[CentOS] Problem with ntp
Paul Heinlein
heinlein at madboa.com
Mon Mar 9 16:25:11 UTC 2015
On Mon, 9 Mar 2015, C.L. Martinez wrote:
>> Does "ntpq -4 -c peer" work? If so, then the problem is related to
>> access via IPv6 and this line in ntp.conf:
>>
>> > # Permit all access over the loopback interface. This could
>> > # be tightened as well, but to do so would effect some of
>> > # the administrative functions.
>> > restrict 127.0.0.1
>> > #restrict ::1
>>
>> Uncommnent the IPv6 restrict entry, restart ntpd, and try again.
>
> Yep, using "ntpq -4", works [....]
>
> Uhmm .. Then, my problem is with Ipv6. I have disabled all IPv6 stack using
> ipv6_disable=1 in grub.cfg ...
>
> According to this I need to re-enable ... Correct??
I think you'll find that IPv6 is alive and well on your machine. A
quick peek will show you:
/sbin/ip -6 addr
In the "lo" device, you'll see the standard "::1/128" loopback
address. In your ethernet devices, you'll probably see "fe80::/64"
link-local addresses.
All you need to do is uncomment the "restrict ::1" entry in your
ntp.conf and restart ntpd.
--
Paul Heinlein
heinlein at madboa.com
45°38' N, 122°6' W
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