diff --git a/.env.example b/.env.example
new file mode 100644
index 0000000..6572978
--- /dev/null
+++ b/.env.example
@@ -0,0 +1,13 @@
+# Quotas and database models 
+soloquota=1000000
+solomodel='modele_solo'
+fermequota=10000000
+fermemodel='modele_ferme'
+
+# Server IP addresses in order to check if domain is really pointing to your server
+ip4='127.0.0.1'
+ip6='::1'
+
+# Mysql account with enought privileges to create users and DB
+mysqluser='root'
+mysqlpassword='1 very long & secure password or passphrase!'
\ No newline at end of file
diff --git a/README.md b/README.md
index b3e9a60..c51ddf0 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,24 @@
 # yeswiki-installer
 
-Installer script for YesWiki, working on an opiniated Debian 11 environment.
\ No newline at end of file
+Installer script for YesWiki, working on an opiniated Debian 11 environment.
+
+## Setup
+
+- clone this repository on your server
+- go in the folder `cd yeswiki-installer`
+- copy .env.example to .env `cp .env.example .env`
+- edit .env file and change it with your informations
+- add executable rights to some files `chmod +x yeswiki-installer.php yeswiki-remover.php`
+- make symlinks if you want to use those commands globally and more easily
+```
+sudo ln -s yeswiki.installer.php /usr/local/bin/yeswiki-installer
+sudo ln -s yeswiki.remover.php /usr/local/bin/yeswiki-remover
+```
+
+## Usage
+
+**You need root acces to use those commands**
+
+Type `sudo yeswiki-installer` to see all the options for installation of YesWiki.
+
+Type `sudo yeswiki-remover` to see all the options for removal of YesWiki
\ No newline at end of file
diff --git a/composer.json b/composer.json
index 46fac1f..d1e0984 100644
--- a/composer.json
+++ b/composer.json
@@ -1,5 +1,7 @@
 {
     "require": {
-        "league/climate": "^3.8"
+        "league/climate": "^3.8",
+        "devcoder-xyz/php-dotenv": "^1.1",
+        "league/plates": "^3.4"
     }
 }
diff --git a/composer.lock b/composer.lock
index 78c264a..8f0be61 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,8 +4,52 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "7804f603c1e45b579e09b65c72451f75",
+    "content-hash": "de592ca396a34fbfa0f874b18161bb66",
     "packages": [
+        {
+            "name": "devcoder-xyz/php-dotenv",
+            "version": "1.1.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/devcoder-xyz/php-dotenv.git",
+                "reference": "1f478184b7fd199f5ffb0f89c1547f61c8172042"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/devcoder-xyz/php-dotenv/zipball/1f478184b7fd199f5ffb0f89c1547f61c8172042",
+                "reference": "1f478184b7fd199f5ffb0f89c1547f61c8172042",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.3"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^9.4"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "DevCoder\\": "src",
+                    "Test\\DevCoder\\": "tests"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fad M.R",
+                    "email": "fadymichel@devcoder.xyz"
+                }
+            ],
+            "description": "Parses .env files",
+            "support": {
+                "issues": "https://github.com/devcoder-xyz/php-dotenv/issues",
+                "source": "https://github.com/devcoder-xyz/php-dotenv/tree/1.1.1"
+            },
+            "time": "2021-07-17T21:19:15+00:00"
+        },
         {
             "name": "league/climate",
             "version": "3.8.2",
@@ -71,6 +115,70 @@
             },
             "time": "2022-06-18T14:42:08+00:00"
         },
+        {
+            "name": "league/plates",
+            "version": "v3.4.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/thephpleague/plates.git",
