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nginx安装
1.先安装依赖
yum -y install gcc gcc-c++ autoconf automake yum -y install PCRE pcre-devel yum -y install zlib zlib-devel yum -y install openssl openssl-devel
2.安装nginx
cd /usr/local/source wget http://nginx.org/download/nginx-1.9.0.tar.gz tar -zxvf nginx-1.6.2.tar.gz mv nginx-1.6.2 /usr/local/nginx cd /usr/local/nginx/
#预编译Nginx
useradd www; ./configure --user=www --group=www --prefix=/usr/local/nginx --with-http_stub_status_module --with-http_ssl_module
#.configure预编译成功后,执行make命令进行编译
make
#make执行成功后,执行make install 正式安装(此时会在nginx文件夹下生成一个sbin目录)
make install
#运行一下命令
/usr/local/nginx/sbin/nginx -t 检查nginx配置文件是否正确 /usr/local/nginx/sbin/nginx 启动nginx ps -aux | grep nginx 查看nginx进程 /usr/local/nginx/sbin/nginx -s reload 重启nginx /usr/local/nginx/sbin/nginx -v 查看nginx版本
#修改nginx.conf文件(/nginx/conf/nginx.conf,可以先不改,前面运行成功nginx,如果查到版本号,并且访问ip,出现nginx下图表示安装成功,nginx的默认端口是80)
#nginx的默认负载均衡策略upstream upstream iot { server 192.168.126.128:8080 weight=1 max_fails=2 fail_timeout=30s; server 192.168.126.128:8081 weight=1 max_fails=2 fail_timeout=30s; }
2.nginx.conf解释(根据实际情况配置)
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server
这段代码是在配置文件中的server中,一个server相当于一个代理服务器,可以配置多个server。 里面几个属性的意思分别是: listen:代表当前代理服务器的访问端口号,默认是80端口。如果要配置多个server,这里的默认端口需要改变,要不然系统不知道进入哪个代理服务。 server_name:表示代理服务需要转发的地址,默认是localhost。 location:表示匹配客户端发送请求的路径,这里“/”代表所有请求的路径都能匹配,配置代理就是这个,location /表示全部请求都要经过这里。 root:表示请求别匹配到后,会在这个文件夹内寻找相应的文件,root对后面静态资源的处理很重要。 index:如果代理没有指定主页,将默认进入index配置下寻找主页,可以配置多个,第一个主页找不到,访问第二个,以此类推。 error_page:代表发生错误后进入的相关错误页面,下面的location也是处理错误的相关配置。
2.负载均衡配置及解释(放在http里或https里)
1) ip hash:依据ip分配方式,指定负载均衡器按照基于客户端ip的分配方式,这个方法确保了客户端请求一致发送到相同的服务器,保证了session会话,每次都访问同一个后端的服务器。可以解决session不能跨服务器的问题
#nginx的默认负载均衡策略upstream upstream [服务器名称] { ip hash; server [ip地址]:[端口号]; server [ip地址]:[端口号]; ... }
2) 轮询:按时间顺序平均分配到不同的后端服务器
#nginx的默认负载均衡策略upstream upstream [服务器名称] { server [ip地址]:[端口号]; server [ip地址]:[端口号]; ... }
3)weight:权重方式,在轮询的基础上指定轮询的几率
#nginx的默认负载均衡策略upstream upstream iot { server [ip地址]:[端口号] weight=2; server [ip地址]:[端口号] weight=6; ... }
3.worker_processes 启动进程数,一般跟cpu的相等
worker_processes 4 linux查询cpu数命令: cat /proc/cpuinfo| grep "physical id"| sort| uniq| wc -l
4.配置多个location
server { listen 8989; server_name localhost; access_log logs/esb.log; error_log logs/esb-error.log; #将所有请求转发给 esb 的应用处理 location = /uaapi { proxy_buffer_size 128k; proxy_buffers 32 32k; proxy_busy_buffers_size 128k; proxy_pass http://192.168.31.83:8086/uaapi/addressManage/getAddressByDept?dept=5019; } location /uaapi/dc { proxy_buffer_size 128k; proxy_buffers 32 32k; proxy_busy_buffers_size 128k; proxy_pass http://127.0.0.1:8086; } location /dd { proxy_buffer_size 128k; proxy_buffers 32 32k; proxy_busy_buffers_size 128k; proxy_pass http://127.0.0.1:8086/uaapi/dc/addressManage/getAddressByDept?dept=5019; } }
5.配置多个location(前端)
location / { root /data/html/; index index.html index.html; } location / { root /data/html/; index index.html index.html; } location /train { root /data/trainning/; index index.html index.html; } #location如果一个特定的url 要使用别名,不能用root,alias指定的目录是准确的,root是指定目录的上级目录,改动后即可以使用了
3.tomcat的安装及配置
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官网下载压缩包:
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复制到目录解压: tar -zxv -f apache-tomcat-8.5.37.tar.gz
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如果要配置多个tomcat可改server.xml: Server port="8005" 、 Connector port="8080" protocol="HTTP/1.1" 、Connector port="8009" protocol="AJP/1.3"这几个的端口保证每个tomcat的这几端口都不一样
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端口解释: server prot 是tomcat运行的端口,Connector port="8080" protocol="HTTP/1.1是请求端口,也是客户端发送请求过来的端口,也是我们访问的端口,Connector port="8009" protocol="AJP/1.3"是tomcat的监听端口。
tomcat配置多个:
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操作/etc/profile 文件: vi /etc/profile
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#tomcat1 export CATALINA_HOME1=/home/tomcat/tomcat8.5_1 export CATALINA_BASE1=/home/tomcat/tomcat8.5_1 export TOMCAT_HOME1=/home/tomcat/tomcat8.5_1 #tomcat2 export CATALINA_HOME2=/home/tomcat/tomcat8.5_2 export CATALINA_BASE2=/home/tomcat/tomcat8.5_2 export TOMCAT_HOME2=/home/tomcat/tomcat8.5_2 ...
