1,平滑升级,(热升级,热部署)
方法一:
wget http://nginx.org/download/nginx-1.13.1.tar.gz
tar -xf nginx-1.13.1.tar.gz
cd xx
./configure
make # 不能执行make install
cd objs
cp /usr/local/nginx/sbin/nginx /usr/local/nginx/sbin/nginx.old # 备份老版本
cp -rfp objs/nginx /usr/local/nginx/sbin # 拷贝
/usr/local/nginx/sbin/nginx -t # 测试新复制过来的文件生效
ps -ef | grep nginx # 查看进程
kill -USR2 `cat /usr/local/nginx/logs/nginx.pid` # 更新配置文件
ps -ef | grep nginx
kill -QUIT `cat /usr/local/nginx/logs/nginx.pid.oldbin` # 优雅退出老版本
/usr/local/nginx/sbin/nginx -V
方法二:
wget http://nginx.org/download/nginx-1.13.1.tar.gz
tar -xf nginx-1.13.1.tar.gz
cd xx
./configure
make # 不能执行make install
mv /usr/local/nginx/sbin/nginx /usr/local/nginx/sbin/nginx.old # 改名老版本
cp -f objs/nginx /usr/local/nginx/sbin/nginx # 新版本拷贝过去
make upgrade # 将以上步骤的指令打包,变为一个指令
make clean
/usr/local/nginx/sbin/nginx -V
2,日志切割
原理,向 Nginx 主进程发送 USR1 信号。USR1 信号是重新打开日志文件
vim cutlog.sh
#!/bin/bash
LOGS_PATH=/usr/local/nginx/logs
YESTERDAY=$(date -d "yesterday" +%Y-%m-%d)
mv ${LOGS_PATH}/access.log ${LOGS_PATH}/access_${YESTERDAY}.log
kill -USR1 $(cat /usr/local/nginx/logs/nginx.pid) # 向 Nginx 主进程发送 USR1 信号。USR1 信号是重新打开日志文件
定时任务
# vi /etc/crontab
0 0 * * * root /usr/local/nginx/logs/cutlog.sh
# 表示配置一个定时任务,定时每天00:00以root身份执行脚本/usr/local/nginx/logs/cutlog.sh,实现定时自动分割Nginx日志
3,更新时间
yum -y install ntpdate
/usr/sbin/ntpdate ntp1.aliyun.com