+                "reference": "6d3ee31199b536a4e003b34a356ca20f6f75496a"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/thephpleague/plates/zipball/6d3ee31199b536a4e003b34a356ca20f6f75496a",
+                "reference": "6d3ee31199b536a4e003b34a356ca20f6f75496a",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.0|^8.0"
+            },
+            "require-dev": {
+                "mikey179/vfsstream": "^1.6",
+                "phpunit/phpunit": "^9.5",
+                "squizlabs/php_codesniffer": "^3.5"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.0-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "League\\Plates\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Jonathan Reinink",
+                    "email": "jonathan@reinink.ca",
+                    "role": "Developer"
+                },
+                {
+                    "name": "RJ Garcia",
+                    "email": "ragboyjr@icloud.com",
+                    "role": "Developer"
+                }
+            ],
+            "description": "Plates, the native PHP template system that's fast, easy to use and easy to extend.",
+            "homepage": "https://platesphp.com",
+            "keywords": [
+                "league",
+                "package",
+                "templates",
+                "templating",
+                "views"
+            ],
+            "support": {
+                "issues": "https://github.com/thephpleague/plates/issues",
+                "source": "https://github.com/thephpleague/plates/tree/v3.4.0"
+            },
+            "time": "2020-12-25T05:00:37+00:00"
+        },
         {
             "name": "psr/log",
             "version": "3.0.0",
@@ -185,5 +293,5 @@
     "prefer-lowest": false,
     "platform": [],
     "platform-dev": [],
-    "plugin-api-version": "2.3.0"
+    "plugin-api-version": "2.2.0"
 }
diff --git a/templates/nginx-yeswiki.pro.php b/templates/nginx-yeswiki.pro.php
new file mode 100644
index 0000000..b2939ac
--- /dev/null
+++ b/templates/nginx-yeswiki.pro.php
@@ -0,0 +1,64 @@
+# ----------------------------------------------------------------------
+# | Config file for <?=$this->e($domain)?> host                                    |
+# ----------------------------------------------------------------------
+
+server {
+  listen [::]:80;
+  listen 80;
+  server_name <?=$this->e($domain)?>;
+
+  return 301 https://<?=$this->e($domain)?>$request_uri;
+}
+
+server {
+  listen [::]:443 ssl http2;
+  listen 443 ssl http2;
+
+  server_name www.<?=$this->e($domain)?>;
+
+  include h5bp/tls/ssl_engine.conf;
+  include h5bp/tls/certificate_files.conf;
+  include h5bp/tls/policy_strict.conf;
+
+  return 301 $scheme://<?=$this->e($domain)?>$request_uri;
+}
+
+
+server {
+  # listen [::]:443 ssl http2 accept_filter=dataready;  # for FreeBSD
+  # listen 443 ssl http2 accept_filter=dataready;  # for FreeBSD
+  listen [::]:443 ssl http2;
+  listen 443 ssl http2;
+
+  # The host name to respond to
+  server_name <?=$this->e($domain)?>;
+
+  include h5bp/tls/ssl_engine.conf;
+  include h5bp/tls/certificate_files.conf;
+  include h5bp/tls/policy_strict.conf;
+
+  # Path for static files
+  root /home/<?=$this->e($user)?>/<?=$this->e($domain)?>;
+
+  # Custom error pages
+  include h5bp/errors/custom_errors.conf;
+
+  # Include the basic h5bp config set
+  include h5bp/basic.conf;
+  
+  access_log /var/log/nginx/<?=$this->e($domain)?>-access.log;
+  error_log  /var/log/nginx/<?=$this->e($domain)?>-error.log error;
+  index index.php index.html index.htm;
+
+  location / {
+      try_files $uri $uri/ /index.php$is_args$args;
+  }
+
+  location ~ \.php$ {
+            fastcgi_split_path_info ^(.+\.php)(/.+)$;
+            fastcgi_pass unix:/var/run/php-fpm-<?=$this->e($user)?>.sock;
+            fastcgi_index index.php;
+            include fastcgi.conf;
