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Linux Journal: The System Logging Daemons, syslogd and klog

Jul 03, 2000, 23:08 (0 Talkback[s])
(Other stories by Michael A. Schwarz)

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"Take command of your log files by learning to handle those pesky logging daemons."

"Most UNIX-like systems since the early days of BSD (and Linux certainly falls in this category) have provided an API for application programs to send log messages to the system, where they can be centrally handled at the discretion of the system operator. Prior to the creation of this facility, each application program would handle log messages in its own way. Some would write to STDERR, some would write to a file, some would write to a pipe, and some would offer all these options or more."

"As the number and complexity of applications on a system grows, so too does the complexity of the system administrator's job. Applications and their messages vary widely in their significance to certain audiences. If a number of applications are considered ``critical'' and their status is the system administrator's responsibility, he does not want to search to find out where and how every critical application logs its status. That's where syslogd comes in."

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