localstatedir=/var' '--libdir=/usr/lib' '--enable-exportlib' '--with-export-libdir=/usr/lib' '--with-export-includedir=/usr/i
May 24 21:29:51 laurel named[3235]: ----------------------------------------------------
May 24 21:29:51 laurel named[3235]: BIND 9 is maintained by Internet Systems Consortium,
May 24 21:29:51 laurel named[3235]: Inc. (ISC), a non-profit 501(c)(3) public-benefit
May 24 21:29:51 laurel named[3235]: corporation.  Support and training for BIND 9 are
May 24 21:29:51 laurel named[3235]: available at https://www.isc.org/support
May 24 21:29:51 laurel named[3235]: ----------------------------------------------------
May 24 21:29:51 laurel named[3235]: adjusted limit on open files from 4096 to 1048576
May 24 21:29:51 laurel named[3235]: found 1 CPU, using 1 worker thread
May 24 21:29:51 laurel named[3235]: using 1 UDP listener per interface
May 24 21:29:51 laurel named[3235]: using up to 4096 sockets
May 24 21:29:51 laurel named[3235]: ENGINE_by_id failed (crypto failure)
May 24 21:29:51 laurel named[3235]: error:25070067:DSO support routines:DSO_load:could not load the shared library:dso_lib.c:233:
May 24 21:29:51 laurel named[3235]: error:260B6084:engine routines:DYNAMIC_LOAD:dso not found:eng_dyn.c:467:
May 24 21:29:51 laurel named[3235]: error:2606A074:engine routines:ENGINE_by_id:no such engine:eng_list.c:390:id=gost
May 24 21:29:51 laurel named[3235]: initializing DST: crypto failure
May 24 21:29:51 laurel named[3235]: exiting (due to fatal error)
May 24 21:29:51 laurel named[3173]: ..failed
May 24 21:29:51 laurel systemd[1]: named.service: Control process exited, code=exited status=1
May 24 21:29:51 laurel systemd[1]: Failed to start LSB: Domain Name System (DNS) server, named.
-- Subject: Unit named.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit named.service has failed.
-- 
-- The result is failed.
May 24 21:29:51 laurel systemd[1]: named.service: Unit entered failed state.
May 24 21:29:51 laurel systemd[1]: named.service: Failed with result 'exit-code'.

It’s in fact a manifestation of [Archive.isBug 1040027 – bind (named): fails to start since the introduction of namespaced openSSL packages

A fix is in the pipeline at [Archice.isRequest 496968 – openSUSE Build Service

However, that fix never made it to Raspberry Pi B (the original Rasberry Pi 1B) because that is armv6l and the bind build for that has failed early April 2017.

That’s now in [Archive.isBug 1040697 – bind fails building for armv6l since 20170401 causing bugfixes not to make it to the wild.

–jeroen

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

Delphi 10.2 Tokyo Godzilla ISO and other download links including hashes

Posted by jpluimers on 2017/05/24

I thought I already posted this, but since hashes were mentioned at [WayBack] Still can’t get Rad Studio 10.2 to install on my laptop. It’ll install now, but then it can’t load several BPLs and then it crashes before the IDE gets … – Phillip Woon – Google+

From [WayBackcc.embarcadero.com/reg/delphi and [WayBackRad Studio Tokyo 10.2 | Board4All:

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Posted in Delphi, Delphi 10.2 Tokyo (Godzilla), Development, Software Development | 2 Comments »

Stack Overflow: Helping One Million Developers Exit Vim – Stack Overflow Blog

Posted by jpluimers on 2017/05/24

Apparently, this is not just a joke, but a real problem:

This morning, a popular Stack Overflow question hit a major milestone:

There is an in depth analysis at [WayBackStack Overflow: Helping One Million Developers Exit Vim – Stack Overflow Blog

Via: [WayBackFabian S. Biehn – Google+

–jeroen

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Posted in *nix, *nix-tools, Pingback, Power User, Stackoverflow | Leave a Comment »

CheatSheet for Readline keyboard shortcuts for bash, bc, ftp, gnuplot, gpg, ksh, mysql, psql, python, smbclient, xmllint and zsh

Posted by jpluimers on 2017/05/24

Cool: someone made a CheatSheet for Readline keyboard shortcuts for bash, bc, ftp, gnuplot, gpg, ksh, mysql, psql, python, smbclient, xmllint and zsh [WayBack] of the GNU Readline library [WayBack].

–jeroen

Posted in *nix, *nix-tools, Keyboards and Keyboard Shortcuts, Power User | Leave a Comment »

No, no, no, noooooo! – A Modern Hungarian Notation – Pixplicity

Posted by jpluimers on 2017/05/24

Some people still don’t get it:

We like to keep our code organized for readability, and use Hungarian Notation as prefixes where they clarify the purpose of a variable.

Source: A Modern Hungarian Notation – Pixplicity

My opinion on this:

  • Don’t abbreviate. There is code completion for a reason.
  • Put technical meanings at the end and functional meanings at the start of identifiers: software development is about functional stuff, not about technical stuff as the latter changes way faster than the former.
  • You might consider using prefixes for arguments, local variables, instance variables and such, but often that works against you while refactoring stuff.

Been there, done that (;

Source: Boy, there sure is a lot of discussion about Hungarian Notation!

–jeroen

Posted in Conventions, Development, Naming Conventions, Software Development | Leave a Comment »

 
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