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1. /var/log/messages
/var/log/messages ÊÇLinuxϵͳÖд洢ͨÀýϵͳÐÂÎŵÄÈÕÖ¾Îļþ£¬°üÀ¨ÁËϵͳµÄÔËÐÐ״̬¡¢Àú³ÌÆô¶¯ºÍ×èÖ¹¡¢Ó²¼þ×°±¸ÐÅÏ¢µÈ¡£ÒÔÏÂÊÇ/var/log/messagesÎļþµÄÁÐÊý¼°Æä¼ÄÒ壺
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tail -f /var/log/messages
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2. /var/log/auth.log
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cat /var/log/auth.log | grep "Failed password"
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3. /var/log/syslog
/var/log/syslog ÊÇLinuxϵͳÖÐ×îΪÖÜÈ«µÄϵͳÈÕÖ¾Îļþ£¬°üÀ¨ÁËÖÖÖÖϵͳÊÂÎñºÍ¹ýʧÐÅÏ¢¡£ÒÔÏÂÊÇ/var/log/syslogÎļþµÄÁÐÊý¼°Æä¼ÄÒ壺
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cat /var/log/syslog | grep "error"
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