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??