ubuntu create vpn connection

ubuntu create vpn connection

Ubuntu 13.04 Trying to connect to VPN with having IP, username and
password. In Windows vpn connection does work. Thanks in advance.
/etc/ppp/options.pptp
lock
noauth
nobsdcomp
nodeflate
persist
/etc/ppp/peers/vpn
maxfail 0
lcp-echo-interval 60
lcp-echo-failure 4
defaultroute
pty "pptp x.x.x.x --nolaunchpppd"
name user
remotename PPTP
+chap
file /etc/ppp/options.pptp
ipparam vpn
/var/log/syslog
Aug 23 10:16:28 av-HP-Pro-3500-Series pppd[1225]: pppd 2.4.5 started by
root, uid 0
Aug 23 10:16:28 av-HP-Pro-3500-Series pppd[1225]: using channel 50999
Aug 23 10:16:28 av-HP-Pro-3500-Series pppd[1225]: Using interface ppp0
Aug 23 10:16:28 av-HP-Pro-3500-Series pppd[1225]: Connect: ppp0 <-->
/dev/pts/26
Aug 23 10:16:28 av-HP-Pro-3500-Series NetworkManager[1031]:
SCPlugin-Ifupdown: devices added (path: /sys/devices/virtual/net/ppp0,
iface: ppp0)
Aug 23 10:16:28 av-HP-Pro-3500-Series NetworkManager[1031]:
SCPlugin-Ifupdown: device added (path: /sys/devices/virtual/net/ppp0,
iface: ppp0): no ifupdown configuration found.
Aug 23 10:16:28 av-HP-Pro-3500-Series NetworkManager[1031]: <warn>
/sys/devices/virtual/net/ppp0: couldn't determine device driver;
ignoring...
Aug 23 10:16:28 av-HP-Pro-3500-Series pptp[1227]: anon
log[main:pptp.c:314]: The synchronous pptp option is NOT activated
Aug 23 10:17:01 av-HP-Pro-3500-Series CRON[1234]: (root) CMD ( cd / &&
run-parts --report /etc/cron.hourly)
Aug 23 10:19:06 av-HP-Pro-3500-Series pppd[1225]: Terminating on signal 15
Aug 23 10:19:06 av-HP-Pro-3500-Series pppd[1225]: Connection terminated.