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mdadm

Glossary:

• md: multiple devices

command	description
cat /proc/mdstat	show status of all raids
mdadm --detail /dev/md0	detailed status of raid md0

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I couldn't find any documentation about Twig Fields using Display Suite, so I decided to create one on my own. You are very welcome to add more information.

Adding a Twig field in Drupal Display Suite, you can use the following syntaxes:

Render the ID of the current entity:

{{ entity.id }}

Render the value of a text field (called 'Foo'):

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<?php
// source: http://cker.name/webadmin/
/*
 * webadmin.php - a simple Web-based file manager
 * Copyright (C) 2004-2011  Daniel Wacker [daniel dot wacker at web dot de]
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.

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Installing Mailman3 on Ubuntu 18.04 with MariaDB

Installing Mailman3 on Ubuntu 18.04 was surprisingly difficult, that's why I want to share my experiences with the world. Here you are:

First install MariaDB

apt install mariadb-server

Add to [mysqld] in /etc/mysql/mariadb.conf.d/50-server.cnf:

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/***  
 * This gist provides a __FILE__ variable, which holds the path to the file
 * from which the currently running source is being executed.
 *
 * Usage example: alert(__FILE__);
 *
 * Thanks to http://ejohn.org/blog/__file__-in-javascript/ on which this gist
 * is based on.
 *
 * Tested in Mozilla Firefox 9, Mozilla Firefox 16, Opera 12, Chromium 18

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Often you need to download and extract archives from the internet, e.g. to install Drupal modules. Therefore you download the archive, extract it and remove the original archive. Using modern[tm] UNIX pipes you can directly pipe it to tar; therefore you don't need to save and remove the archive.

Example:

user@host> wgetar http://ftp.drupal.org/files/projects/views-7.x-3.5.tar.gz

See the result: {{{ user@host> ls -R

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How I migrated Drupal 6 (with Biblio module) to Drupal 8 (with Bibcite module)

I got the task of upgrading an old Drupal 6 webpage to a newer version. We decided to skip Drupal 7 and go directly for Drupal 8 with the new bibcite module (although it is still at 1.0-alpha7 at the time of this writing).

Upgrading most of the content of Drupal 6 to Drupal 8 worked rather fine, with the exception of the Views which have to be migrated separately. Migrating the content of the biblio to bibcite was quite a task though. In this text, I will report how I did the transition.

One of the biggest hurdles was, that the migration would split the publications into two separate entitys. In Drupal 6, there was a "Biblio" content type, which had a "biblio" field with all the bibliographic sub-fields. And there were a fewer custom fields (via CCK), e.g. a teaser image and some node references to projects (which were a separate content type).

After the migration, the publications are a separate entity type (Content -> Biblio

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<?php
$db = new PDO('mysql:dbname=drupal8', '', '');
$res = $db->query("select * from config where name='core.entity_view_display.bibcite_reference.conference_paper.search_result'");
$elem = $res->fetch();
$orig_data = unserialize($elem['data']);

$res = $db->query("select * from config where name like 'bibcite_entity.bibcite_reference_type.%'");
$types = array();
while ($elem = $res->fetch()) {
  $type = substr($elem['name'], 38);

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#!/usr/bin/env node

var async = require('async')
var PouchDB = require('pouchdb')
PouchDB.plugin(require('pouchdb-find'))

var db = PouchDB('foobar')

async.series([
  // drop database and re-create (always start with new database)

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Making all in iniparser3.0b
make[1]: Entering directory `/home/skunk/mod_tile/iniparser3.0b'
make[1]: Nothing to be done for `all'.
make[1]: Leaving directory `/home/skunk/mod_tile/iniparser3.0b'
make[1]: Entering directory `/home/skunk/mod_tile'
g++ -DHAVE_CONFIG_H -I. -I./includes  -I/usr/include/freetype2 -pthread -I/usr/local/include -I/usr/local/include/mapnik/agg -I/usr/include  -I/usr/include/cairo -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/include/pixman-1 -I/usr/include/freetype2 -I/usr/include/libpng12       -g -O2 -MT gen_tile.o -MD -MP -MF .deps/gen_tile.Tpo -c -o gen_tile.o `test -f 'src/gen_tile.cpp' || echo './'`src/gen_tile.cpp
In file included from /usr/include/c++/4.8/mutex:35:0,
                 from /usr/local/include/mapnik/config.hpp:56,
                 from /usr/local/include/mapnik/color.hpp:27,
                 from /usr/local/include/mapnik/map.hpp:27,