linux centos7 实现yum安装的nginx平滑升级 从1.12.2版本到1.16.1版本

yum安装nginx-1.12.2 升级到nginx-1.16.1一、查看现有的 nginx 编译参数
[root@vm-3 ~]# nginx -V
nginx version: nginx/1.12.2
built by gcc 4.8.5 20150623 (Red Hat 4.8.5-36) (GCC)
built with OpenSSL 1.0.2k-fips 26 Jan 2017
TLS SNI support enabled
configure arguments: –prefix=/usr/share/nginx –sbin-path=/usr/sbin/nginx –modules-path=/usr/lib64/nginx/modules –conf-path=/etc/nginx/nginx.conf –error-log-path=/var/log/nginx/error.log –http-log-path=/var/log/nginx/access.log –http-client-body-temp-path=/var/lib/nginx/tmp/clientbody –http-proxy-temp-path=/var/lib/nginx/tmp/proxy –http-fastcgi-temp-path=/var/lib/nginx/tmp/fastcgi –http-uwsgi-temp-path=/var/lib/nginx/tmp/uwsgi –http-scgi-temp-path=/var/lib/nginx/tmp/scgi –pid-path=/run/nginx.pid –lock-path=/run/lock/subsys/nginx –user=nginx –group=nginx –with-file-aio –with-ipv6 –with-httpauthrequestmodule –with-httpsslmodule –with-httpv2module –with-httprealipmodule –with-httpadditionmodule –with-httpxsltmodule=dynamic –with-httpimagefiltermodule=dynamic –with-httpgeoipmodule=dynamic –with-httpsubmodule –with-httpdavmodule –with-httpflvmodule –with-httpmp4module –with-httpgunzipmodule –with-httpgzipstaticmodule –with-httprandomindexmodule –with-httpsecurelinkmodule –with-httpdegradationmodule –with-httpslicemodule –with-httpstubstatusmodule –with-httpperlmodule=dynamic –with-mail=dynamic –with-mailsslmodule –with-pcre –with-pcre-jit –with-stream=dynamic –with-streamsslmodule –with-googleperftoolsmodule –with-debug –with-cc-opt=’-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong –param=ssp-buffer-size=4 -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -m64 -mtune=generic’ –with-ld-opt=’-Wl,-z,relro -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -Wl,-E’ 二、将上面加粗字体部分进行配置，加粗字体后面为系统的配置文件不需要配置，只需要到 make，千万不要 make install 。如果make install 会将原来的配置文件覆盖事先可以先把这些依赖包下好，配置之后就不会出现下面这些错误了
yum -y install gcc make GeoIP GeoIP-devel GeoIP-data perl-devel perl-ExtUtils-Embed gd-devel libxml2 libxslt-devel gperftools pcre-devel openssl openssl-devel
准备新版本的nginx放在/usrr/local/ 下[root@vm-3]# wget http://nginx.org/download/nginx-1.16.1.tar.gz
[root@vm-3]# tar -xf nginx-1.16.1.tar.gz
[root@vm-3]# cd nginx-1.16.1
[root@vm-3 nginx-1.16.1]# ./configure –prefix=/usr/share/nginx –sbin-path=/usr/开发云主机域名sbin/nginx –modules-path=/usr/lib64/nginx/modules –conf-path=/etc/nginx/nginx.conf –error-log-path=/var/log/nginx/error.log –http-log-path=/var/log/nginx/access.log –http-client-body-temp-path=/var/lib/nginx/tmp/client_body –http-proxy-temp-path=/var/lib/nginx/tmp/proxy –http-fastcgi-temp-path=/var/lib/nginx/tmp/fastcgi –http-uwsgi-temp-path=/var/lib/nginx/tmp/uwsgi –http-scgi-temp-path=/var/lib/nginx/tmp/scgi –pid-path=/run/nginx.pid –lock-path=/run/lock/subsys/nginx –user=nginx –group=nginx –with-file-aio –with-ipv6 –with-http_auth_request_module –with-http_ssl_module –with-http_v2_module –with-http_realip_module –with-http_addition_module –with-http_xslt_module=dynamic –with-http_image_filter_module=dynamic –with-http_geoip_module=dynamic –with-http_sub_module –with-http_dav_module –with-http_flv_module –with-http_mp4_module –with-http_gunzip_module –with-http_gzip_static_module –with-http_random_index_module –with-http_secure_link_module –with-http_degradation_module –with-http_slice_module –with-http_stub_status_module –with-http_perl_module=dynamic –with-mail=dynamic –with-mail_ssl_module –with-pcre –with-pcre-jit –with-stream=dynamic –with-stream_ssl_module –with-google_perftools_module –with-debug有可能的报错
报错1：
./configure: error: the HTTP XSLT module requires the libxml2/libxslt
libraries. You can either do not enable the module or install the libraries.
