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hellopasswd

nginx负载均衡

多台代理服务器

  • vi /usr/local/nginx/conf/vhost/load.conf upstream qq_com { ip_hash; server 61.135.157.156:80; server 125.39.240.113:80; } server { listen 80; server_name www.qq.com; location / { proxy_pass http://qq.com; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; } }
  • upstream来制定多个web server
[root@localhost ~]# yum install -y bind-utils
Loaded plugins: fastestmirror
base                                                                                               | 3.6 kB  00:00:00
epel/x86_64/metalink                                                                               | 7.8 kB  00:00:00
extras                                                                                             | 3.4 kB  00:00:00
updates                                                                                            | 3.4 kB  00:00:00
updates/7/x86_64/primary_db                                                                        | 6.0 MB  00:00:11
Loading mirror speeds from cached hostfile* base: mirrors.163.com* epel: kartolo.sby.datautama.net.id* extras: mirrors.cqu.edu.cn* updates: mirrors.nju.edu.cn
Resolving Dependencies
--> Running transaction check
---> Package bind-utils.x86_64 32:9.9.4-51.el7_4.2 will be installed
--> Processing Dependency: bind-libs = 32:9.9.4-51.el7_4.2 for package: 32:bind-utils-9.9.4-51.el7_4.2.x86_64
--> Processing Dependency: liblwres.so.90()(64bit) for package: 32:bind-utils-9.9.4-51.el7_4.2.x86_64
--> Processing Dependency: libisccfg.so.90()(64bit) for package: 32:bind-utils-9.9.4-51.el7_4.2.x86_64
--> Processing Dependency: libisccc.so.90()(64bit) for package: 32:bind-utils-9.9.4-51.el7_4.2.x86_64
--> Processing Dependency: libisc.so.95()(64bit) for package: 32:bind-utils-9.9.4-51.el7_4.2.x86_64
--> Processing Dependency: libdns.so.100()(64bit) for package: 32:bind-utils-9.9.4-51.el7_4.2.x86_64
--> Processing Dependency: libbind9.so.90()(64bit) for package: 32:bind-utils-9.9.4-51.el7_4.2.x86_64
--> Processing Dependency: libGeoIP.so.1()(64bit) for package: 32:bind-utils-9.9.4-51.el7_4.2.x86_64
--> Running transaction check
---> Package GeoIP.x86_64 0:1.5.0-11.el7 will be installed
---> Package bind-libs.x86_64 32:9.9.4-51.el7_4.2 will be installed
--> Processing Dependency: bind-license = 32:9.9.4-51.el7_4.2 for package: 32:bind-libs-9.9.4-51.el7_4.2.x86_64
--> Running transaction check
---> Package bind-license.noarch 32:9.9.4-14.el7 will be updated
--> Processing Dependency: bind-license = 32:9.9.4-14.el7 for package: 32:bind-libs-lite-9.9.4-14.el7.x86_64
---> Package bind-license.noarch 32:9.9.4-51.el7_4.2 will be an update
--> Running transaction check
---> Package bind-libs-lite.x86_64 32:9.9.4-14.el7 will be updated
---> Package bind-libs-lite.x86_64 32:9.9.4-51.el7_4.2 will be an update
--> Finished Dependency ResolutionDependencies Resolved==========================================================================================================================Package                        Arch                   Version                              Repository               Size
==========================================================================================================================
Installing:bind-utils                     x86_64                 32:9.9.4-51.el7_4.2                  updates                 203 k
Installing for dependencies:GeoIP                          x86_64                 1.5.0-11.el7                         base                    1.1 Mbind-libs                      x86_64                 32:9.9.4-51.el7_4.2                  updates                 1.0 M
Updating for dependencies:bind-libs-lite                 x86_64                 32:9.9.4-51.el7_4.2                  updates                 733 kbind-license                   noarch                 32:9.9.4-51.el7_4.2                  updates                  84 kTransaction Summary
==========================================================================================================================
Install  1 Package  (+2 Dependent packages)
Upgrade             ( 2 Dependent packages)Total download size: 3.1 M
Downloading packages:
Delta RPMs disabled because /usr/bin/applydeltarpm not installed.
(1/5): bind-libs-lite-9.9.4-51.el7_4.2.x86_64.rpm                                                  | 733 kB  00:00:01
(2/5): bind-license-9.9.4-51.el7_4.2.noarch.rpm                                                    |  84 kB  00:00:01
