1.在同一-台物理服务器中运行多个Web站点,其中每个站点并不独立占用一台真正的计算机html
1.基于域名的虚拟主机(企业经常使用)
2.基于IP地址的虚拟主机
3.基于端口的虚拟主机java
大型公司实例项目:
两台物理主机(A/B)
两台主机中分别有两个虚拟站点
主机A和B中都有accp网站和kgc网站
网站内容彻底相同,对外提供业务时,既用到了合理分配,也起到了双机热备
学习一台主机架构两个网站web
1.构建2个虚拟Web站点
www.kgc.com, IP地址为173.17.17.11
www.kcce.com, IP地址为173.17.17.11
2.在浏览器中访问这两个域名时,分别显示不一样的内容vim
[root@dnssvr ~]# vim /var/named/chroot/var/named/kgc.com.zone @ IN NS dnssvr.kgc.com. dnssvr IN A 173.1 7.1 7.2 www IN A 173.17.17.11 [root@dnssvr ~]# vim /var/named/chroot/var/named/kcce.com.zone @ IN NS dnssvr.kgc.com. www IN A 1 73.1 7.1 7.1 1
[root@www ~]# mkdir -p /var/www/html/kgccom [root@www ~]# mkdir -p /var/www/html/kccecom [root@www ~]# echo "<h1 > www.kgc.com</h1>" > /var/www/html/kgccom/index.html [root@www ~]# echo "<h1 > www.kcce.com </h1>" > /var/www/html/kccecom/index.html
[root@www ~]# vim /usr/local/httpd/conf/extra/httpd-vhosts.conf <VirtualHost *:80> DocumentRoot "/var/www/html/kgccom" ServerName www.kgc.com ErrorLog "logs/www.kgc.com.error_log" CustomLog "logs/www.kgc.com.access_log" common < Directory "/var/www/html" > Require all granted </Directory> </VirtualHost> <VirtualHost *:80> DocumentRoot "/var/www/html/kccecom" ServerName www.kcce.com <VirtualHost>
[root@localhost ~]# ifconfig ens33: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 192.168.56.131 netmask 255.255.255.0 broadcast 192.168.56.255 inet6 fe80::a7c6:cf70:62f2:faf0 prefixlen 64 scopeid 0x20<link> ether 00:0c:29:86:f9:b2 txqueuelen 1000 (Ethernet) RX packets 667004 bytes 977833518 (932.5 MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 165563 bytes 10169247 (9.6 MiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 ens36: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 192.168.56.134 netmask 255.255.255.0 broadcast 192.168.56.255 inet6 fe80::9ce4:351a:2c74:9ad5 prefixlen 64 scopeid 0x20<link> ether 00:0c:29:86:f9:bc txqueuelen 1000 (Ethernet) RX packets 216 bytes 17516 (17.1 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 26 bytes 4391 (4.2 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 //目前主机中有两张网卡:ens33和ens36,地址分别为:192.168.56.131和 192.168.56.134
[root@localhost ~]# yum install bind httpd -y
[root@localhost ~]# vim /etc/named.conf options { listen-on port 53 { any; }; //其中的127.0.0.1改成any listen-on-v6 port 53 { ::1; }; directory "/var/named"; dump-file "/var/named/data/cache_dump.db"; statistics-file "/var/named/data/named_stats.txt"; memstatistics-file "/var/named/data/named_mem_stats.txt"; recursing-file "/var/named/data/named.recursing"; secroots-file "/var/named/data/named.secroots"; allow-query { any; }; //其中的locahost改成any 修改完成后按Esc,输入:wq保存退出
[root@localhost ~]# vim /etc/named.rfc1912.zones //找到如下格式,按5yy复制五行,在任意一个5行的最后一行按o在下一行插入,修改其中域名 zone "accp.com" IN { type master; file "accp.com.zone"; allow-update { none; }; }; zone "kgc.com" IN { type master; file "kgc.com.zone"; allow-update { none; }; }; 修改完成后按Esc,输入:wq保存退出
