Use shell to write information to syslog log files

Use shellSYslog log file write information

ApplicationProgramUse S The log file (in the/var/log directory) That yslog sends messages to the Linux system ). S Ysklogd provides two System Tools : One is System Log Record , The other is kernel information capture. Most programs usually use the C language or S Yslog application or library to send S Yslog message.

1. the logger command is a shell command (interface ). You can use the syslog System Log Module to directly write a line of information to the system log file.

2. Example

For example, record the system restart information after the hard disk upgrade:

$ Logger system rebooted for hard disk upgrade

Logger-F/var/log/MyApp. Log // record the content in the file to the System Log

Logger-s "Hard Disk Full" // send the message to the screen (standard error)

Logger-I-t my_test.sh-P local3.notice "my_test.sh find some error in... "

-I log the process ID of the logger process with each line

-S log the message to standard error, as well as the system log.

-F File log the specified file.

-T tag mark every line in the log with the specified tag.

Original

[1] http://hi.baidu.com/jackbillow/item/02341e426b6952e3bdf451cf

[2] http://www.chenqing.org/2012/08/use-logger-logrotate-manage-your-logs.html

[3] detailed descriptions of/etc/syslog. conf,/etc/logrotate. conf

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