(3/5): GeoIP-1.5.0-11.el7.x86_64.rpm                                                               | 1.1 MB  00:00:01
(4/5): bind-utils-9.9.4-51.el7_4.2.x86_64.rpm                                                      | 203 kB  00:00:04
(5/5): bind-libs-9.9.4-51.el7_4.2.x86_64.rpm                                                       | 1.0 MB  00:00:09
--------------------------------------------------------------------------------------------------------------------------
Total                                                                                     342 kB/s | 3.1 MB  00:00:09
Running transaction check
Running transaction test
Transaction test succeeded
Running transactionInstalling : GeoIP-1.5.0-11.el7.x86_64                                                                              1/7 Updating   : 32:bind-license-9.9.4-51.el7_4.2.noarch                                                                2/7 Installing : 32:bind-libs-9.9.4-51.el7_4.2.x86_64                                                                   3/7 Installing : 32:bind-utils-9.9.4-51.el7_4.2.x86_64                                                                  4/7 Updating   : 32:bind-libs-lite-9.9.4-51.el7_4.2.x86_64                                                              5/7 Cleanup    : 32:bind-libs-lite-9.9.4-14.el7.x86_64                                                                  6/7 Cleanup    : 32:bind-license-9.9.4-14.el7.noarch                                                                    7/7 Verifying  : 32:bind-license-9.9.4-51.el7_4.2.noarch                                                                1/7 Verifying  : GeoIP-1.5.0-11.el7.x86_64                                                                              2/7 Verifying  : 32:bind-libs-lite-9.9.4-51.el7_4.2.x86_64                                                              3/7 Verifying  : 32:bind-utils-9.9.4-51.el7_4.2.x86_64                                                                  4/7 Verifying  : 32:bind-libs-9.9.4-51.el7_4.2.x86_64                                                                   5/7 Verifying  : 32:bind-libs-lite-9.9.4-14.el7.x86_64                                                                  6/7 Verifying  : 32:bind-license-9.9.4-14.el7.noarch                                                                    7/7 Installed:bind-utils.x86_64 32:9.9.4-51.el7_4.2                                                                                   Dependency Installed:GeoIP.x86_64 0:1.5.0-11.el7                             bind-libs.x86_64 32:9.9.4-51.el7_4.2                            Dependency Updated:bind-libs-lite.x86_64 32:9.9.4-51.el7_4.2                    bind-license.noarch 32:9.9.4-51.el7_4.2                   Complete!
[root@localhost ~]# dig qq.com; <<>> DiG 9.9.4-RedHat-9.9.4-51.el7_4.2 <<>> qq.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4432
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;qq.com.                IN  A;; ANSWER SECTION:
qq.com.         561 IN  A   125.39.240.113
qq.com.         561 IN  A   61.135.157.156;; Query time: 46 msec
;; SERVER: 119.29.29.29#53(119.29.29.29)
;; WHEN: Fri Mar 02 20:44:04 EST 2018
;; MSG SIZE  rcvd: 67
[root@localhost ~]# vi /usr/local/nginx/conf/vhost/load.conf
添加1 upstream qq_com2 {3     ip_hash;4     server 61.135.157.156:80;5     server 125.39.240.113:80;6 }7 8 server9 {10     listen 80;11     server_name www.qq.com;12 13     location /14     {15         proxy_pass http://qq_com;16         proxy_set_header Host $host;17         proxy_set_header X-Real-IP $remote_addr;18         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;19     }20 }
[root@localhost ~]# vi /usr/local/nginx/conf/vhost/load.conf
upstream qq_com
{ip_hash;server 61.135.157.156:80;server 125.39.240.113:80;
}server
{listen 80;server_name www.qq.com;location /{proxy_pass http://qq_com;proxy_set_header Host $host;proxy_set_header X-Real-IP $remote_addr;proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;}
}
[root@localhost ~]# /usr/local/nginx/sbin/nginx -t
nginx: the configuration file /usr/local/nginx/conf/nginx.conf syntax is ok
nginx: configuration file /usr/local/nginx/conf/nginx.conf test is successful
[root@localhost ~]# /usr/local/nginx/sbin/nginx -s reload[root@localhost ~]# curl -x 127.0.0.1:80 www.qq.com访问到qq.com主页


---修改于180109

转载于:https://my.oschina.net/hellopasswd/blog/1604276

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