[root@localhost ~]# cd /var/named/ [root@localhost named]# ls data dynamic named.ca named.empty named.localhost named.loopback slaves [root@localhost named]# cp -p named.localhost accp.com.zone [root@localhost named]# vim accp.com.zone $TTL 1D @ IN SOA @ rname.invalid. ( 0 ; serial 1D ; refresh 1H ; retry 1W ; expire 3H ) ; minimum NS @ A 127.0.0.1 www IN A 192.168.56.131 //此处为添加的主机A记录,地址指向本身 //须要删除IPv6的解析 修改完成后按Esc,输入:wq保存退出 [root@localhost named]# cp -p accp.com.zone kgc.com.zone [root@localhost named]# vim kgc.com.zone $TTL 1D @ IN SOA @ rname.invalid. ( 0 ; serial 1D ; refresh 1H ; retry 1W ; expire 3H ) ; minimum NS @ A 127.0.0.1 www IN A 192.168.56.131 //此处的文件内容不须要作任何修改 可直接输入:q退出 //为方便后面测试解析,接下来咱们启动服务,并关闭防火墙及安全功能 [root@localhost named]# systemctl start named [root@localhost named]# systemctl stop firewalld.service [root@localhost named]# setenforce 0
此处咱们使用一台win7虚拟机进行DNS的解析: 先须要在网络的更改适配器设置中对IPv4的DNS地址进行修改:192.168.56.131 //此处修改的是DNS主机的地址 再使用管理员身份运行cmd命令: C:\Windows\system32>nslookup www.accp.com 服务器: UnKnown Address: 192.168.56.131 名称: www.accp.com Address: 192.168.56.131 C:\Windows\system32>nslookup www.kgc.com 服务器: UnKnown Address: 192.168.56.131 名称: www.kgc.com Address: 192.168.56.131 //此时经过验证代表DNS的解析是没有问题的,接下来咱们就能够作网站了
[root@localhost named]# cd /etc/httpd [root@localhost httpd]# ls conf conf.d conf.modules.d logs modules run [root@localhost httpd]# cd conf [root@localhost conf]# ls httpd.conf magic [root@localhost conf]# mkdir extra [root@localhost conf]# ls extra httpd.conf magic [root@localhost conf]# cd extra/ [root@localhost extra]# vim vhost.conf <VirtualHost *:80> DocumentRoot "/var/www/html/accp/" //站点目录 ServerName www.accp.com //域名 ErrorLog "logs/www.accp.com.error_log" //错误日志 CustomLog "logs/www.accp.com.access_log" common //访问日志 <Directory "/var/www/html/"> Require all granted //访问权限为容许全部 </Directory> </VirtualHost> 按Esc退出插入模式,输入:11,19 s/accp/kgc/g //把从11行到19行把其中的accp改为kgc,作全局替换 11 <VirtualHost *:80> 12 DocumentRoot "/var/www/html/kgc/" 13 ServerName www.kgc.com 14 ErrorLog "logs/www.kgc.com.error_log" 15 CustomLog "logs/www.kgc.com.access_log" common 16 <Directory "/var/www/html/"> 17 Require all granted 18 </Directory> 19 </VirtualHost> 修改完成后按Esc,输入:wq保存退出
[root@localhost extra]# cd ../../ [root@localhost httpd]# ls conf conf.d conf.modules.d logs modules run [root@localhost httpd]# pwd /etc/httpd //参考点,以工做目录为参考 [root@localhost httpd]# ls -l 总用量 0 drwxr-xr-x. 3 root root 50 10月 22 22:36 conf drwxr-xr-x. 2 root root 82 10月 22 21:53 conf.d drwxr-xr-x. 2 root root 146 10月 22 21:53 conf.modules.d lrwxrwxrwx. 1 root root 19 10月 22 21:53 logs -> ../../var/log/httpd //软连接在此目录下 lrwxrwxrwx. 1 root root 29 10月 22 21:53 modules -> ../../usr/lib64/httpd/modules lrwxrwxrwx. 1 root root 10 10月 22 21:53 run -> /run/httpd [root@localhost httpd]# cd /var/log/httpd/ [root@localhost httpd]# ls //此时是空的,由于没有启动,因此没有日志文件
