Installation on Debian 7, 8 / Ubuntu 16.04 Server

With Nginx & MySQL

Prerequisites

apt-get install curl git-core patch build-essential bison zlib1g-dev libssl-dev libxml2-dev libxml2-dev sqlite3 libsqlite3-dev autotools-dev libxslt1-dev libyaml-0-2 autoconf automake libreadline6-dev libyaml-dev libtool libgmp-dev libgdbm-dev libncurses5-dev pkg-config libffi-dev libmysqlclient-dev mysql-server nginx gawk

Add User

useradd zammad -m -d /opt/zammad -s /bin/bash
echo "export RAILS_ENV=production" >> /opt/zammad/.bashrc

Create MySQL User zammad (for Debian: upgrade MySQL to v5.6+ before, see: http://dev.mysql.com/downloads/repo/apt/)

mysql --defaults-extra-file=/etc/mysql/debian.cnf -e "CREATE USER 'zammad'@'localhost' IDENTIFIED BY 'Your_Pass_Word!'; GRANT ALL PRIVILEGES ON zammad_prod.* TO 'zammad'@'localhost'; FLUSH PRIVILEGES;"

Get Zammad

su zammad
cd ~
wget https://ftp.zammad.com/zammad-latest.tar.gz
tar -xzf zammad-latest.tar.gz
exit

Create Nginx Config

cp /opt/zammad/contrib/nginx/zammad.conf /etc/nginx/sites-available/zammad.conf
vi /etc/nginx/sites-available/zammad.conf
- change servername "localhost" to your domain if your're not testing localy
ln -s /etc/nginx/sites-available/zammad.conf /etc/nginx/sites-enabled/zammad.conf

Install Environnment

su zammad
cd ~
gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
curl -L https://get.rvm.io | bash -s stable
source /opt/zammad/.rvm/scripts/rvm
echo "source /opt/zammad/.rvm/scripts/rvm" >> /opt/zammad/.bashrc
echo "rvm --default use 2.3.1" >> /opt/zammad/.bashrc
rvm install 2.3.1
gem install bundler

Install Zammad

bundle install --without test development postgres
cp config/database.yml.dist config/database.yml
vi config/database.yml
- insert mysql user, pass & host
rake db:create
rake db:migrate
rake db:seed
rake assets:precompile

Start Zammad

rails s -p 3000 &>> log/zammad.log &
script/websocket-server.rb start &>> log/zammad.log &
script/scheduler.rb start &>> log/zammad.log &

Restart nginx as root

exit
systemctl restart nginx