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Articles et didacticiels

à creuser..

cloudformation permet de créer des stacks complètes à partir d'un fichier description (yaml ou json)

Donc en partant d'un environnement aws completement vierge, en théorie un seul fichier et une seule commande permet de créer une stack.

On pourrait faire la meme chose avec un script et l'appels aux api pour créer les éléments un par un. L'avantage de cloudformation, c'est la gestion des priorités de création, des dépendances... On peut déclarer dans l'odre qu'on veut dans le Yaml, tout se fera "automagiquement"

Autre avantage, l'idempotence, on peut appliquer de nouveau le template et si rien n'a été changé, rien ne changera.

Au contraire si complexifie la stack, elle se mettra à jour.

Un peu comme Puppet vs Ansible
November 4, 2016 at 3:45:14 PM GMT+1 - permalink - - https://aws.amazon.com/fr/cloudformation/aws-cloudformation-articles-and-tutorials/

cloudformation
Note: How to test ldap persistent search in cmdline

You need ldapsearch from mozldap-tools (the classic ldapsearch does not have such options)

How I did :
docker run -it centos bash
yum install wget svrcore-devel.x86_64
wget ftp://195.220.108.108/linux/mageia/distrib/5/x86_64/media/core/release/mozldap-6.0.7-8.mga5.x86_64.rpm
wget ftp://bo.mirror.garr.it/1/mageia/distrib/5/x86_64/media/core/release/mozldap-tools-6.0.7-8.mga5.x86_64.rpm
rpm -ivh mozldap-6.0.7-8.mga5.x86_64.rpm
rpm -ivh mozldap-tools-6.0.7-8.mga5.x86_64.rpm

/usr/lib64/mozldap/ldapsearch -r -C PS:any:1:1 -D "cn=Admin Account" -w "secret" -p 9389 -h ldap.company.org -b dc=sso,dc=company,dc=org -s sub "(mail=toto*)"

Once the connection is established, you will receive notification on this one when a change is done
November 4, 2016 at 2:17:00 PM GMT+1 - permalink - - https://links.infomee.fr/?xW3mvQ

ldap persistentsearch
8.5. Using Persistent Search

Le genre de truc qui repose sur une connexion qui doit restée up alors que idle..
November 4, 2016 at 10:26:55 AM GMT+1 - permalink - - https://access.redhat.com/documentation/en-US/Red_Hat_Directory_Server/8.2/html/Administration_Guide/persistent-search.html

ldap persistent search
Leveraging Multiple IP Addresses for Virtual IP Address Fail-over in 6 Simple Steps : Articles & Tutorials : Amazon Web Services

un peu homemade, mais why not
November 3, 2016 at 5:17:10 PM GMT+1 - permalink - - https://aws.amazon.com/articles/2127188135977316

aws heatbeat
jq
November 2, 2016 at 3:34:36 PM GMT+1 - permalink - - https://stedolan.github.io/jq/

cmdline json parse
Dockerfile reference - Docker

Note: Environment persistence can cause unexpected side effects. For example, setting ENV DEBIAN_FRONTEND noninteractive may confuse apt-get users on a Debian-based image. To set a value for a single command, use RUN <key>=<value> <command>.

The environment variables set using ENV will persist when a container is run from the resulting image. You can view the values using docker inspect, and change them using docker run --env <key>=<value>.
November 2, 2016 at 2:33:51 PM GMT+1 - permalink - - https://docs.docker.com/engine/reference/builder/#/env

bestpractice docker
Is there an easy way to "restart" a tmux pane? - Unix & Linux Stack Exchange

So <prefix>+: and then enter respawn-pane -k and press Enter
October 31, 2016 at 3:38:51 PM GMT+1 - permalink - - http://unix.stackexchange.com/questions/88392/is-there-an-easy-way-to-restart-a-tmux-pane

tmux
ANSI vs ISO - Deskthority wiki

TIL pourquoi certains claviers ont une touche Enter différente :D
October 31, 2016 at 3:22:15 PM GMT+1 - permalink - - https://deskthority.net/wiki/ANSI_vs_ISO

clavier hardware keyboard
SAML Decoder - Online SAML Request-Response Decode Tool - Base64 - Inflate
October 31, 2016 at 11:53:39 AM GMT+1 - permalink - - https://www.samltool.com/decode.php

saml
Understanding the iPlanetDirectoryPro Cookie | Easy Identity
October 31, 2016 at 11:25:50 AM GMT+1 - permalink - - https://idmdude.com/2014/02/26/understanding-the-iplanetdirectorypro-cookie/

openam saml
maven - How to build a docker container for a java app - Stack Overflow

La deuxieme approche me semble mieux.. Deux étapes pour build seulement :

git clone
docker build

Au lieu de :

git clone
mvn clean install
docker build
October 31, 2016 at 10:15:51 AM GMT+1 - permalink - - http://stackoverflow.com/questions/31696439/how-to-build-a-docker-container-for-a-java-app

ci docker
Pandoc - About pandoc

Est ce que les projets de generateur de blog static utilisent Pandoc?
J'ai besoin d'une solution kiss pour bloguer et ça pourrait peut etre faire l'affaire finalement : des fichiers markdown dans un repo
Un hook post receive qui fait la conversion en html
October 30, 2016 at 10:57:13 AM GMT+1 - permalink - - http://pandoc.org/index.html

blog pandoc
DTrace for Linux 2016
October 30, 2016 at 10:55:28 AM GMT+1 - permalink - - http://www.brendangregg.com/blog/2016-10-27/dtrace-for-linux-2016.html

debug dtrace strace
What comes after ‘iptables’? It’s successor, of course: `nftables` – Red Hat Developer Blog

intéressant
October 30, 2016 at 10:52:32 AM GMT+1 - permalink - - http://developers.redhat.com/blog/2016/10/28/what-comes-after-iptables-its-successor-of-course-nftables/

iptables nftables
Really Responsive Tables using CSS3 Flexbox - Hashnode
October 30, 2016 at 7:54:55 AM GMT+1 - permalink - - https://hashnode.com/post/really-responsive-tables-using-css3-flexbox-cijzbxd8n00pwvm53sl4l42cx

css flex table
contrast - How to decide font color in white or black depending on background color? - Stack Overflow

if (red0.299 + green0.587 + blue*0.114) > 186 use #000000 else use #ffffff
October 28, 2016 at 3:38:31 PM GMT+2 - permalink - - http://stackoverflow.com/questions/3942878/how-to-decide-font-color-in-white-or-black-depending-on-background-color

color contrast css
CSS flex-basis property

Pas mal du tout ce qu'on peut faire avec flex, c'est bien pratique que les float, inline-block et compagnie !
October 28, 2016 at 2:59:21 PM GMT+2 - permalink - - http://www.w3schools.com/cssref/css3_pr_flex-basis.asp

css flex
Secure cookie with HttpOnly and Secure flag in Apache

Pour éditer les header avec apache
October 27, 2016 at 8:06:43 AM GMT+2 - permalink - - https://geekflare.com/httponly-secure-cookie-apache/

apache cookie
Steve Lorek—Ruby and Rails Developer, Southampton, UK—How to Shrink a Git Repository

don't fucking commit useless binary files !!
October 26, 2016 at 9:58:33 AM GMT+2 - permalink - - http://stevelorek.com/how-to-shrink-a-git-repository.html

git
Settings - Firefox Developer Tools | MDN

Pour que la console network ne clear pas toute seule

you can use the "Enable persistent logs" setting
October 25, 2016 at 10:13:41 AM GMT+2 - permalink - - https://developer.mozilla.org/en-US/docs/Tools/Settings

console dev firefox network

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