$ sudo ntpdate 12 Nov 00:13:41 ntpdate: no servers can be used, exiting
$ ping ru.pool.ntp.org -c 1 PING ru.pool.ntp.org (188.8.131.52) 56(84) bytes of data. 64 bytes from 184.108.40.206: icmp_seq=1 ttl=45 time=1092 ms
--- ru.pool.ntp.org ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 1092.369/1092.369/1092.369/0.000 ms
$ cat /etc/ntp.conf # /etc/ntp.conf, configuration for ntpd; see ntp.conf(5) for help
# Enable this if you want statistics to be logged. #statsdir /var/log/ntpstats/
statistics loopstats peerstats clockstats filegen loopstats file loopstats type day enable filegen peerstats file peerstats type day enable filegen clockstats file clockstats type day enable
# You do need to talk to an NTP server or two (or three).
# Access control configuration; see /usr/share/doc/ntp-doc/html/accopt.html for # details. The web page <http://support.ntp.org/bin/view/Support/AccessRestrictions> # might also be helpful. # # Note that "restrict" applies to both servers and clients, so a configuration # that might be intended to block requests from certain clients could also end # up blocking replies from your own upstream servers.
# By default, exchange time with everybody, but don't allow configuration. restrict -4 default kod notrap nomodify nopeer noquery restrict -6 default kod notrap nomodify nopeer noquery
# Local users may interrogate the ntp server more closely. restrict 127.0.0.1 restrict ::1
# Clients from this (example!) subnet have unlimited access, but only if # cryptographically authenticated. #restrict 192.168.123.0 mask 255.255.255.0 notrust
# If you want to provide time to your local subnet, change the next line. # (Again, the address is an example only.) #broadcast 192.168.123.255
# If you want to listen to time broadcasts on your local subnet, de-comment the # next lines. Please do this only if you trust everybody on the network! #disable auth #broadcastclient server ru.pool.ntp.org server ru.pool.ntp.org server ru.pool.ntp.org