原因：缺少依赖
解决：
[root@vm-3 nginx-1.16.1]# yum -y install libxml2 libxslt-devel再次配置
报错2：
./configure: error: the HTTP image filter module requires the GD library.
You can either do not enable the module or install the libraries.
解决：安装依赖
yum -y install gd-devel再次配置
报错3：
./configure: error: perl module ExtUtils::Embed is required
解决：
yum -y install perl-devel perl-ExtUtils-Embed
再次配置
报错4：
./configure: error: the GeoIP module requires the GeoIP library. You can either do not enable the module or install the library.
解决：
yum -y install GeoIP GeoIP-devel GeoIP-data
再次配置
报错5：
./configure: error: the Google perftools module requires the Google perftools
library. You can either do not enable the module or install the library.
解决：
yum install gperftools**
再次配置成功三、make千万不要make install四、备份原 nginx 二进制文件
备份二进制文件和 nginx 的配置文件（期间nginx不会停止服务）
[root@vm-3 nginx-1.16.1]# mv /usr/sbin/nginx /usr/sbin/nginx_$(date +%F)五、复制新的nginx二进制文件，进入新的nginx源码包
[root@vm-3 nginx-1.16.1]# cp /root/nginx-1.16.1/objs/nginx /usr/sbin/六、测试新版本的nginx是否正常
[root@vm-3 nginx-1.16.1]# nginx -t
报错：
nginx: [emerg] module “/usr/lib64/nginx/modules/ngx_http_geoip_module.so” version 1012002 instead of 1016001 in /usr/share/nginx/modules/mod-http-geoip.conf:1
nginx: configuration file /etc/nginx/nginx.conf test failed
解决：
vim /etc/nginx/nginx.conf //进入配置文件中
注释 #include /usr/share/nginx/modules/*.conf;
再次检测成功七、给nginx发送平滑迁移信号（若不清楚pid路径，请查看nginx配置文件或find / -name ‘nginx.pid’ 查找）
[root@vm-3 nginx-1.16.1]# kill -USR2 cat /run/nginx.pid八、查看nginx pid，会出现一个nginx.pid.oldbin
[root@vm-3 nginx-1.16.1]# ll /run/nginx*
-rw-r–r– 1 root root 5 Sep 6 00:36 /run/nginx.pid
-rw-r–r– 1 root root 6 Sep 6 00:00 /run/nginx.pid.oldbin九、从容关闭旧的Nginx进程
[root@vm-3 nginx-1.16.1]# kill -WINCH cat /run/nginx.pid.oldbin十、此时不重载配置启动旧的工作进程
[root@vm-3 nginx-1.16.1]# kill -HUP cat /run/nginx.pid.oldbin十一、结束工作进程，完成此次升级
[root@vm-3 nginx-1.16.1]# kill -QUIT cat /run/nginx.pid.oldbin十二、验证Nginx是否升级成功
[root@vm-3 nginx-1.16.1]# nginx -v
nginx version: nginx/1.16.1
升级成功

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