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# crontab -e
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*/1 * * * * ntpdate 210.72.145.44
210.72.145.44 ΪÖйú¹ú¼ÒÊÚʱÖÐÐÄ·þÎñÆ÷µØÖ·£¬ÕâÑù¸Ã»úÿ¸ô1·ÖÖؾͿÉÒÔÓë¹ú¼ÒÊÚʱÖÐÐĽøÐÐͬ²½ÁË¡£
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[root@node2 init.d]# /etc/init.d/ntpd stop
Shutting down ntpd: [ OK ]
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server 210.72.145.44 prefer £¨Öйú¹ú¼ÒÊÚʱÖÐÐÄ·þÎñÆ÷µØÖ· prefer±íʾÓÅÏÈ ×¢Òâ°ÑĬÈϵÄserver¸ü¸Ä³ÉÕâÑù£©
server 127.127.1.0 £¨±¾µØʱ¼ä)
restrict 10.85.10.0 mask 255.255.255.0 nomodify (ÔÊÐí10..85.10.* µÄIP ʹÓøÃʱ¼ä·þÎñÆ÷)
restrict 0.0.0.0 mask 0.0.0.0 nomodify notrap noquery notrust £¨ÆÁ±ÎÆäËûIP¹ýÀ´¸üÐÂʱ¼ä£©
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# chkconfig ntpd on
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# /etc/init.d/ntpd start
# /etc/init.d/ntpd stop &nbs
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