[root@localhost httpd]# cd /var/www/html/ [root@localhost html]# ls [root@localhost html]# mkdir accp kgc [root@localhost html]# ls accp kgc [root@localhost html]# cd accp/ [root@localhost accp]# ls [root@localhost accp]# vim index.html <h1>this is accp web</h1> 输入完成后按Esc,输入:wq保存退出 [root@localhost accp]# cd ../kgc/ [root@localhost kgc]# vim index.html <h1>this is kgc web</h1> 输入完成后按Esc,输入:wq保存退出 在主配置文件中的包含语句须要进行检查,由于以前的写入内容未在主配置文件中进行声明: [root@localhost kgc]# cd /etc/httpd/ [root@localhost httpd]# cd conf/extra/ [root@localhost extra]# ls vhost.conf [root@localhost extra]# pwd /etc/httpd/conf/extra [root@localhost extra]# cd ../../ [root@localhost httpd]# ls conf conf.d conf.modules.d logs modules run [root@localhost httpd]# pwd /etc/httpd [root@localhost httpd]# cd conf [root@localhost conf]# ls extra httpd.conf magic [root@localhost conf]# vim httpd.conf //按大写字母G到末行,按o在下行插入 Include conf/extra/vhost.conf 输入完成后按Esc,输入:wq保存退出 [root@localhost extra]# systemctl start httpd
——————————————————————————————————————————————————浏览器
1.构建两个个虚拟Web站点
www.kcce.com, IP地址、端口为173.17.17.11:80
www.kcce.com, IP地址、端口为173.17.17.11:8353
2.在浏览器中访问这两个端口时,分别显示不一样的内容安全
[root@www ~]# vim /usr/local/httpd/conf/extra/httpd-vhosts.conf < VirtualHost 173.1 7.17.11:80> DocumentRoot "/var/www/htm/kccecom" ServerName www.kcce.com </VirtualHost> <VirtualHost 173.17.17.11:8353> DocumentRoot "/var/www/htm/kccepad" ServerName www.kcce.com </virtualHost> Listen 80 Listen 8353 #监听端口写在主配置文件中
[root@localhost extra]# vim vhost.conf <VirtualHost *:8080> DocumentRoot "/var/www/html/kgc02/" ServerName www.kgc.com ErrorLog "logs/www.kgc02.com.error_log" CustomLog "logs/www.kgc02.com.access_log" common <Directory "/var/www/html/"> Require all granted </Directory> </VirtualHost> 输入完成后按Esc,输入:wq保存退出 [root@localhost extra]# cd /var/www/html/ [root@localhost html]# ls accp kgc [root@localhost html]# mkdir kgc02 [root@localhost html]# ls accp kgc kgc02 [root@localhost html]# cd kgc02/ [root@localhost kgc02]# vim index.html <h1>this is kgc02 web</h1> 输入完成后按Esc,输入:wq保存退出 [root@localhost kgc02]# vim /etc/httpd/conf/httpd.conf 输入:/Listen查到到监听端口位置 Listen 192.168.56.131:80 Listen 192.168.56.131:8080 #Listen 80 此处须要作的更改的是把IPv6的监听给注释关闭,同时把IPv4的监听地址更换为本身Linux的IP地址,使用yy复制,在下行粘贴,将端口改成8080 #修改完成后按Esc,输入:wq保存退出 [root@localhost kgc02]# systemctl restart httpd //重启服务 [root@localhost kgc02]# netstat -ntap Active Internet connections (servers and established) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 0.0.0.0:111 0.0.0.0:* LISTEN 1/systemd tcp 0 0 192.168.56.131:8080 0.0.0.0:* LISTEN 52732/httpd tcp 0 0 192.168.56.131:80 0.0.0.0:* LISTEN 52732/httpd #此时能够看到两个端口都处于监听状态
