1.需求

• nginx的日志文件路径
• 每天0点对nginx日志进行切割
• 以前一天的日期为命名

2.脚本

• date命令：date -d 'yesterday' +%Y-%m-%d

  #!/bin/bash
  #Auto cut nginx log script.
  #create by 小C
  #create date:2019-08-21
  #nginx日志路径
  logs_path=/usr/local/nginx/logs
  YesterDay=$(date -d 'yesterday' +%Y-%m-%d)
  #移动日志并以日期改名
  mv ${logs_path}/access.log ${logs_path}/access_${YesterDay}.log
  mv ${logs_path}/error.log ${logs_path}/error_${YesterDay}.log
  #向nginx主进程发送信号，重新生成日志文件
  kill -USR1 $(cat /usr/local/nginx/logs/nginx.pid)

3.定时任务

crontab -e
0 0 * * * sh /root/nginx_cut.sh
crontab -l