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搭建LNMP

安装部署LNMP

一:安装Nginx 服务

1.1 关闭防火墙和selinux

systemctl restart firewalld 
systemctl disable  firewalld 
setenforce 0
 vim /etc/selinux/config 
SELINUX=disabled

1.2 安装依赖包,上传软件包到 /opt/目录

yum -y install pcre-devel zlib-devel gcc gcc-c++ make

image-20210814225747128


1.3 创建运行用户

useradd -M -s /sbin/nologin Nginx

1.4 编译安装

#需要将Nginx 源码包上传到/opt目录下
cd /opt  
tar zxvf Nginx-1.12.0.tar.gz -C /opt/

cd Nginx-1.12.0/
./configure \
--prefix=/usr/local/Nginx \
--user=Nginx \
--group=Nginx \
--with-http_stub_status_module

make && make install


1.5 优化路径

ln -s /usr/local/Nginx/sbin/Nginx /usr/local/sbin/

1.6 添加Nginx 服务

如果使用免交互,要注意有变量,不可以让变量被替换

vim /lib/systemd/system/Nginx.service
[Unit]
Description=Nginx
After=network.target
[Service]
Type=forking
PIDFile=/usr/local/Nginx/logs/Nginx.pid
ExecStart=/usr/local/Nginx/sbin/Nginx
ExecReload=/bin/kill -s HUP $MAINPID
ExecStop=/bin/kill -s QUIT $MAINPID
PrivateTmp=true
[Install]
WantedBy=multi-user.target

chmod 754 /lib/systemd/system/Nginx.service
systemctl start Nginx.service
systemctl enable Nginx.service

1.7 访问测试

firefox http://192.168.23.103

image-20210814225606107


二: 安装MysqL 服务

2.1 安装MysqL 环境依赖包,上传软件包到/opt/目录

yum -y install \
ncurses \
ncurses-devel \
bison \
cmake

image-20210814225727697


2.2 创建运行用户

useradd -M -s /sbin/nologin  MysqL

2.3 编译安装

cd /opt
tar zxvf MysqL-boost-5.7.20.tar.gz

cd /opt/MysqL-5.7.20/
cmake \
-DCMAKE_INSTALL_PREFIX=/usr/local/MysqL \
-DMysqL_UNIX_ADDR=/usr/local/MysqL/MysqL.sock \
-DSYSconfdIR=/etc \
-DSYstemD_PID_DIR=/usr/local/MysqL \
-DDEFAULT_CHARSET=utf8  \
-DDEFAULT_COLLATION=utf8_general_ci \
-DWITH_EXTRA_CHARSETS=all \
-DWITH_INNOBASE_STORAGE_ENGINE=1 \
-DWITH_ARCHIVE_STORAGE_ENGINE=1 \
-DWITH_BLACKHOLE_STORAGE_ENGINE=1 \
-DWITH_PERFSCHEMA_STORAGE_ENGINE=1 \
-DMysqL_DATADIR=/usr/local/MysqL/data \
-DWITH_BOOST=boost \
-DWITH_SYstemD=1

make && make install

2.4 修改MysqL 配置文件

#centos 7认有 /etc/my.cnf,这是mariadb数据库的安装文件,可以先删除

vim /etc/my.cnf
[client]
port = 3306
socket=/usr/local/MysqL/MysqL.sock

[MysqLd]
user = MysqL
basedir=/usr/local/MysqL
datadir=/usr/local/MysqL/data
port = 3306
character-set-server=utf8
pid-file = /usr/local/MysqL/MysqLd.pid
socket=/usr/local/MysqL/MysqL.sock
bind-address = 0.0.0.0
skip-name-resolve
max_connections=2048
default-storage-engine=INNODB
max_allowed_packet=16M
server-id = 1

sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES,NO_AUTO_CREATE_USER,NO_AUTO_VALUE_ON_ZERO,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,PIPES_AS_CONCAT,ANSI_QUOTES

