yum 搭建lnmp 环境

环境

系统 CentOS 7.6 、php 7.2 、mysql8.0、swoole 4.4 扩展、redis 扩展

nginx安装

# 下载nginx
wget http://nginx.org/download/nginx-1.20.2.tar.gz

#解压
tar -zxvf nginx-1.20.2.tar.gz

cd nginx-1.20.2

# 取消debug编译模式安装更快
vim auto/cc/gcc

找到这行

# debug
CFLAGS="$CFLAGS -g"

注释掉

# debug
#CFLAGS="$CFLAGS -g"

安装依赖并创建nginx启动用户

yum install wget gcc gcc-c++ pcre pcre-devel openssl openssl-devel zlib zlib-devel

useradd -s /bin/false -M www

编译

./configure --prefix=/usr/local/nginx --with-http_ssl_module --with-http_v2_module --with-http_stub_status_module --with-pcre --with-http_gzip_static_module --with-http_dav_module   --with-http_addition_module  --with-http_sub_module --with-http_flv_module  --with-http_mp4_module

make && make install

设置软连接

ln -sv /usr/local/nginx/sbin/nginx /usr/local/sbin/

设置开机启动

vim /usr/lib/systemd/system/nginx.service

# nginx.service内容
[Unit]
Description=nginx
After=network.target
[Service]
Type=forking
PIDFile=/usr/local/nginx/logs/nginx.pid
ExecStart=/usr/local/nginx/sbin/nginx
ExecReload=/usr/local/nginx/sbin/nginx -s reload
ExecStop=/usr/local/nginx/sbin/nginx -s stop
PrivateTmp=true
[Install]
WantedBy=multi-user.target

systemctl start nginx
systemctl enable nginx

打开浏览器输入服务器公网ip访问 , 出现 Welcome to nginx! 安装成功

# 查看版本
nginx -v

mysql安装

cd /usr/local
mkdir mysql
cd mysql
wget  https://repo.mysql.com/mysql80-community-release-el7-1.noarch.rpm

# 安装 yum repo文件并更新 yum 缓存
rpm -ivh mysql80-community-release-el7-1.noarch.rpm

# 更新yum命令
yum clean all
yum makecache

# 查看mysql yum仓库中mysql版本
yum repolist all | grep mysql

# 使用 yum-config-manager 命令修改相应的版本为启用状态最新版本为禁用状态，根据需要安装的版本修改，当前默认是8.0不用处理
# yum-config-manager --disable mysql80-community #关闭8.0版本
# yum-config-manager --enable mysql57-community #开启5.7版本

# 安装
yum install mysql-community-server

# 设置开机启动
systemctl enable mysqld.service
systemctl start mysqld.service

# 查看初始密码
cat /var/log/mysqld.log | grep password

# 重置密码,注意位数和种类至少大+写+小写+符号+数字
ALTER USER 'root'@'localhost' IDENTIFIED BY '新密码';

忘记密码重置

vim /etc/my.cnf

# 在【mysqld】模块添加
skip-grant-tables   

# 重启mysql服务：  
service mysqld restart

# 将旧密码置空 提示输入密码时直接敲回车。
mysql -u root -p

# 选择数据库
use mysql

# 将密码置空
update user set authentication_string = '' where user = 'root';

# 退出
quit


# 删掉步骤1的语句  skip-grant-tables
# 重启服务  
service mysqld restart

# 提示密码直接回车
mysql -u root -p

# 修改密码 
ALTER USER 'root'@'localhost' IDENTIFIED BY '密码';

常用命令

# 登录mysql
mysql -u username -p

# 退出mysql 
quit 

#启动mysql
systemctl start mysqld.service

#结束
systemctl stop mysqld.service 

#重启
systemctl restart mysqld.service

#开机自启
systemctl enable mysqld.service

#查看mysql版本
select version();

#立即生效
flush privileges; 

phpmyadmin登录问题 mysqli::real_connect(): The server requested authentication method unknown to the client [caching_sha2_password]

vim /etc/my.cnf

# 修改
default_authentication_plugin=mysql_native_password

# 连接mysql
use mysql

# 修改密码
ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'password';

# 刷新
FLUSH PRIVILEGES;

php安装

# 安装源
# 安装 EPEL 软件包：
sudo yum install epel-release

# 安装 remi 源：
sudo yum install http://rpms.remirepo.net/enterprise/remi-release-7.rpm

# 安装 yum 扩展包：
sudo yum install yum-utils

# 启用 remi 仓库：
sudo yum-config-manager --enable remi-php72 $ sudo yum update

# 安装 PHP7,2
sudo yum install php72

# 查看安装结果
php72 -v 

# 安装 php-fpm 和一些其他模块
sudo yum install php72-php-fpm php72-php-gd php72-php-json php72-php-mbstring php72-php-mysqlnd php72-php-xml php72-php-xmlrpc php72-php-opcache php72-php-devel php72-php-pear

