apt-get install php-pear php5-mysql php5-ldap apache2 php5-gd php5-geoip php5-intl php5-imagick php5-memcache php5-tidy php5-curl geoip-database php-apc
pear channel-discover pear.horde.org
pear install channel://pear.php.net/HTTP_WebDAV_Server-1.0.0RC8
pear install pear/MDB2#mysql
pear install channel://pear.php.net/XML_Serializer-0.20.2
pear install 'channel://pear.php.net/Date_Holidays-0.21.5'
pear install Net_LDAP
pear install horde/horde_role
pear run-scripts horde/horde_role
pear install -a -B horde/webmail

root@imp-1:~# apt-get install mysql-client-5.5 mysql-server-5.5
root@imp-1:~# mysql -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or g.
Your MySQL connection id is 44
Server version: 5.5.40-1 (Debian)

Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or 'h' for help. Type 'c' to clear the current input statement.

mysql> CREATE DATABASE imp CHARSET='UTF8';
Query OK, 1 row affected (0.00 sec)

mysql> CREATE USER 'imp'@'localhost' IDENTIFIED BY 'mysecret';
Query OK, 0 rows affected (0.00 sec)

mysql> GRANT ALL PRIVILEGES ON imp.* TO 'imp'@'localhost';
Query OK, 0 rows affected (0.00 sec)

mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)

mysql> exit
Bye
root@imp-1:~#

root@imp-1:/# /usr/bin/webmail-install

Installing Horde Groupware Webmail Edition

Configuring database settings

What database backend should we use?
(false) [None]
(mysql) MySQL / PDO
(mysqli) MySQL (mysqli)
(oci8) Oracle
(pgsql) PostgreSQL
(sqlite) SQLite

Type your choice []: mysql

Username to connect to the database as* [] imp
Password to connect with
How should we connect to the database?
(unix) UNIX Sockets
(tcp) TCP/IP

Type your choice [unix]:

Location of UNIX socket [] /var/run/mysqld/mysqld.sock

Database name to use* [] imp

Internally used charset* [utf-8]
Use SSL to connect to the server?
(1) Yes
(0) No

Type your choice [0]:

Certification Authority to use for SSL connections []
Split reads to a different server?
(false) Disabled
(true) Enabled

Type your choice [false]:

Writing main configuration file... done.

Creating and updating database tables... done.

Configuring administrator settings

Specify an existing mail user who you want to give administrator
permissions (optional):

Writing main configuration file... done.

Thank you for using Horde Groupware Webmail Edition!

cd /opt
git clone git://git.renater.fr/esup-horde.git
cp esup-horde/auth-backend/Cas.php .
patch -p0 < esup-horde/auth-renew/method_patch/ingo_lib_Transport_Timsieved.php.patch
cd /usr/share/php
patch -p0 < /opt/esup-horde/auth-renew/method_patch/Horde_Imap_Client_Socket.php.patch