1. When you execute this command, ntpdate us.pool.ntp.org has an error message.
Name Server cannot be used: temporary failure in name resolution
2. solution (add DNS server)
VI/etc/resolv. conf
Add: nameserver 8.8.4.4
3. Common NTP server addresses and IP addresses in China
2011-09-07 15:06:08
210.72.145.44 (IP address of the National Time Service Center Server)
133.100.11.8 Fukuoka University of Japan
Time-a.nist.gov 129.6.15.28 NIST, Gaithersburg, Maryland
Time-b.nist.gov 129.6.15.29 NIST, Gaithersburg, Maryland
Time-a.timefreq.bldrdoc.gov 132133.4.101 NIST, Boulder, Colorado
Time-b.timefreq.bldrdoc.gov 132133.4.102 NIST, Boulder, Colorado
Time-c.timefreq.bldrdoc.gov 132133.4.103 NIST, Boulder, Colorado
Utcnist.colorado.edu 128.138.140.44 University of Colorado, Boulder
Time.nist.gov 192.43.244.18 NCAR, Boulder, Colorado
Time-nw.nist.gov 131.107.1.10 Microsoft, Redmond, Washington
Nist1.mongoricom.com 69.25.96.13 mongoricom, San Jose, California
Nist1-dc.glassey.com 216.200.93.8 abovenet, Virginia
Nist1-ny.glassey.com 208.184.49.9 abovenet, New York City
Nist1-sj.glassey.com 207.126.98.204 abovenet, San Jose, California
Nist1.aol-ca.truetime.com 207.200.81.113 truetime, AOL facility, Sunnyvale, California.
Nist1.aol-va.truetime.com 64.236.96.53 truetime, AOL facility, Virginia
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Ntp.sjtu.edu.cn 202.120.2.101 (address of the NTP server in the Network Center of Shanghai Jiao Tong University)
S1a.time.edu.cn Beijing University of Posts and Telecommunications
S1b.time.edu.cn Tsinghua University
S1c.time.edu.cn Peking University
S1d.time.edu.cn Southeast University
S1e.time.edu.cn Tsinghua University
S2a.time.edu.cn Tsinghua University
S2b.time.edu.cn Tsinghua University
S2c.time.edu.cn Beijing University of Posts and Telecommunications
S2d.time.edu.cn Southwest China Network Center
S2e.time.edu.cn northwest China Network Center
S2f.time.edu.cn network center in Northeast China
S2g.time.edu.cn East China South Network Center
S2h.time.edu.cn Sichuan University Network Management Center
S2j.time.edu.cn Dalian University of Technology Network Center
S2k.time.edu.cn CERNET Guilin master node
S2m.time.edu.cn Peking University
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