PREIN

/bin/sh

# Add the "zabbix" user
/usr/sbin/useradd -c "Zabbix Monitoring System" \
        -s /sbin/nologin -r -d /var/lib/zabbix zabbix 2> /dev/null || :

PREUN

/bin/sh

if [ "$1" = 0 ]
then
  /sbin/service zabbix-agent stop >/dev/null 2>&1 || :
  /sbin/chkconfig --del zabbix-agent
fi

POSTIN

/bin/sh

/sbin/chkconfig --add zabbix-agent