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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·ÖÖØ¾Í¿ÉÒÔÓë¹ú¼ÒÊÚʱÖÐÐĽøÐÐͬ²½ÁË¡£
×¢Ò⣺ ÔÚʹÓÃntpdate ÃüÁîʱ£¬ ntpd ·þÎñ±ØÐëÊǹرյģ¬ ·ñÔò»á±¨the NTP socket is in use, exiting ´íÎó¡£
¹Ø±Õ ntpd ·þÎñÃüÁîÈçÏ£º
[root@node2 init.d]# /etc/init.d/ntpd stop
Shutting down ntpd: [ OK ]
1.2. ¼ÜÉè±¾µØÊ±¼ä·þÎñÆ÷
ÐèÒªÐÞ¸Ä /etc/ntp.confÎļþÀïµÄ¼¸¸öÅäÖþͿÉÒÔÁË£¬±ÈÈç±¾µØÊ±¼ä·þÎñÆ÷IP Ϊ 10.85.10.119£¬ ÅäÖÃÈçÏ£º
server 210.72.145.44 prefer £¨Öйú¹ú¼ÒÊÚʱÖÐÐÄ·þÎñÆ÷µØÖ· prefer±íʾÓÅÏÈ ×¢Òâ°ÑĬÈϵÄserver¸ü¸Ä³ÉÕâÑù£©
server 127.127.1.0 £¨±¾µØÊ±¼ä)
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£©
ÆäËûµÄ±£³ÖĬÈϲ»¶¯¡£
ʹNTP·þÎñ¿ÉÒÔÔÚϵͳÒýµ¼µÄʱºò×Ô¶¯Æô¶¯£¬Ö´ÐУº
# chkconfig ntpd on
Æô¶¯/¹Ø±Õ/ÖØÆôNTPµÄÃüÁ
# /etc/init.d/ntpd start
# /etc/init.d/ntpd stop &nbs
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how to install apache, PHP and MySQL on Linux
This tutorial explains the installation of Apache web server, bundled
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Linux-like operating ......
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