init-+-bash
     |-cron---2*[cron---sh---php]
     |-dbus-daemon
     |-exim4
     |-fail2ban-server---2*[{fail2ban-server}]
     |-6*[getty]
     |-irqbalance
     |-mongod---16*[{mongod}]
     |-mysqld---23*[{mysqld}]
     |-nginx---4*[nginx]
     |-node---9*[{node}]
     |-php5-fpm---3*[php5-fpm]
     |-python
     |-redis-server---2*[{redis-server}]
     |-rsyslogd---3*[{rsyslogd}]
     |-sshd---sshd---sshd---bash-+-9*[htop]
     |                           |-pstree
     |                           `-2*[top]
     |-systemd-logind
     |-systemd-udevd
     |-upstart-file-br
     |-upstart-socket-
     `-upstart-udev-br