基础知识---Nginx的安装 卸载及常用命令

1.Ubuntu在线安装

#安装
apt-get update
apt-get install nginx

#启动
sudo /etc/init.d/nginx start

补充:
Usage: nginx {start|stop|restart|reload|force-reload|status|configtest|rotate|upgrade}

#卸载
sudo apt-get remove nginx nginx-common # Removes all but config files.

sudo apt-get purge nginx nginx-common # Removes everything.

sudo apt-get autoremove # After using any of the above commands, use this in order to remove dependencies used by nginx which are no longer required.

2.Centos在线安装

#添加 yum 源
sudo rpm -ivh http://nginx.org/packages/centos/7/noarch/RPMS/nginx-release-centos-7-0.el7.ngx.noarch.rpm

#安装
sudo yum install nginx

#启动服务
sudo systemctl start nginx

#停止服务 
sudo systemctl restart nginx

#重新加载，因为一般重新配置之后，不希望重启服务，这时可以使用重新加载。
sudo systemctl reload nginx

#卸载
sudo systemctl stop nginx.service
sudo systemctl disable nginx.service
sudo userdel -r nginx
chkconfig nginx off
sudo rm -rf /etc/nginx
sudo rm -rf /var/log/nginx
sudo rm -rf /var/cache/nginx/
sudo rm -rf /usr/lib/systemd/system/nginx.service
yum remove nginx

3.常用命令

nginx -s reload # 重新加载,不需要关闭nginx服务