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Dynamischen DNS-Eintrag mit ddclient aktualisieren

Installation

yum install ddclient
yum install perl-IO-Socket-SSL

Konfiguration

Die Konfigurationsdatei /etc/ddclient/ddclient.conf erstellen.

vim /etc/ddclient/ddclient.conf

daemon=600
pid=/var/run/ddclient.pid
syslog=yes
use=web, web=checkip.dyndns.com/, web-skip='IP Address'
login=Benutzername
password=Passwort
protocol=dyndns2
server=members.dyndns.org
Hostname.dyndns.org
ssl=yes

Sicher machen

chown root:root /etc/ddclient/ddclient.conf
chmod 0600 /etc/ddclient/ddclient.conf

Init-Script erstellen:

#!/bin/sh
# chkconfig: - 65 35
# description: ddclient provides support for updating dynamic DNS services.

# Check that config file exist
[ -f /etc/ddclient/ddclient.conf ] || exit 0

# Source function library
. /etc/rc.d/init.d/functions

# Source networking configuration
. /etc/sysconfig/network

# Check that networking is up
[ "$NETWORKING" = "no" ] && exit 0

exec=/usr/sbin/ddclient
lockfile=/var/lock/subsys/ddclient
cache=/var/cache/ddclient/ddclient.cache
pid=/var/run/ddclient.pid

start() {
  echo -n "Starting ddclient: "
  [ -f $cache ] || touch $cache
  chown ddclient:ddclient $cache && chmod 0600 $cache || exit $?
  [ -f $pid ] || touch $pid
  chown ddclient:ddclient $pid && chmod 0600 $pid || exit $?
  daemon --user=ddclient --pidfile=$pid $exec
  retval=$?
  echo
  [ $retval -eq 0 ] && touch $lockfile
  return $retval
  }

stop() {
  echo -n "Stopping ddclient: "
  killproc $exec
  retval=$?
  echo
  [ $retval -eq 0 ] && rm -f $lockfile
  return $retval
  }

case "$1" in
  start)
    start
    ;;
  stop)
    stop
    ;;
  restart)
    stop
    start
    ;;
  status)
    status ddclient
    ;;
  *)
    echo "Usage: $0 {start|stop|restart|status}"
    ;;
esac

exit 0

In den Autostart aufnehmen:

chmod 0755 /etc/rc.d/init.d/ddclient
chkconfig --add ddclient
chkconfig --level 35 ddclient on

Link:
http://www.gtkdb.de/index_7_830.html