????????Linux NTP?????????

????1.Linux????????????????

??????Linux ???????????У??????????? ntpdate ?????

????ntpdate 192.168.0.1 #192.168.0.1??NTP????????IP

??????????????hwclock?????????д??bios

????hwclock -w

?????????????????У??????????crond???????????С?

?????? /etc/crontab ???

??????????????У?

????30 8 * * * root /usr/sbin/ntpdate 192.168.0.1; /sbin/hwclock -w #192.168.0.1??NTP????????IP???

???????????crond????

????service crond restart

????????????? 8:30 Linux ???????????????????У???

????2. ???滷???????÷???

?????????????λ?????????ù??????RHEL 4.0?е?????????????ù???????????????????м?“redhat-config-time”???????????“K???/??????/?????????”???????????????ù???????ù??????????????????????????????????????????????????á?????????????????

??????. Windows XP??2003??2000?????NTP???????У?

???????ò?????????У?????Windows XP??Windows 2003???????

????1?? ??????????????“???”???? [ ???????? ???? ] ????????

????2??  ??? [ Internet??? ] ????? ??? [ ?????Internet??????????? ] ????? [ ?????? ] ????????????????ip???????????????? [ ??? ] ???? [ ???????? ] ??????????

???????ò?????????У?????Windows 2000???????

????1??  ?? [ ??????? ] ?д? [ ??????? ]????? [ ???? ] ???????????? [ Windows Time ]

????2??  ?????????????????“Windows Time??????”??????“???????”?“???”???????????????

????3?? ????л?????????????DOS??????????Windows?????????????

????net time /setsntp??xxx.xxx.xxx.xxx (????????????????ip???)

?????????????????????????????????????????????????

????net stop w32time
????net start w32time

????????????????????????????????W32tm.exe ??????????????????????????????????????????????????????W32tm.exe ???????????????????????Windows 2000????????w32time??????Windows ????W32Time?????? Kerberos ??????Э????????????????Windows ???????????????????????? Microsoft Windows 2000 ?????汾?????м????????????????

?????塢windows 98/me/NT???????ù??????Automachron?????????

????Windows 98/nt???????Automachron?????

????1. ????achron5???????ftp://ftp.agri.sjtu.edu.cn/pub1/Internet/time/achron5.exe

????2.????????

????3.???У?????-->Automachron-->Automachron??

????4.????????????????????Automachron???-->Properties-->Host-->Network Host??

????????ntp.sjtu.edu.cn??Sync at startup?????????Run at startup???????

?????????????????????????????????????????Sync???????