+  }
+}
+
diff --git a/utils.inc.php b/utils.inc.php
new file mode 100644
index 0000000..8b79ebf
--- /dev/null
+++ b/utils.inc.php
@@ -0,0 +1,207 @@
+<?php
+
+require 'vendor/autoload.php';
+
+function checkDNS($domain)
+{
+    if (!preg_match('/(?=^.{4,253}$)(^((?!-)[a-zA-Z0-9-]{0,62}[a-zA-Z0-9]\.)+[a-zA-Z]{2,63}$)/', strtolower($domain))) {
+        throw new Exception('not valid domain : "'.$domain.'".');
+    }
+    $currentip = dns_get_record($domain, DNS_A + DNS_AAAA);
+    if (empty($currentip)) {
+        throw new Exception('the domain '.$domain.' was not found in DNS record.');
+    }
+    if ($currentip[0]['ip'] !== $_SERVER['ip4']) {
+        throw new Exception('the current ip v4 address of '.$domain.' is '.$currentip[0]['ip'].'. it should be '.$_SERVER['ip4']);
+    }
+    if ($currentip[1]['ipv6'] !== $_SERVER['ip6']) {
+        throw new Exception('the current ip v6 address of '.$domain.' is '.$currentip[1]['ipv6'].'. it should be '.$_SERVER['ip6']);
+    }
+    return true;
+}
+
+function checkIfInstalled($domain)
+{
+    exec('find /home/* -maxdepth 1 -type d | grep '.$domain, $output);
+    if (!empty($output)) {
+        throw new Exception('the domain '.$domain.' was already found on the server.');
+    }
+}
+
+function checkIfUserExist($user)
+{
+    exec('cut -d: -f1 /etc/passwd | grep '.$user, $output);
+    return !empty($output);
+}
+
+function generateUserFromDomain($domain, $recursive = null)
+{
+    if ($recursive == 100) {
+        throw new Exception('Too much users found, 100 that is too much for '.$domain);
+    }
+    $user = str_split(str_replace(['yeswiki.pro', '-', '.'], '', $domain), 30)[0].$recursive;
+    // try anthor username if user exists or if reserved name
+    if (checkIfUserExist($user) || in_array($user, ['www', 'stats', 'mail', 'sql', 'cron', 'modelesolo', 'modeleferme'])) {
+        if ($recursive === null) {
+            $recursive = 1;
+        }
+        $user = generateUserFromDomain($domain, $recursive + 1);
+    }
+    return $user;
+}
+
+function findUserFromExistingDomain($domain)
+{
+    exec('find /home/* -maxdepth 1 -type d | grep '.$domain, $output);
+    if (empty($output)) {
+        throw new Exception('the domain '.$domain.' was not found on the server.');
+    } else {
+        return str_replace(['/home/', '/'.$domain], '', $output[0]);
+    }
+}
+
+function generatePassword($length = 32, $add_dashes = false, $available_sets = 'luds')
+{
+    $sets = array();
+    if (strpos($available_sets, 'l') !== false) {
+        $sets[] = 'abcdefghjkmnpqrstuvwxyz';
+    }
+    if (strpos($available_sets, 'u') !== false) {
+        $sets[] = 'ABCDEFGHJKMNPQRSTUVWXYZ';
+    }
+    if (strpos($available_sets, 'd') !== false) {
+        $sets[] = '23456789';
+    }
+    if (strpos($available_sets, 's') !== false) {
+        $sets[] = '!@#$%&*?';
+    }
+
+    $all = '';
+    $password = '';
+    foreach ($sets as $set) {
+        $password .= $set[array_rand(str_split($set))];
+        $all .= $set;
+    }
+
+    $all = str_split($all);
+    for ($i = 0; $i < $length - count($sets); $i++) {
+        $password .= $all[array_rand($all)];
+    }
+
+    $password = str_shuffle($password);
+
+    if (!$add_dashes) {
+        return $password;
+    }
+
+    $dash_len = floor(sqrt($length));
+    $dash_str = '';
+    while (strlen($password) > $dash_len) {
+        $dash_str .= substr($password, 0, $dash_len) . '-';
+        $password = substr($password, $dash_len);
+    }
+    $dash_str .= $password;
+    return $dash_str;
+}
+
+function createSQLUserAndDatabase($user)
+{
+    $pass = generatePassword();
+    exec('mysql -u '.$_SERVER['mysqluser'].' -p'.$_SERVER['mysqlpassword'].' -e \'CREATE DATABASE IF NOT EXISTS '.$user.';\'', $output);
