Web server (LAMP) load balancing via DNS polling and NFS sharing

Web server (LAMP) load balancing via DNS polling and NFS sharing, deploying Discuz forum

Topology ideas:

Server 1:mariadb+nfs;172.20.120.40

Server 2:apache+php-fpm;172.20.120.41

Server 3:apache+bind;172.20.120.42

Server 1:mariadb+nfs;172.20.120.40

Yum Install Mariadb-server Nfs-utils

Deploy NFS Share, use LVM as database directory/mydata, web file directory/vhosts respectively;

Yum install mariadb-server nfs-utils-yfdisk-l/dev/sdapartx-a/dev/sdapvcreate/dev/sda3vgcreate vg01/dev/sda3lvcreat E-l 8g-n mydata vg01lvcreate-l 8g-n myhtdoc vg01mkfs-t xfs/dev/vg01/mydatamkfs-t Xfs/dev/vg01/myhtdocmkdir/mydatam Kdir/vhostsvim/etc/fstab Add the following

/dev/vg01/mydata/mydata XFS Defaults 0 0
/dev/vg01/myhtdoc/vhosts XFS Defaults 0 0

Mount-avim/etc/exports

/vhosts 172.20.120.41 (Rw,no_root_squash) 172.20.120.42 (Rw,no_root_squash)

Cp/usr/share/mysql/my-large.cnf/etc/my.cnfvim/etc/my.cnf

Innodb_file_per_table = On
Skip_name_resolv = On
DataDir =/mydata/data

Mkdir-pv/mydata/datachown Mysql:mysql/mydata/datasystemctl Enable NFS Mariadbsystemctl start NFS Mariadbmysql_secure_ Installation

Download Discuz and upload the Web file to the/vhosts/web1 directory

Server 2:apache+php-fpm;172.20.120.41

Yum install httpd php-fpm php-mysql nfs-utils-yvim/etc/fstab

172.20.120.40:/vhosts/vhosts NFS Defaults,_netdev 0 0

Mount-avim/etc/httpd/conf/htttpd.conf

AddType application/x-httpd-php. php
AddType Application/x-httpd-php-source. Phps

DirectoryIndex index.php index.html

<virtualhost :80>
ServerName bbs.lewis.com
Documentroot/vhosts/web1
Proxyrequests off
Proxypassmatch ^/(.. PHP (/.*)?) $ fcgi://172.20.120.41:9000/vhosts/web1/$1
<directory "/vhosts" >
Require all granted
Options None
allowoverride None
</Directory>
</VirtualHost>

Vim/etc/php-fpm.d/www.conf

Listen = 172.20.120.41:9000

Listen.allowed_clients = 172.20.120.41,172.20.120.42

Systemctl enable httpd php-fpmsystemctl start httpd php-fpm

Server 3:apache+bind;172.20.120.42

Yum Install httpd bind Nfs-utils-yvim/etc/fstab

172.20.120.40:/vhosts/vhosts NFS Defaults,_netdev 0 0

Mount-avim/etc/httpd/conf/htttpd.conf

AddType application/x-httpd-php. php
AddType Application/x-httpd-php-source. Phps

DirectoryIndex index.php index.html

<virtualhost :80>
ServerName bbs.lewis.com
Documentroot/vhosts/web1
Proxyrequests off
Proxypassmatch ^/(.. PHP (/.*)?) $ fcgi://172.20.120.41:9000/vhosts/web1/$1
<directory "/vhosts" >
Require all granted
Options None
allowoverride None
</Directory>
</VirtualHost>

Vim/etc/named.conf

Options {
Listen-on Port 53 {172.20.120.42;};
Listen-on-v6 Port 53 {:: 1;};
allow-query {172.20.120.0/16;};

Vim/etc/named.rfc1912.zones

Zone "Lewis.com" in {
Type master;
File "Lewis.com.zone";
allow-update {none;};
};

Vim/var/named/lewis.com.zone

$TTL 1D
@ in SOA ns.lewis.com. [Email protected] (
2018060501
2H
20M
1W
1D
)
In NS ns.lewis.com.
NS in A 172.20.120.42
BBS in A 172.20.120.41
BBS in A 172.20.120.42
Lewis.com. In A 172.20.120.42
Lewis.com. In A 172.20.120.41

Systemctl enable httpd namedsystemctl start httpd named

Web server (LAMP) load balancing via DNS polling and NFS sharing