# 设置开机自启
sudo systemctl enable php72-php-fpm.service

# 开启服务 
sudo systemctl start php72-php-fpm.service 
# 停止服务 
sudo systemctl stop php72-php-fpm.service 
# 重启服务 
sudo systemctl restart php72-php-fpm.service 
# 查看状态 
sudo systemctl status php72-php-fpm.service

cd /usr/local/nginx/html
vim phpinfo.php

# phpinfo.php
<?php 
    echo phpinfo();

修改nginx配置

cd /usr/local/nginx/conf

vim nginx.conf

# nginx.conf 找到修改如下
    # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
    #
    location ~ \.php$ {
        root           html;
        fastcgi_pass   127.0.0.1:9000;
        fastcgi_index  index.php;
       #fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;
        fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
        include        fastcgi_params;
    }

# 重启nginx
systemctl restart nginx

#访问 http://服务器ip地址/phpinfo.php  

安装swoole扩展(手动)

# 下载 http://pecl.php.net/package/redis
wget http://pecl.php.net/get/swoole-4.4.26.tgz

# 解压
tar zxvf swoole-4.4.26.tgz

cd swoole-4.4.26

# 用phpize生成
/opt/remi/php72/root/usr/bin/phpize

# 进行配置
./configure --with-php-config=/opt/remi/php72/root/usr/bin/php-config

# 编译安装
make && make install

#报错 error: '__builtin_ssubl_overflow' was not declared in this scope。 先升级gcc版本
sudo yum install centos-release-scl
sudo yum install devtoolset-7
scl enable devtoolset-7 bash

#需要注意的是scl命令启用只是临时的，退出shell或重启就会恢复原系统gcc版本。
#如果要长期使用的话：
 
echo "source /opt/rh/devtoolset-7/enable" >>/etc/profile
#这样退出shell重新打开就是新版的gcc了
#其他版本同理，修改devtoolset版本号即可


# 再执行 make && make install


# 在PHP配置文件php.ini里面加载swoole扩展
cd /etc/opt/remi/php72/php.d/

vim 40-swoole.ini

# 40-swoole.ini
; Enable swoole extension module
extension=swoole.so

; Configuration
;swoole.enable_coroutine = On
;swoole.enable_library = On
;swoole.enable_preemptive_scheduler = Off
;swoole.display_errors = On
:swoole.use_shortname = On
;swoole.unixsock_buffer_size = 8388608

# 重启 sudo systemctl stop php72-php-fpm.service

安装redis扩展

# 搜索扩展
yum search php72 | grep redis

# /etc/opt/remi/php72/php.d/50-redis.ini

# 安装后重启服务 phpinfo查看是否安装成功
sudo yum install php72-php-pecl-redis

#redis.so 扩展存放在  /opt/remi/php72/root/usr/lib64/php/modules/

# 安装swoole4版本扩展
# sudo yum install php72-php-pecl-swoole4

redis安装

wget http://download.redis.io/releases/redis-6.0.8.tar.gz
tar xzf redis-6.0.8.tar.gz
cd redis-6.0.8
make

#启动
cd src
./redis-server

# 使用指定配置文件启动
./redis-server ../redis.conf

redis配置修改

vim redis.conf
#设置密码
requirepass 123456 
# 守护进程方式启动
daemonize yes 
#允许远程连接
bind 0.0.0.0

redis自启

vim /etc/init.d/redis
chmod +x /etc/init.d/redis

# 启动
/etc/init.d/redis start  | stop

# 加入开机自启服务
chkconfig --add redis
# 开启服务自启动
chkconfig redis on
# 开机启动项列表
chkconfig --list 

/etc/init.d/redis

#！/bin/sh
# chkconfig:   2345 90 10 
# description: Start and Stop redis   
  
PATH=/usr/local/bin:/sbin:/usr/bin:/bin   #找到本机安装redis后，存放redis命令的目录  
REDISPORT=6379                            #redis的默认端口， 要和下文中的redis.conf中一致
EXEC=/www/redis-6.0.8/src/redis-server    #redis服务端的命令
REDIS_CLI=/www/redis-6.0.8/src/redis-cli  #redis客户端的命令  这两个一般都在 PATH目录下
PIDFILE=/var/run/redis_6379.pid           #reids的进程文件生成的位置
CONF="/www/redis-6.0.8/redis.conf"        #redis的配置文件所在的目录 
PASS=123456                               #redis密码

case "$1" in   
        start)   
                if [ -f $PIDFILE ]   
                then   
                        echo "$PIDFILE exists, process is already running or crashed."  
                else  
                        echo "Starting Redis server..."  
                        $EXEC $CONF   
                fi   
                if [ "$?"="0" ]   
                then   
                        echo "Redis is running..."  
                fi   
                ;;   
        stop)   
                if [ ! -f $PIDFILE ]   
                then   
                        echo "$PIDFILE exists, process is not running."  
                else  
                        PID=$(cat $PIDFILE)   
                        echo "Stopping..."  
                       $REDIS_CLI -p $REDISPORT -a $PASS  SHUTDOWN    
                        sleep 2  
                       while [ -x $PIDFILE ]   
                       do  
                                echo "Waiting for Redis to shutdown..."  
                               sleep 1  
                        done   
                        echo "Redis stopped"  
                fi   
                ;;   
        restart|force-reload)   
                ${0} stop   
                ${0} start   
                ;;   
        *)   
               echo "Usage: /etc/init.d/redis {start|stop|restart|force-reload}" >&2  
                exit 1  
esac