command to check log file in linux

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Transferred from: http://blog.chinaunix.net/uid-24250828-id-3198922.html1)/var/log/secure: Record log in system to access data files;For example: POP3,SSH,TELNET,FTP, etc. will be recorded here.2)/ar/log/btmp: Record login This information record,

1)/var/log/secure: Record the log in system Access data file; For example: Pop3,ssh,telnet,ftp and so on will be recorded here. 2)/ar/log/btmp: Record logged in this information record, has been encoded, so must be resolved by the last; For

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Log files are helpful in diagnosing and resolving problems in the system, because programs that run on Linux systems often write system messages and error messages to the appropriate log files, so that the system can be "documented" once problems

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This article "My MySQL Learning experience (15)" will explain the MySQL logThe logs in MySQL are divided into 4 categories, and using these log files, you can see what's happening inside MySQL.respectively is1, error log: Log the MySQL service start,

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First-recognized Log File System in centos-ext3 Outline 1. Log File System 2. Advantages of ext3 3. Three log modes of ext3 4. Select log Mode 1. Log File System Generally, when a file is written to a system running, the metadata of the file (such