How to cut nginx logs

Question: How to cut log files in Nginx? Steps: Enable log cutting in Nginx configuration, specifying the log path and format. Create a log storage directory. Set up the cron job to cut log files regularly. Verify that log cutting works as expected.

Nginx log cutting

Nginx log cutting is an important process that helps manage and maintain website log files. Here are the steps to cut log files in Nginx:

1. Enable log cutting in Nginx configuration file

In the Nginx configuration file (usually located in /etc/nginx/nginx.conf ), add the following directive:

 <code>log_format main '$remote_addr - $remote_user [$time_local] "$request" ' '$status $body_bytes_sent "$http_referer" ' '"$http_user_agent" "$http_x_forwarded_for"'; access_log /var/log/nginx/access.log main; access_log /var/log/nginx/access.log.1 main daily rotate=4;</code>

• access_log directive specifies the path and format of the log file.
• rotate=4 parameter specifies that 4 rotation log files are to be retained.

2. Create a log directory

Make sure that the directory used to store the log files has been created. In the example above, this directory is /var/log/nginx .

3. Set up log cutting cron job

Create a cron job to cut log files regularly. For example:

 <code>0 0 * * * /usr/sbin/logrotate /etc/logrotate.d/nginx</code>

This job will run the log cutting script every day at 0 a.m.

4. Verify log cutting

Reload the Nginx configuration and check if the log cutting is working as expected:

 <code>nginx -s reload tail -n 4 /var/log/nginx/access.log tail -n 4 /var/log/nginx/access.log.1</code>

You should be able to see that the log file has been cut by time.

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