PREIN

/bin/sh

if [ $1 = 1 ]; then
  getent group ntop >/dev/null || groupadd -r ntop
  getent passwd ntop >/dev/null || \
         useradd -r -g ntop -d /var/lib/ntop -s /sbin/nologin \
                 -c "ntop" ntop
fi

PREUN

/bin/sh

if [ $1 -eq 0 ] ; then
    # Package removal, not upgrade
    /bin/systemctl --no-reload disable ntop.service > /dev/null 2>&1 || :
    /bin/systemctl stop ntop.service > /dev/null 2>&1 || :
fi

POSTIN

/bin/sh

if [ $1 -eq 1 ] ; then 
    # Initial installation 
    /bin/systemctl daemon-reload >/dev/null 2>&1 || :
fi
/sbin/ldconfig
# create new self-signed certificate
if [ ! -f /etc/ntop/ntop-cert.pem ] ; then
 #get hosname
 FQDN=`hostname`
 if [ "x${FQDN}" = "x" ]; then
    FQDN=localhost.localdomain
 fi
 #create key and certificate in one file
 cat << EOF | /usr/bin/openssl req -new -newkey rsa:1024 -days 365 -nodes -x509 -keyout /etc/ntop/ntop-cert.pem  -out /etc/ntop/ntop-cert.pem 2>/dev/null
--
SomeState
SomeCity
SomeOrganization
SomeOrganizationalUnit
${FQDN}
root@${FQDN}
EOF
fi

POSTUN

/bin/sh

/bin/systemctl daemon-reload >/dev/null 2>&1 || :
if [ $1 -ge 1 ] ; then
    # Package upgrade, not uninstall
    /bin/systemctl try-restart ntop.service >/dev/null 2>&1 || :
fi
/sbin/ldconfig

Triggers

ntop < 3.4-0.8.pre3

/bin/sh

# Save the current service runlevel info
# User must manually run systemd-sysv-convert --apply ntop
# to migrate them to systemd targets
/usr/bin/systemd-sysv-convert --save ntop >/dev/null 2>&1 ||:

# Run these because the SysV package being removed won't do them
/sbin/chkconfig --del ntop >/dev/null 2>&1 || :
/bin/systemctl try-restart ntop.service >/dev/null 2>&1 || :