[CentOS] Problem with ntp
C.L. Martinez
carlopmart at gmail.com
Mon Mar 9 16:03:19 UTC 2015
On 03/09/2015 03:42 PM, Paul Heinlein wrote:
> On Mon, 9 Mar 2015, C.L. Martinez wrote:
>
>> Hi all,
>>
>> I have a problem with ntpd daemon in my CentOS7 vm. When I try to list
>> peers, command fails: [....]
>>
>> [root at c7tst ntpstats]# ntpq
>> ntpq> pe
>> ntpq: read: Connection refused
>> ntpq>
>
> 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:
[root at c7tst tmp]$ ntpq -4
ntpq> pe
remote refid st t when poll reach delay offset
jitter
==============================================================================
*lafkor.de 192.93.2.20 2 u 5 64 1 64.748 1.130
0.268
primary.server. 134.130.5.17 2 u 4 64 1 83.842 1.120
0.614
ntp1.warwicknet 195.66.241.10 2 u 5 64 1 66.697 -1.593
0.504
ntp.univ-poitie 193.50.27.66 3 u 5 64 1 72.149 10.225
2.323
ntpq> quit
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??
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