+    exec('mysql -u '.$_SERVER['mysqluser'].' -p'.$_SERVER['mysqlpassword'].' -e "CREATE USER IF NOT EXISTS \''.$user.'\'@\'localhost\' IDENTIFIED BY \''.$pass.'\';"', $output);
+    exec('mysql -u '.$_SERVER['mysqluser'].' -p'.$_SERVER['mysqlpassword'].' -e "GRANT ALL PRIVILEGES ON '.$user.'.* TO \''.$user.'\'@\'localhost\';"', $output);
+    exec('mysql -u '.$_SERVER['mysqluser'].' -p'.$_SERVER['mysqlpassword'].' -e "FLUSH PRIVILEGES;"', $output);
+    return ['database' => $user, 'user' => $user, 'password' => $pass];
+}
+
+function removeMySQLUserAndDatabase($user)
+{
+    exec('mysql -u '.$_SERVER['mysqluser'].' -p'.$_SERVER['mysqlpassword'].' -e \'DROP DATABASE IF EXISTS '.$user.';\'', $output);
+    exec('mysql -u '.$_SERVER['mysqluser'].' -p'.$_SERVER['mysqlpassword'].' -e "DROP USER IF EXISTS \''.$user.'\'@\'localhost\';"', $output);
+    exec('mysql -u '.$_SERVER['mysqluser'].' -p'.$_SERVER['mysqlpassword'].' -e "FLUSH PRIVILEGES;"', $output);
+    return;
+}
+
+function createUnixUserWithQuota($user, $quota)
+{
+    $pass = generatePassword();
+    exec('useradd -m -p "'.$pass.'" '.$user, $output);
+    exec('setquota -u '.$user.' '.$quota.' '.$quota.' 0 0 -a /dev/loop0', $output);
+    // TODO : handle errors
+    return ['user' => $user, 'password' => $pass, 'quota' => $quota];
+}
+
+function removeUnixUser($user)
+{
+    exec('deluser --remove-home '.$user, $output);
+    // TODO : handle errors
+    return;
+}
+
+function createNginxConfig($domain, $user, $herseUser, $hersePass)
+{
+    // Create new Plates instance
+    $templates = new League\Plates\Engine('./templates');
+
+    // Render a template
+    echo $templates->render('nginx-yeswiki.pro', ['domain' => $domain, 'user' => $user]);
+
+    addHerse($nginxFile, $herseUser, $hersePass);
+}
+
+function removeNginxConfig($domain, $user)
+{
+}
+
+function createPhpFpmConfig($user)
+{
+}
+
+function removePhpFpmConfig($user)
+{
+}
+
+function copyYesWikiFiles($domain, $user, $type)
+{
+    $destDir = '/home'.'/'.$user.'/'.$domain;
+    exec('mkdir -p '.$destDir, $output);
+    // TODO : handle errors
+    return;
+}
+
+function copyYesWikiDatabase($user, $type)
+{
+    $databaseModel = ($type === 'solo') ? $_SERVER['solomodel'] : $_SERVER['fermemodel'];
+    exec('mysql -u '.$_SERVER['mysqluser'].' -p'.$_SERVER['mysqlpassword'].' -e "DUPLICATE '.$databaseModel.' TO '.$user.';"', $output);
+    // TODO : handle errors
+    return;
+}
+
+function checkHerse($herseUser, $hersePass)
+{
+    if (empty($herseUser) && empty($hersePass)) {
+        return false; // no herse needed
+    } elseif (empty($herseUser) || empty($hersePass)) {
+        throw new Exception('You need an username AND a password to add a herse.');
+    }
+    return true; // herse needed
+}
+
+function addHerse(&$nginxFile, $herseUser, $hersePass)
+{
+    if (empty($herseUser) && empty($hersePass)) {
+        return ; // no herse needed
+    } elseif (empty($herseUser) || empty($hersePass)) {
+        throw new Exception('You need an username AND a password to add a herse.');
+    } else {
+        //add herse to the domain
+        echo $nginxFile;
+    }
+}
+
+function removeYesWiki($domain, $user)
+{
+    // enlever la db et le user sql
+    // enlever la config nginx et la conf php-fpm
+    // enlever le user unix et son home
+}
diff --git a/yeswiki-installer.php b/yeswiki-installer.php
index e0f1dd2..3ad9662 100755
--- a/yeswiki-installer.php
+++ b/yeswiki-installer.php
@@ -1,44 +1,101 @@
 #!/usr/bin/php
 <?php
 require_once('vendor/autoload.php');
-require_once('yeswiki-installer.utils.inc.php');
+require_once('utils.inc.php');
 
-$climate = new League\CLImate\CLImate;
+use DevCoder\DotEnv;
+
+$climate = new League\CLImate\CLImate();
 $climate->description('yeswiki-installer, install YesWiki like a professionnal 🌈🦄');
