Arnaud's links

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Using Multiple Puppet Masters — Documentation — Puppet Labs

Utiliser plusieurs puppet master : performance et haute dispo
March 26, 2014 at 11:02:15 PM GMT+1 - permalink - - http://docs.puppetlabs.com/guides/scaling_multiple_masters.html

ha puppet
Feature #16529: Making puppetdb-terminus available as a gem - PuppetDB - Puppet Labs

Comment construire la gem puppetdb-terminus à partir des sources github :

git clone https://github.com/puppetlabs/puppetdb
git checkout 1.6.2
cd puppetdb
cp contrib/gem/puppetdb-terminus.gemspec puppet/
cd puppet
modifier le spec pour mettre version=1.6.2
gem build puppetdb-terminus.gemspec

Installer la gem : gem install puppetdb-terminus-1.6.2.gem
March 26, 2014 at 5:11:11 PM GMT+1 - permalink - - https://projects.puppetlabs.com/issues/16529

puppet puppetdb
core - Serveur Apache HTTP

Petit probleme avec pluxml : il forge les url des article avec le nom de l'article... alors quand c'est trop long, apache n'aime pas :

ALERT - configured request variable name length limit exceeded - dropped variable

La directive pour configurer ça : LimitRequestLine
March 26, 2014 at 4:21:27 PM GMT+1 - permalink - - http://httpd.apache.org/docs/2.2/mod/core.html#limitrequestline

apache
Troubleshooting — Documentation — Puppet Labs

Comment régénérer certificat puppet master
March 26, 2014 at 1:56:34 PM GMT+1 - permalink - - http://docs.puppetlabs.com/guides/troubleshooting.html#agents-are-failing-with-a-hostname-was-not-match-with-the-server-certificate-error-whats-wrong

puppet
Cambriolages - les alarmes, les assurances, les astuces
March 25, 2014 at 12:16:23 PM GMT+1 - permalink - - http://www.anti-cambriolage.fr/

cambriolage maison
Pearson VUE - Home

Pour passer certification cisco en candidat libre
March 24, 2014 at 1:58:33 PM GMT+1 - permalink - - https://www1.pearsonvue.com/testtaker/registration/Dashboard/CISCOTESTING/585788

certification cisco
https://github.com/lebinh/ngxtop

Pour monitorer en temps réel un nginx
March 24, 2014 at 1:08:30 PM GMT+1 - permalink - - https://github.com/lebinh/ngxtop

nginx
Explain Git with D3

Quelques commandes git expliquées visuellement et dynamiquement
March 24, 2014 at 12:50:17 PM GMT+1 - permalink - - http://www.wei-wang.com/ExplainGitWithD3/

git
DBA 101: Sometimes forgotten functionality in the MySQL client

Deux trois fonctions utiles/méconnues côté client

via Skunnyk
March 24, 2014 at 10:13:56 AM GMT+1 - permalink - - http://www.mysqlperformanceblog.com/2014/02/27/dba-101-sometimes-forgotten-functionality-mysql-client/

mysql
Peerflix

Pour lire un torrent en streaming en utilisant vlc (c'est ce qui est utilisé par popcorn time)
A tester dans le cas ou un toto n'est pas dispo dans PT, comme pour les séries par exemple.
Pourquoi ne pas utiliser utorrent ? Je sais pas pour vous, mais chez moi il met un temps fou à démarrer la lecture en streaming comparé à PT..
March 23, 2014 at 9:54:46 AM GMT+1 - permalink - - https://github.com/mafintosh/peerflix

streaming torrent
lvm - Documentation Ubuntu Francophone

Fusionner un snapshot

Le but ici est de fusionner un snapshot modifié vers le LV d'origine. Pour ainsi dire, "faire que les modifications apportées sur le snapshot se retrouvent sur le LV d'origine".

lvconvert --merge /path/to/dev/snap
March 23, 2014 at 9:15:46 AM GMT+1 - permalink - - http://doc.ubuntu-fr.org/lvm#snapshot

lvm
Utilisation de Xen - Wikichris

dd over ssh
lvcreate vg00 -L 4G -n srv-test-disk #on choisi la même taille (4Go)
mkfs.ext4 /dev/vg00/srv-test-disk
ssh root@srv-xen.domain.com "dd if=/dev/vg00/srv-test-disk" | dd of=/dev/vg00/srv-test-disk

ou avec gzip pour aller BEAUCOUP plus vite

ssh root@srv-xen.domain.com "dd if=/dev/vg00/srv-test-disk | gzip" | gzip -dc | dd of=/dev/vg00/srv-test-disk
March 23, 2014 at 8:52:57 AM GMT+1 - permalink - - http://wiki.gonzofamily.com/a/Utilisation_de_Xen#Snapshots

dd lvm xen
The Big Picture (current) - Symfony
March 22, 2014 at 3:32:50 PM GMT+1 - permalink - - http://symfony.com/doc/current/quick_tour/the_big_picture.html

php symfony
Puppet et nexus3000

Puppet qui sattaque au monde du reseau avec le nuxus3000 :o
Clin d'oeil à ubiqube
March 22, 2014 at 2:15:30 PM GMT+1 - permalink - - http://youtu.be/QExKz-iIpYc

networking puppet
Doc Elasticsearch

via Skunnyk
March 21, 2014 at 10:23:34 AM GMT+1 - permalink - - http://www.elasticsearch.org/guide/

doc elasticsearch
Cryptography Hacks - Hash Encryption using DuckDuckGo Search Engine - The Hacker News

ddg <3

via skunnyk
March 21, 2014 at 10:22:55 AM GMT+1 - permalink - - http://thehackernews.com/2014/01/cryptography-hacks-hash-encryption.html

ddg hash
Grafana Scripted dashboards
If you have lots of metric names that change (new servers etc) in a defined pattern it is irritating to constantly have to create new dashboards.

With scripted dashboards you can dynamically create your dashboards using javascript. In the folder grafana install folder app/dashboards/ there is a file named scripted.js. This file contains an example of a scripted dashboard. You can access it by using the url:
```
http://grafana_url/#/dashboard/script/scripted.js?rows=3&name=myName
```
If you open scripted.js you can see how it reads url paramters from ARGS variable and then adds rows and panels.
March 21, 2014 at 9:59:51 AM GMT+1 - permalink - - https://github.com/torkelo/grafana/wiki/Scripted-dashboards

grafana graphite
Running commands in parallell using bash | Michael Boman

bien utile

cat liste | parallel --gnu -j 10 ssh root@{} 'ls'
March 20, 2014 at 3:27:31 PM GMT+1 - permalink - - http://blog.michaelboman.org/2012/04/running-commands-in-parallel-using-bash.html

background bash parallel
What is Unobtrusive JavaScript & Why it's Important? - Treehouse
Si un jour je fais un peu plus de JS, faudrait faire comme ça
- http://icant.co.uk/articles/seven-rules-of-unobtrusive-javascript/
- http://www.w3.org/wiki/The_principles_of_unobtrusive_JavaScript
March 20, 2014 at 11:03:11 AM GMT+1 - permalink - - http://blog.teamtreehouse.com/unobtrusive-javascript-important

js
http://openvswitch.org/releases/NEWS-2.1.0

Release d'ovs 2.1.0
March 20, 2014 at 8:10:59 AM GMT+1 - permalink - - http://openvswitch.org/releases/NEWS-2.1.0

networking tweetit

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