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#!/bin/bash
#
# Use the following script using sudo to install multiple golang installations on your debian 
# update-alternatives creates, removes, maintains and displays information about the symbolic links comprising the alternatives system
# Usage : sudo ./full_golang_install.sh
#

if [[ $(id -u) -ne 0 ]] ; then echo "This script should be run using sudo or as the root user" ; exit 1 ; fi

## Configuration and init

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update-alternatives maintains symbolic links determining default commands This is a reminder to install java and javac alternatives.

Install alternatives

Install java compiler alternatives

$ sudo update-alternatives --install /usr/bin/javac javac /home/bchenebault/Apps/jdk1.5.0_22/bin/javac 1
$ sudo update-alternatives --install /usr/bin/javac javac /home/bchenebault/Apps/jdk1.6.0_45/bin/javac 2

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#!/bin/bash

# Check if jq is installed
if ! type "jq" > /dev/null; then
    echo please install jq
fi

title="$(git log --oneline | head -1 | cut -f 2- -d ' ')"
source_branch="$(git branch | grep '*' | cut -f 2 -d ' ')"
target_branch=master

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# Create a bootable arch key and boot on it

# load your keymap
loadkeys fr

# connect to internet
iwclt
> station wlan0 scan
> station wlan0 connect SSID

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# While loop
while [ $i -lt 10 ];
do
  [...]
done
 
 # C style for loop
for (( c=1; c<=$MAX_VAL; c++ ))
do
  [...] 

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sudo gitlab-runner register --tag-list "docker" --docker-volumes "/var/run/docker.sock:/var/run/docker.sock" \
--url "https://gitlab.mycompany.com/"  --registration-token "Y1riedimjQuJ-rBK-SHe"  --executor "docker"  \
--description "ci1-docker-temp"   --docker-image "docker:stable"   --docker-privileged

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// This method preserves mongo indexes
db.getCollectionNames().forEach(function(collname) {
    db[collname].remove({})
})

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## check the return of a command
if command; then
  [...]
fi

## check by string comparison / numerical  / file existence / or more

if [[ CHECK ]]; then
  [...]
fi

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• IAAS (infrastructure as a service) : Permet de monter des machines, c'est de la VM, de l'automatisation. On déplacait l'infrastructure.
• CAAS (container as a service) : Virtualisation non plus par VM mais par containers tel que Docker. Les fournisseurs peuvent fournir des plateformes d'orchestration dont Google Kubernetes ou Docker Swarm. PAAS (platform as a service) : google app engine, amazon S3, etc, ce sont des sevices managés
• BAAS (backend as a service) : Ce n'est pas un service de cloud mais un concept d'architecture qui fournit l'authentification, la scalabilité automatique, et des services tels que les push notifications pour le développement d'app mobile.
• FAAS (functions as a service) : La plate-forme qui instancie à la volée une fonction lors d'un appel d'API. On ne paie plus en nombre de machine ou autre mais au nombre d'appels d'API

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[user]
	name = Benjamin Chenebault
	email = benjamin.chenebault@gmail.com
[push]
	default = simple
[alias]
	cp = cherry-pick
	st = status -s
	cl = clone
	ci = commit