-$climate->arguments->add([
-    'domain' => [
-        'prefix'       => 'd',
-        'longPrefix'   => 'domain',
-        'description'  => 'Domain name used for installation',
-        'required'     => true,
-        'defaultValue' => 'example.com'
-    ],
-    'type' => [
+
+if (0 == posix_getuid()) {
+    $absolutePathToEnvFile = __DIR__ . '/.env';
+    if (file_exists($absolutePathToEnvFile)) {
+        (new DotEnv($absolutePathToEnvFile))->load();
+    } else {
+        $climate->error('ERROR : No .env file found.');
+        exit;
+    }
+
+    $climate->arguments->add([
+        'domain' => [
+            'prefix'       => 'd',
+            'longPrefix'   => 'domain',
+            'description'  => 'Domain name used for installation',
+            'required'     => true,
+            'defaultValue' => 'example.com'
+        ],
+        'type' => [
             'prefix'       => 't',
             'longPrefix'   => 'type',
             'description'  => 'Type of installation, can be "solo" or "ferme"',
             'required'     => true,
             'defaultValue' => 'solo'
         ],
-    'quota' => [
+        'quota' => [
             'prefix'       => 'q',
             'longPrefix'   => 'quota',
             'description'  => 'User quota for hard drive space, in bytes',
             'required'     => true,
-            'defaultValue' => 2000000,
-            'castTo'      => 'int'
+            'defaultValue' => $_SERVER['soloquota'],
+            'castTo'       => 'int'
         ],
-]);
-$climate->arguments->parse();
-$domain = $climate->arguments->get('domain');
-if (!empty($domain) && $domain !== 'example.com') {
-	$climate->bold()->underline()->out('Installation of YesWiki on '.$domain);
-	$res = installYesWiki($domain, $climate->arguments->get('quota'), $climate->arguments->get('type'));	
-	if (!empty($res['error'])) {
-		$climate->error('ERROR : '.$res['error']);
-	} else {
-		$climate->dump($res);
-	}
+        'herseuser' => [
+            'prefix'       => 'hu',
+            'longPrefix'   => 'herseuser',
+            'description'  => 'Username for HTTP auth barrier',
+        ],
+        'hersepass' => [
+            'prefix'       => 'hp',
+            'longPrefix'   => 'hersepass',
+            'description'  => 'Password for HTTP auth barrier',
+        ],
+        'confirm' => [
+            'prefix'       => 'y',
+            'longPrefix'   => 'yes',
+            'description'  => 'Say yes to every confirmation check (no prompt)',
+            'noValue'      => true,
+        ],
+    ]);
+    $climate->arguments->parse();
+    $domain = $climate->arguments->get('domain');
+    if (!empty($domain) && $domain !== 'example.com') {
+        try {
+            $quota = $climate->arguments->get('quota');
+            $type = $climate->arguments->get('type');
+            $confirm = $climate->arguments->get('confirm');
+            $herseUser = $climate->arguments->get('herseuser');
+            $hersePass = $climate->arguments->get('hersepass');
+            checkDNS($domain);
+            checkIfInstalled($domain);
+            $needHerse = checkHerse($herseUser, $hersePass);
+            $user = generateUserFromDomain($domain);
+            $climate->bold()->underline()->out('Installation of YesWiki');
+            $climate->out('This will install a yeswiki on <bold>'.$domain."</bold>\n".'model <bold>'.$type.'</bold>, <bold>'.str_replace('000000', 'Gb', $quota).' quota</bold>, with the user <bold>'.$user.'</bold>.'."\n".($needHerse ? 'An herse with user <bold>'.$herseUser.'</bold> and password <bold>'.$hersePass.'</bold> will be set up.' : ''));
+            $input = $climate->confirm('Is it all good ?');
+            if ($confirm || $input->confirmed()) {
+                $unixUser = createUnixUserWithQuota($user, $quota);