3.改tomcat的 server.xml:上面已经说过了要保证每个端口都不一样即可
4.改startup.sh 和 shutdown.sh文件这两分别是tomcat运行的文件和停止的文件
#对应你上面profile配置的名称,两文件都加上就行了 export CATALINA_BASE=$CATALINA_BASE1 export CATALINA_HOME=$CATALINA_HOME1 export TOMCAT_HOME=TOMCAT_HOME1
5.运行一下看看是否有错,没错收工!
4.实际项目配置
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nginx.conf:
#user nobody; worker_processes 1; #启动进程数一般和cpu数相等 #error_log logs/error.log; #error_log logs/error.log notice; #error_log logs/error.log info; #pid logs/nginx.pid; events { worker_connections 1024; #一个worker的最大连接数 } http { include mime.types; default_type application/octet-stream; #log_format main '$remote_addr - $remote_user [$time_local] "$request" ' # '$status $body_bytes_sent "$http_referer" ' # '"$http_user_agent" "$http_x_forwarded_for"'; #access_log logs/access.log main; sendfile on; #tcp_nopush on; #keepalive_timeout 0; keepalive_timeout 65; #gzip on; #负载均衡策略,这里的是weight权重 upstream iot { server localhost:8081 weight=1 max_fails=2 fail_timeout=30s; server localhost:8080 weight=1 max_fails=2 fail_timeout=30s; } server { listen 80; #监听端口 server_name localhost; #地址 #charset koi8-r; #access_log logs/host.access.log main; location / { root /sr/vue/iot; #静态资源路径(重要) try_files $uri $uri/ /index.html; #防止重定向页面刷新 路由失效 index index.html index.html; # proxy_pass http://iot; } location /iot/ { proxy_pass http://iot; #代理地址用了负载均衡和iot上面的负载均衡名一样 #下面5个是定义代理的请求头,具体用法我也不是很清楚,照着复制 proxy_redirect off; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header REMOTE-HOST $remote_addr; proxy_set_header X-Forwarded_For $proxy_add_x_forwarded_for; proxy_connect_timeout 90; #连接超时 proxy_send_timeout 90; #请求超时 proxy_read_timeout 90; #读取超时 proxy_buffer_size 4k; proxy_buffers 4 32k; proxy_busy_buffers_size 64k; proxy_temp_file_write_size 64k; client_max_body_size 500m; #客户端最大延迟 } #error_page 404 /404.html; # redirect server error pages to the static page /50x.html # error_page 500 502 503 504 /50x.html; location = /50x.html { root html; } # proxy the PHP scripts to Apache listening on 127.0.0.1:80 # #location ~ \.php$ { # proxy_pass http://127.0.0.1; #} # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000 # #location ~ \.php$ { # root html; # fastcgi_pass 127.0.0.1:9000; # fastcgi_index index.php; # fastcgi_param SCRIPT_FILENAME /scripts$fastcgi_script_name; # include fastcgi_params; #} # deny access to .htaccess files, if Apache's document root # concurs with nginx's one # #location ~ /\.ht { # deny all; #} } # 多个server # server { # listen 9300; # server_name localhost; # # location / { # root /dist; # index index.html index.htm; # } # location /api/ { # proxy_set_header Host $host; # proxy_set_header X-Forwarded-For $remote_addr; # proxy_pass http://127.0.0.1:8484/api/; # proxy_send_timeout 300; # proxy_read_timeout 300; # proxy_connect_timeout 300; # } # location ^~/api { # rewrite ^/api/(.*)$ /$1 break; # proxy_pass http://localhost:8081; # } # error_page 500 502 503 504 /50x.html; # location = /50x.html { # root html; # } # } # another virtual host using mix of IP-, name-, and port-based configuration # #server { # listen 8000; # listen somename:8080; # server_name somename alias another.alias; # location / { # root html; # index index.html index.htm; # } #} # HTTPS server # #server { # listen 443 ssl; # server_name localhost; # ssl_certificate cert.pem; # ssl_certificate_key cert.key; # ssl_session_cache shared:SSL:1m; # ssl_session_timeout 5m; # ssl_ciphers HIGH:!aNULL:!MD5; # ssl_prefer_server_ciphers on; # location / { # root html; # index index.html index.htm; # } #} }
2.vue存放路径和上面root路径一样
3.java项目路径存在代理的tomcat下的webapps下
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