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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
23 марта 2014 г., 09:15:46 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
23 марта 2014 г., 08:52:57 GMT+1 - permalink - - http://wiki.gonzofamily.com/a/Utilisation_de_Xen#Snapshots

dd lvm xen
The Big Picture (current) - Symfony
22 марта 2014 г., 15:32:50 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
22 марта 2014 г., 14:15:30 GMT+1 - permalink - - http://youtu.be/QExKz-iIpYc

networking puppet
Doc Elasticsearch

via Skunnyk
21 марта 2014 г., 10:23:34 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
21 марта 2014 г., 10:22:55 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.
21 марта 2014 г., 09:59:51 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'
20 марта 2014 г., 15:27:31 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
20 марта 2014 г., 11:03:11 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
20 марта 2014 г., 08:10:59 GMT+1 - permalink - - http://openvswitch.org/releases/NEWS-2.1.0

networking tweetit
Liste des plugins contrib munin
19 марта 2014 г., 17:47:03 GMT+1 - permalink - - https://github.com/munin-monitoring/contrib/tree/master/plugins

github munin plugin
sorting - Bash - Difference Between two lists - Stack Overflow

Pour obtenir la diff des éléments entre deux listes :

To get the lines only in the old file:
comm -23 <(sort /tmp/oldList) <(sort /tmp/newList)

To get the lines only in the new file:
comm -13 <(sort /tmp/oldList) <(sort /tmp/newList)

comm -23 <(sort /tmp/1) <(sort /tmp/2)
comm -13 <(sort /tmp/1) <(sort /tmp/2)
19 марта 2014 г., 15:24:21 GMT+1 * - permalink - - http://stackoverflow.com/questions/11165182/bash-difference-between-two-lists

bash comm diff list
doing - BrettTerpstra.com

Un todo en cli dans le meme genre que http://todotxt.com/
19 марта 2014 г., 14:41:15 GMT+1 - permalink - - http://brettterpstra.com/projects/doing/

cli dar done software standup todo war
Hacker Techniques, Exploits & Incident Handling

Des certifs qui peuvent être passées online : sécurité, réseau..
19 марта 2014 г., 13:37:53 GMT+1 - permalink - - https://www.sans.org/course/hacker-techniques-exploits-incident-handling

elearning network
The “Ping me!” Packet Challenge | I Smell Packets

Un peu de réseau, ça fait longtemps : un petit challenge où il faut crafter un icmp reply correspond à l'icmp request posté ;)

Les solutions :
http://ismellpackets.com/2010/10/05/the-ping-me-packet-challenge-solution/
http://ismellpackets.com/2010/10/06/another-ping-me-packet-challenge-solution/
http://ismellpackets.com/2010/10/07/the-ping-me-packet-challenge-solution-using-hping/
http://ismellpackets.com/2011/01/06/ping-me-packet-challenge-follow-up/

PS : l'auteur du blog n'est plus actif mais les archives sont à explorer
19 марта 2014 г., 13:34:16 GMT+1 - permalink - - http://ismellpackets.com/2010/09/20/the-ping-me-packet-challenge/

craft hping network
puppet svn pre-commit hook | Jason Hancock
Script de hook pre-commit pour vérifier la syntaxe des .pp en utilisant http://puppet-lint.com/
- https://github.com/jasonhancock/puppet-svn-hooks
19 марта 2014 г., 11:27:02 GMT+1 - permalink - - http://geek.jasonhancock.com/2012/04/18/puppet-svn-pre-commit-hook/

puppet
mktemp

Pratique pour l'écriture de script en bash lorsqu'on a besoin d'un fichier temporaire :

#Creation
tmpfile=$(mktemp)

#Utilisation...

#Clean
if [ -e "$tmpfile" ]
then
rm -f $tmpfile
fi
19 марта 2014 г., 11:16:44 GMT+1 - permalink - - https://links.infomee.fr/?r6stZw

bash mktemp tmp tweetit
Creating RRD graphs in PHP « php[architect] – Magazine, Training, Books, Conferences

Feed du rrd en php
19 марта 2014 г., 10:33:37 GMT+1 - permalink - - http://www.phparch.com/2011/02/creating-rrd-graphs-in-php/

php rrd sonde
Operation Windigo: Linux malware campaign that infected 500,000 Computers Worldwide - The Hacker News

Oh shit
18 марта 2014 г., 23:25:07 GMT+1 - permalink - - http://thehackernews.com/2014/03/operation-windigo-linux-malware.html

linux malware security virus
The Render URL API — Graphite 0.10.0 documentation

Avec ça possible de faire des templates de graph
18 марта 2014 г., 22:52:24 GMT+1 - permalink - - http://graphite.readthedocs.org/en/latest/render_api.html

graphite

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