+                $dbUser = createSQLUserAndDatabase($user);
+                createNginxConfig($domain, $user, $herseUser, $hersePass);
+                createPhpFpmConfig($user);
+                copyYesWikiFiles($domain, $user, $type);
+                copyYesWikiDatabase($user, $type);
+                $climate->shout(
+                    'The yeswiki was successfully installed on <bold>'.$domain.'</bold>, congrats ! 🎉'."\n"
+                    .' Unix user : <bold>'.$unixUser['user'].'</bold> with password : <bold>'.$unixUser['password'].'</bold> was created.'."\n"
+                    .'MySQL user : <bold>'.$dbUser['user'].'</bold> with password : <bold>'.$dbUser['password'].'</bold> was created for database <bold>'.$dbUser['database'].'</bold>.'."\n"
+                );
+            // TODO : send log, send email
+            } else {
+                $climate->info('Ok, let\'s stop here...');
+            }
+        } catch (Exception $e) {
+            $climate->error('ERROR : '.$e->getMessage());
+        }
+    } else {
+        $climate->usage();
+    }
 } else {
-	$climate->usage();
+    $climate->error('ERROR : this script needs root privilege to run.');
+    exit;
 }
diff --git a/yeswiki-installer.utils.inc.php b/yeswiki-installer.utils.inc.php
deleted file mode 100644
index a2ad763..0000000
--- a/yeswiki-installer.utils.inc.php
+++ /dev/null
@@ -1,134 +0,0 @@
-<?php
-
-function checkDNS($domain, $ip4 = '138.201.86.17', $ip6 = '2a01:4f8:172:21c9::2') {
-	if (!preg_match('/(?=^.{4,253}$)(^((?!-)[a-zA-Z0-9-]{0,62}[a-zA-Z0-9]\.)+[a-zA-Z]{2,63}$)/', strtolower($domain))) {
-		return ['error' => 'Not valid domain.'];
-	}
-	$currentip = dns_get_record($domain, DNS_A + DNS_AAAA);
-	if ($currentip[0]['ip'] !== $ip4) {
-		return ['error' => 'The current ip v4 address of '.$domain.' is '.$currentip[0]['ip'].'. it should be '.$ip4];
-	}
-	if ($currentip[1]['ipv6'] !== $ip6) {
-		return ['error' => 'The current ip v6 address of '.$domain.' is '.$currentip[1]['ipv6'].'. it should be '.$ip6];
-	}
-	return true;
-}
-
-function checkIfInstalled($domain) {
-	return true;
-}
-
-function checkIfUserExist($user) {
-	return true;
-}
-
-function generateUserFromDomain($domain, $recursive = null) {
-	$user = 'toto';
-	return $user;
-}
-
-function generatePassword($length = 32, $add_dashes = false, $available_sets = 'luds') {
-	$sets = array();
-    if(strpos($available_sets, 'l') !== false)
-        $sets[] = 'abcdefghjkmnpqrstuvwxyz';
-    if(strpos($available_sets, 'u') !== false)
-        $sets[] = 'ABCDEFGHJKMNPQRSTUVWXYZ';
-    if(strpos($available_sets, 'd') !== false)
-        $sets[] = '23456789';
-    if(strpos($available_sets, 's') !== false)
-        $sets[] = '!@#$%&*?';
-
-    $all = '';
-    $password = '';
-    foreach($sets as $set)
-    {
-        $password .= $set[array_rand(str_split($set))];
-        $all .= $set;
-    }
-
-    $all = str_split($all);
-    for($i = 0; $i < $length - count($sets); $i++)
-        $password .= $all[array_rand($all)];
-
-    $password = str_shuffle($password);
-
-    if(!$add_dashes)
-        return $password;
-
-    $dash_len = floor(sqrt($length));
-    $dash_str = '';
-    while(strlen($password) > $dash_len)
-    {
-        $dash_str .= substr($password, 0, $dash_len) . '-';
-        $password = substr($password, $dash_len);
-    }
-    $dash_str .= $password;
-    return $dash_str;
-}
-
-function createSQLUserAndDatabase($user) {
-	$pass = generatePassword();
-	return ['database' => 'dbtata', 'user' => 'dbtata', 'password' => $pass];	
-}
-
-function createUnixUserWithQuota($user, $quota) {
-	$pass = generatePassword();
-	return ['user' => 'toto', 'password' => $pass, 'quota' => $quota];
-}
-
-function createNginxConfig($domain, $user) {
-	
-}
-
