Apache 配置虚拟主机之1
[*]基于 name-based
[*]基于 IP
[*]基于 port
[*]结合
一、基于名称（name-based）
需要配置 hosts，httpd.conf
实验环境需求：
2个域名：www1.example.com www2.example.com
IP：192.168.136.140
端口：80
文件目录。/var/www目录下的结构如下。
# tree
.
├── cgi-bin
├── html
├── logs
│ ├── www1
│ │ ├── access_log
│ │ └── error_log
│ └── www2
│ └── error_log
└── vhosts
├── www1
│ └── index.html
└── www2
└── index.html
10 directories, 3 files
index.html的内容如下
# cat /var/www/vhosts/www[12]/*
Holle world!
welcome towww1.example.com site.
Holle world!
welcome to www2.example.com site.
# 编辑本地DNS
vim /etc/hosts
# 添加多域名的记录
192.168.136.140www1.example.com www2.example.com
# 添加 Name-Based 虚拟主机块配置
vim /etc/httpd/conf/httpd.conf
## Name-Based ####################################################
# This first-listed virtual host is also the default for *:80 第一个虚拟主机为默认主机
ServerName www1.example.com
ServerAlias example1.com
DocumentRoot "/var/www/vhosts/www1"
ServerName www2.example.com
#ServerAlias example2.com
DocumentRoot "/var/www/vhosts/www2"
###################################################################
# 检查配置语法 *:80 is a NameVirtualHost 这里能正常解析，语法OK
#httpd -S
VirtualHost configuration:
*:80 is a NameVirtualHost
default server www1.example.com (/etc/httpd/conf/httpd.conf:82)
port 80 namevhost www1.example.com (/etc/httpd/conf/httpd.conf:82)
alias example1.com
port 80 namevhost www2.example.com (/etc/httpd/conf/httpd.conf:89)
ServerRoot: "/etc/httpd"
Main DocumentRoot: "/var/www/html"
Main ErrorLog: "/etc/httpd/logs/error_log"
Mutex proxy: using_defaults
Mutex authn-socache: using_defaults
Mutex default: dir="/run/httpd/" mechanism=default
Mutex mpm-accept: using_defaults
Mutex authdigest-opaque: using_defaults
Mutex proxy-balancer-shm: using_defaults
Mutex rewrite-map: using_defaults
Mutex authdigest-client: using_defaults
PidFile: "/run/httpd/httpd.pid"
Define: DUMP_VHOSTS
Define: DUMP_RUN_CFG
User: name="apache" id=48
Group: name="apache" id=48
#
# 重启 httpd
systemctl restart httpd.service
systemctl status httpd.service
# systemctl status httpd.service -l
● httpd.service - The Apache HTTP Server
Loaded: loaded (/usr/lib/systemd/system/httpd.service; enabled; vendor preset: disabled)
Active: active (running) since Wed 2016-12-14 15:56:58 CST; 26min ago
Docs: man:httpd(8)
man:apachectl(8)
Process: 5951 ExecStop=/bin/kill -WINCH ${MAINPID} (code=exited, status=0/SUCCESS)
Main PID: 5957 (httpd)
Status: "Total requests: 9; Current requests/sec: 0; Current traffic: 0 B/sec"
Memory: 4.1M
CGroup: /system.slice/httpd.service
├─5957 /usr/sbin/httpd -DFOREGROUND
├─5958 /usr/sbin/httpd -DFOREGROUND
├─5959 /usr/sbin/httpd -DFOREGROUND
├─5960 /usr/sbin/httpd -DFOREGROUND
├─5962 /usr/sbin/httpd -DFOREGROUND
├─5975 /usr/sbin/httpd -DFOREGROUND
├─5978 /usr/sbin/httpd -DFOREGROUND
├─5979 /usr/sbin/httpd -DFOREGROUND
├─5980 /usr/sbin/httpd -DFOREGROUND
├─5981 /usr/sbin/httpd -DFOREGROUND
└─6233 /usr/sbin/httpd -DFOREGROUND
Dec 14 15:56:58 docker1 systemd[1]: Starting The Apache HTTP Server...
Dec 14 15:56:58 docker1 httpd[5957]: AH00558: httpd: Could not reliably determine the server's fully qualified domain name, using 192.168.136.140. Set the 'ServerName' directive globally to suppress this message
Dec 14 15:56:58 docker1 systemd[1]: Started The Apache HTTP Server.
#
# 验证通过域名访问
# curl 127.0.0.1
Holle world!
welcome to www1.example.com site.
# curl www1.example.com
Holle world!
welcome to www1.example.com site.
# curl www2.example.com
Holle world!
welcome to www2.example.com site.
现在基于主机名的配置已完成。
附：http://httpd.apache.org/docs/2.4/vhosts/name-based.html
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