[Operation and maintenance] logrotate log management tool artifact

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Often produce a variety of server log files, we need to be cleaned regularly

Classification log

• System Log

• Application Log

System Log

History information such as history crontab system running log General Log systems to help us better operation and maintenance, no additional configuration

Application Log

For example nginx running log of access and error logs, php frameworks, these logs are evidence of our troubleshooting

Tools logrotate

What is logrotate

logrotate most linux system comes with log cutting tool

logrotate applies scene

logrotate used to cut still being written by "dynamic" document that supports the file size or time intervals to trigger automatic segmentation file (automatic rotation)

Real

Nginx logs by day of the week to save compressed files, for 30 days, the configuration file is "/etc/logrotate.d/nginx"

The last code is as follows (I ubuntu system)

/data/logs/nginx/*.log {
        daily
	dateext
        missingok
	dateformat %Y%m%d
        extension .log
        rotate 30
        compress
        delaycompress
        notifempty
        create 640 nginx adm
        sharedscripts
        postrotate
                [ -f /var/run/nginx.pid ] && kill -USR1 `cat /var/run/nginx.pid`
        endscript
}

Performed manually (-d debug mode)

$ logrotate -d -f /etc/logrotate.d/nginx

Logrotate more specific usage of your own learning

Original Address: [operation and maintenance] logrotate log management tool artifact
label: logrotate    nginx    Access    log   

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Reproduced in: https: //my.oschina.net/54php/blog/757183