ntpdate 問題

root@jktn:~# /usr/sbin/ntpdate -u time.asia.apple.com | hwclock -w > /dev/null
Error : Name or service not known
1 Jun 22:48:07 ntpdate[9890]: can't find host time.asia.apple.com

1 Jun 22:48:07 ntpdate[9890]: no servers can be used, exiting
root@jktn:~# /usr/sbin/ntpdate -u 0.debian.pool.ntp.org
Error : Name or service not known
1 Jun 22:49:47 ntpdate[9899]: can't find host 0.debian.pool.ntp.org

1 Jun 22:49:47 ntpdate[9899]: no servers can be used, exiting
root@jktn:~# ping www.yahoo.com
ping: unknown host www.yahoo.com

近來不知為什麼有這個問題，不明所以，而且我的fw沒有block 53 和123 port。所以沒理由會unknown host.

不過用

# /usr/sbin/ntpdate-debian

就沒問題了。

Reference:
NTPDATE - no server suitable for synchronization found 修復