此时显示的就是咱们预先写好的8080端口的kgc02的网页主页
若是输入:www.kgc.com:80,那就还显示this is kgc web的界面服务器
——————————————————————————————————————————————————网络
此前咱们有两张网卡地址分别为:192.168.56.131和192.168.56.134,此处须要用上架构
[root@localhost kgc02]# cd /etc/httpd/conf/extra/ [root@localhost extra]# ls vhost.conf [root@localhost extra]# vim vhost.conf //11,29 s/^/#/g //全局把11行到29行进行注释,此处不须要使用 <VirtualHost 192.168.56.131:80> //此处将*号修改成第一张网卡的IP DocumentRoot "/var/www/html/accp/" ErrorLog "logs/www.accp.com.error_log" CustomLog "logs/www.accp.com.access_log" common <Directory "/var/www/html/"> Require all granted </Directory> </VirtualHost> <VirtualHost 192.168.56.134:80> //此处将*号改成第二张网卡的IP,并将下面的accp改成accp02以做区分 DocumentRoot "/var/www/html/accp02/" ErrorLog "logs/www.accp02.com.error_log" CustomLog "logs/www.accp02.com.access_log" common <Directory "/var/www/html/"> Require all granted </Directory> </VirtualHost> #修改完成后按Esc,输入:wq保存退出
[root@localhost extra]# cd /var/www/html/ [root@localhost html]# mkdir accp02 [root@localhost html]# cd accp02/ [root@localhost accp02]# vim index.html <h1>this is 134 accp02 web</h1> #输入完成后按Esc,输入:wq保存退出 [root@localhost accp02]# vim ../accp/index.html <h1>this is 131 accp web</h1> #修改完成后按Esc,输入:wq保存退出
[root@localhost accp02]# vim /etc/httpd/conf/httpd.conf Listen 192.168.56.131:80 Listen 192.168.56.134:80 #Listen 192.168.56.131:8080 把8080端口进行注释,并添加一行192.168.56.134的80端口监听 #修改完成后按Esc,输入:wq保存退出 [root@localhost accp02]# systemctl restart httpd
[root@localhost accp02]# cd /etc/httpd/conf/extra/ [root@localhost extra]# vim vhost.conf <VirtualHost 192.168.56.131:80> DocumentRoot "/var/www/html/accp/" ServerName www.accp.com ErrorLog "logs/www.accp.com.error_log" CustomLog "logs/www.accp.com.access_log" common <Directory "/var/www/html/"> Require all granted </Directory> </VirtualHost> <VirtualHost 192.168.56.134:80> DocumentRoot "/var/www/html/accp02/" ServerName www.naccp.com ErrorLog "logs/www.accp02.com.error_log" CustomLog "logs/www.accp02.com.access_log" common <Directory "/var/www/html/"> Require all granted </Directory> </VirtualHost> #以上两段须要添加ServerName
[root@localhost extra]# vim /etc/named.rfc1912.zones zone "naccp.com" IN { type master; file "naccp.com.zone"; allow-update { none; }; }; #添加以上内容 #修改完成后按Esc,输入:wq保存退出 [root@localhost extra]# cd /var/named/ [root@localhost named]# cp -p accp.com.zone naccp.com.zone [root@localhost named]# vim naccp.com.zone $TTL 1D @ IN SOA @ rname.invalid. ( 0 ; serial 1D ; refresh 1H ; retry 1W ; expire 3H ) ; minimum NS @ A 127.0.0.1 www IN A 192.168.56.134 //IP地址改成二网卡的地址 #修改完成后按Esc,输入:wq保存退出 [root@localhost named]# systemctl restart named [root@localhost named]# systemctl restart httpd //重启服务