2.5 修改MysqL安装目录和配置文件的属主属组

chown -R MysqL:MysqL /usr/local/MysqL/
chown MysqL:MysqL /etc/my.cnf

image-20210814230135456

image-20210814230152745


2.6 设置路径环境变量

echo 'export PATH=/usr/local/MysqL/bin:/usr/local/MysqL/lib:$PATH' >> /etc/profile
source /etc/profile

image-20210814230244207


2.7 初始化数据库

cd /usr/local/MysqL/bin/
./MysqLd \
--initialize-insecure \
--user=MysqL \
--basedir=/usr/local/MysqL \
--datadir=/usr/local/MysqL/data

image-20210814230518471


2.8 添加MysqLd系统服务

cp /usr/local/MysqL/usr/lib/systemd/system/MysqLd.service /usr/lib/systemd/system/
systemctl daemon-reload
systemctl start MysqLd.service
systemctl enable MysqLd

2.9 修改MysqL 登录密码

MysqLadmin -u root -p password "abc123"

image-20210814230627411


2.10 授权远程登录

MysqL -u root -p"abc123" -e "grant all privileges on *.* to 'root'@'%' identified by 'abc123';"

image-20210814230827802


交互式修改root密码

MysqL -u root -p  #先初始空密码登录,当要求输入密码,直接回车

#修改root密码
set password for 'root'@'localhost'=password('abc123');
#远程登录可选
set password for 'root'@'%'=password('abc123');
#授权远程登录
grant all privileges on *.* to 'root'@'%' identified by 'abc123';

三: 安装配置PHP

3.1 上传软件包到/opt/目录下,并安装依赖包

yum -y install gd \
libjpeg libjpeg-devel \
libpng libjpeg-turbo-devel  \
freetype freetype-devel \
libxml2 libxml2-devel \
zlib zlib-devel \
curl curl-devel \
openssl openssl-devel

image-20210814232353401


3.2 编译安装

cd /opt
tar jxvf PHP-7.1.10.tar.bz2

cd PHP-7.1.10
./configure \
--prefix=/usr/local/PHP \
--with-MysqL-sock=/usr/local/MysqL/MysqL.sock \
--with-MysqLi \
--with-zlib \
--with-curl \
--with-gd \
--with-jpeg-dir \
--with-png-dir \
--with-freetype-dir \
--with-openssl \
--enable-fpm \
--enable-mbstring \
--enable-xml \
--enable-session \
--enable-ftp \
--enable-pdo \
--enable-tokenizer \
--enable-zip

make && make install

#PHP -m 可以查看安装的模块

3.3 路径优化

ln -s /usr/local/PHP/bin/* /usr/local/bin/
ln -s /usr/local/PHP/sbin/* /usr/local/sbin/

3.4 调整PHP配置文件

PHP有三个配置文件

3.4.1 调整主配置文件

cp /opt/PHP-7.1.10/PHP.ini-development /usr/local/PHP/lib/PHP.ini
cp /usr/local/PHP/lib/PHP.ini{,.bak}

#调整主配置文件:
cp /opt/PHP-7.1.10/PHP.ini-development /usr/local/PHP/lib/PHP.ini	
vim /usr/local/PHP/lib/PHP.ini
--1170行--修改
MysqLi.default_socket = /usr/local/MysqL/MysqL.sock
--939行--取消注释,修改
date.timezone = Asia/Shanghai

image-20210814235747602

image-20210814235726857


3.4.2 调整进程服务配置文件

cd /usr/local/PHP/etc/
cp  PHP-fpm.conf.default PHP-fpm.conf
vim PHP-fpm.conf
--17行--去掉";"注释
pid = run/PHP-fpm.pid

image-20210815000514375


3.4.3 调整扩展配置文件

cd /usr/local/PHP/etc/PHP-fpm.d/
cp www.conf.default www.conf

#因为在进程服务配置文件里有   include=/usr/local/PHP/etc/PHP-fpm.d/*.conf  项

image-20210815000841160


3.5 启动PHP-fpm

/usr/local/PHP/sbin/PHP-fpm -c /usr/local/PHP/lib/PHP.ini
netstat -anpt | grep 9000
#PHP-FPM(FastCGI Process Manager:FastCGI 进程管理器)是一个 PHPFastCGI 管理器, 由于Nginx服务器不能处理动态页面,需要由 Nginx 把动态请求交给 PHP-fpm 进程进行解析。

