Our network admin blocked ports (don't know why - i asked him 2 weeks before I started to troubleshoot the system). Everything is fine now, thanks for help. -----Original Message----- From: Mark Milhollan [mailto:mlm at pixelgate.net] Sent: Monday, December 29, 2014 9:21 PM To: Mateusz Guz Subject: RE: [CentOS] (py)curl error 7 On Mon, 29 Dec 2014, Mateusz Guz wrote: >Ip -6 a shows no output > >after "visual" inspection i don't see any ipv6 addresses assigned to my eth interfaces > >On Mon, 29 Dec 2014, Mateusz Guz wrote: >>On Sun, 28 Dec 2014, Mark Milhollan wrote: >>>On Fri, 26 Dec 2014, Mateusz Guz wrote: > >>>>created /etc/modprobe.d/ipv6_disable.conf file with >>>>alias net-pf-10 off >>>>alias ipv6 off >>>>options ipv6 disable=1 >>> >>>These only take effect if you reboot or unload the modules manually. >> >>Tryning not to reboot, when unloading I get the message that the modules is in use. >>I think that forcing the unload is too dangerouse, read that it might resolve in kernel panic. > >Forcing an unload wouldn't be wise. You must stop using the module then >you can unload it. Busy usually means you have IPv6 addresses on some >interfaces -- ip -6 addr flush dev ethX. > > >/mark > Sorry, you'll have to find where else you are using IPv6. /mark