-function createPhpFpmConfig($user) {
-	
-}
-
-function copyYesWikiFiles($domain, $user) {
-	
-}
-
-function copyYesWikiDatabase($databaseModel) {
-	
-}
-
-function addHerse($id, $pass) {
-	return ['user' => $id, 'password' => $pass];
-}
-
-function installYesWiki($domain, $quota, $type) {
-	$res = checkDNS($domain);
-	if (!empty($res['error'])) {
-		return $res;
-	}
-	$res = checkIfInstalled($domain);
-	if (!empty($res['error'])) {
-		return $res;
-	}
-	$user = generateUserFromDomain($domain);
-	$unixUser = createUnixUserWithQuota($user, $quota);
-	$dbUser = createSQLUserAndDatabase($user);
-	createNginxConfig($domain, $user);
-	createPhpFpmConfig($user);
-	copyYesWikiFiles($domain, $user);
-	$databaseModel = ($type === 'solo') ? 'modelesolo' : 'modeleferme' ;
-	copyYesWikiDatabase($databaseModel);
-
-	$herseUser = [];
-	if (!empty($herseId) && !empty($hersePass)) {
-		$herseUser = addHerse($herseId, $hersePass);	
-	}
-	return [
-		'domain'=> $domain,
-		'type'  => $type,
-		'user'  => $unixUser,
-		'db'    => $dbUser,
-		'herse' => $herseUser
-	]; 
-}
-
-function removeYesWiki($domain, $user) {
-	// enlever la db et le user sql
-	// enlever la config nginx et la conf php-fpm
-	// enlever le user unix et son home
-}
diff --git a/yeswiki-remover.php b/yeswiki-remover.php
new file mode 100755
index 0000000..baf2096
--- /dev/null
+++ b/yeswiki-remover.php
@@ -0,0 +1,65 @@
+#!/usr/bin/php
+<?php
+require_once('vendor/autoload.php');
+require_once('utils.inc.php');
+
+use DevCoder\DotEnv;
+
+$climate = new League\CLImate\CLImate();
+$climate->description('yeswiki-remover, remove a domain used for YesWiki because death is not the end 💀😈');
+
+if (0 == posix_getuid()) {
+    $absolutePathToEnvFile = __DIR__ . '/.env';
+    if (file_exists($absolutePathToEnvFile)) {
+        (new DotEnv($absolutePathToEnvFile))->load();
+    } else {
+        $climate->error('ERROR : No .env file found.');
+        exit;
+    }
+
+    $climate->arguments->add([
+        'domain' => [
+            'prefix'       => 'd',
+            'longPrefix'   => 'domain',
+            'description'  => 'Domain name that will be removed',
+            'required'     => true,
+            'defaultValue' => 'example.com'
+        ],
+        'confirm' => [
+            'prefix'       => 'y',
+            'longPrefix'   => 'yes',
+            'description'  => 'Say yes to every confirmation check (no prompt)',
+            'noValue'      => true,
+        ],
+    ]);
+    $climate->arguments->parse();
+    $domain = $climate->arguments->get('domain');
+    if (!empty($domain) && $domain !== 'example.com') {
+        try {
+            $confirm = $climate->arguments->get('confirm');
+            $user = findUserFromExistingDomain($domain);
+            $climate->bold()->underline()->out('Removal of YesWiki');
+            $climate->out('This will remove <bold>'.$domain.'</bold> with the user <bold>'.$user.'</bold>'."\n");
+            $input = $climate->confirm('Shall we really do it ?');
+            if ($confirm || $input->confirmed()) {
+                removeUnixUser($user);
+                removeNginxConfig($domain, $user);
+                removePhpFpmConfig($user);
+                removeMySQLUserAndDatabase($user);
+                $climate->shout(
+                    'The yeswiki on <bold>'.$domain.'</bold> was successfully removed, congrats ! 🎉'."\n"
+                );
+            // TODO : send log, send email
+            } else {
+                $climate->info('Ok, let\'s stop here...');
+            }
+        } catch (Exception $e) {
+            $climate->error('ERROR : '.$e->getMessage());
+        }
+    } else {
+        $climate->usage();
+    }
+} else {
+    $climate->error('ERROR : this script needs root privilege to run.');
+    exit;
+}