幸福341 发表于 2024-9-11 18:04:17

Linux下Nginx版本平滑升级与回滚

操作系统:CentOS 7.x
准备篇
一、防火墙配置
CentOS 7.x默认使用的是firewall作为防火墙,这里改为iptables防火墙。
1、关闭firewall:
systemctl stop firewalld.service #停止firewall
systemctl disable firewalld.service #禁止firewall开机启动
systemctl mask firewalld
systemctl stop firewalld
yum remove firewalld
2、安装iptables防火墙
yum install iptables-services #安装
vi /etc/sysconfig/iptables #编辑防火墙配置文件
# sample configuration for iptables service
# you can edit this manually or use system-config-firewall
# please do not ask us to add additional ports/services to this default configuration
*filter
:INPUT ACCEPT
:FORWARD ACCEPT
:OUTPUT ACCEPT
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 80 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 443 -j ACCEPT
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
COMMIT
:wq! #保存退出
systemctl restart iptables.service #最后重启防火墙使配置生效
systemctl enable iptables.service #设置防火墙开机启动
/usr/libexec/iptables/iptables.init restart #重启防火墙
二、关闭SELINUX
vi /etc/selinux/config
#SELINUX=enforcing #注释掉
#SELINUXTYPE=targeted #注释掉
SELINUX=disabled #增加
:wq! #保存退出
setenforce 0 #使配置立即生效
三 、系统约定
软件源代码包存放位置:/usr/local/src
源码包编译安装位置:/usr/local/软件名字
四、下载软件包
1、下载nginx
http://nginx.org/download/nginx-1.18.0.tar.gz
http://nginx.org/download/nginx-1.22.0.tar.gz
2、下载pcre(支持nginx伪静态)
https://ftp.exim.org/pub/pcre/pcre-8.45.tar.gz
3、下载zlib(nginx扩展)
https://zlib.net/zlib-1.2.12.tar.gz
4、下载openssl(适用于nginx扩展https)
https://www.openssl.org/source/openssl-1.1.1q.tar.gz
5、下载ngx_cache_purge(nginx缓存模块)
http://labs.frickle.com/files/ngx_cache_purge-2.3.tar.gz
以上软件包上传到/usr/local/src目录
五、安装编译工具包
yum install make gcc gcc-c++ perl zlib-devel
安装篇
一、安装Nginx
1、安装pcre
cd /usr/local/src
mkdir /usr/local/pcre
tar zxvf pcre-8.45.tar.gz
cd pcre-8.45
./configure --prefix=/usr/local/pcre
make
make install
2、安装zlib
cd /usr/local/src
mkdir /usr/local/zlib
tar zxvf zlib-1.2.12.tar.gz
cd zlib-1.2.12
./configure --prefix=/usr/local/zlib
make
make install
3、安装openssl
cd /usr/local/src
mkdir /usr/local/openssl
tar zxvf openssl-1.1.1q.tar.gz
cd openssl-1.1.1q
./config -fPIC shared zlib --prefix=/usr/local/openssl
make
make install
4、安装Nginx
groupadd www
useradd -g www www -s /bin/false
cd /usr/local/src
tar zxvf ngx_cache_purge-2.3.tar.gz
tar zxvf nginx-1.18.0.tar.gz
cd nginx-1.18.0
./configure --prefix=/usr/local/nginx --user=www --group=www --without-http_memcached_module --with-http_stub_status_module --with-http_ssl_module --with-http_v2_module --with-http_gzip_static_module --with-http_realip_module --with-openssl=/usr/local/src/openssl-1.1.1q --with-zlib=/usr/local/src/zlib-1.2.12 --with-pcre=/usr/local/src/pcre-8.45 --add-module=../ngx_cache_purge-2.3
注意:--with-openssl=/usr/local/src/openssl-1.1.1q --with-zlib=/usr/local/src/z
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