cd /opt/PHP-7.1.10/sapi/fpm
cp  PHP-fpm.service /usr/lib/systemd/system/PHP-fpm.service
systemctl restart PHP-fpm.service

image-20210815001220821


3.6 配置 Nginx 支持 PHP 解析

vim /usr/local/Nginx/conf/Nginx.conf
--65行--取消注释,修改
location ~ \.PHP$ {
	root           html;
	fastcgi_pass   127.0.0.1:9000;
	fastcgi_index  index.PHP;
	fastcgi_param  SCRIPT_FILENAME  /usr/local/Nginx/html$fastcgi_script_name;	#将 /scripts 修改Nginx的工作目录
	include        fastcgi_params;
}


systemctl restart Nginx.service

image-20210815002441237


3.7 验证PHP测试页面

7、验证PHP 测试页
vim /usr/local/Nginx/html/index.PHP
<?PHP
PHPinfo();
?>

浏览器访问
http://192.168.80.10/index.PHP

image-20210815011452669


3.8 测试数据库工作是否正常

8、验证数据库工作是否正常
MysqL -u root -p
CREATE DATABASE bbs;
GRANT all ON bbs.* TO 'bbsuser'@'%' IDENTIFIED BY 'admin123';
GRANT all ON bbs.* TO 'bbsuser'@'localhost' IDENTIFIED BY 'admin123';
flush privileges;



vim /usr/local/Nginx/html/index.PHP      		#替换原来的测试页内容
<?PHP
$link=MysqLi_connect('192.168.23.103','bbsuser','admin123');
if($link) echo "<h1>Success!!</h1>";
else echo "Fail!!";
?>



#浏览器访问
http://192.168.23.103/index.PHP

image-20210815012102665


四 部署社区论坛web应用

4.1 将软件包上传到/opt目录下

cd /opt
unzip discuz_X3.4_SC_UTF8.zip  -d /opt/dis
cd /opt/dis/dir_SC_UTF8/
cp -r upload/ /usr/local/Nginx/html/bbs/

image-20210815013030233


4.2 调整论坛目录的权限

cd /usr/local/Nginx/html/bbs/
chown -R nobody ./config/
chown -R nobody ./data/
chown -R nobody ./uc_client/
chown -R nobody ./uc_server/

或
chmod -R 777 ./config/
chmod -R 777 ./data/
chmod -R 777 ./uc_client/
chmod -R 777 ./uc_server/

#这里是使用了 PHP-fpm,启动用户是nobody

image-20210815013649005


4.3 访问论坛页面

firefox http://192.168.23.103/bbs/install/index.PHP

数据库服务器:localhost     ###本地架设就用localhost,如何不是在在本机上就要填写IP地址和端口号
数据库名字:bbs
数据库用户名:bbsuser
数据库密码:admin123
管理员账号:admin
管理员密码:admin123

image-20210815013239746

image-20210815014326396

image-20210815014338214

image-20210815014447832

image-20210815014517573

image-20210815015718929

 firefox http://192.168.23.103/bbs/index.PHP   #论坛首页
  firefox http://192.168.23.103/bbs/admin.PHP  #管理员页面

image-20210815015833299

image-20210815015935289


五 fpm 参数优化

vim /usr/local/PHP/etc/PHP-fpm.conf 
pid = run/PHP-fpm.pid


vim /usr/local/PHP/etc/PHP-fpm.d/www.conf
--96行--
pm = dynamic				#fpm进程启动方式,动态的
--107行--
pm.max_children=20			#fpm进程启动的最大进程数
--112行--
pm.start_servers = 5		#动态方式下启动时认开启的进程数,在最小和最大之间
--117行--
pm.min_spare_servers = 2	#动态方式下最小空闲进程数
--122行--
pm.max_spare_servers = 8	#动态方式下最大空闲进程数


kill -USR2 `cat /usr/local/PHP/var/run/PHP-fpm.pid`			#重启PHP-fpm
netstat -anpt | grep 9000
ps -elf | grep PHP-fpm

image-20210815020204425

image-20210815020432220

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