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   1.½«/etc/ϵÄÎļþntp.confÐÞ¸ÄÈçÏ£º
   server 127.127.1.0 minpoll 4 maxpoll 5
   fudge 127.127.1.0 stratum 2
   restrict 127.0.0.1
   driftfile /var/lib/ntp/drift
   2.½«/etc/ntpϵÄÎļþntpserversÄÚÈÝÖÿÕ
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   server 192.168.0.1 minpoll 4 maxpoll 5
   fudge 127.127.1.0 stratum 3
   restrict 127.0.0.1
   driftfile /var/lib/ntp/drift
   logfile /etc/ntp.log
   restrict 192.168.0.1 mask 255.255.255.255
   2.½«/etc/ntpϵÄÎļþntpserversÄÚÈÝÖÿÕ
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backup.sh
rq=`date '+%Y%m%d%H%M'`
su - oracle -c "exp zjhk/zjhk_123 owner=zjhk file=/home/oracle/zjhk_$rq.dmp"
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samba-s ......

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