CentOS8 LAMP構築

##環境
CentOS Linux release 8.0.1905 (Core)
Minimal installにgcc関係・vim・gitくらい入れたもの

##web
```Install_and_configure_apache2.4.37
[C8LX@root ~]# dnf install httpd httpd-devel httpd-tools mod_ssl -y
[C8LX@root ~]# httpd -v
Server version: Apache/2.4.37 (centos)
Server bui lt:   Oct  7 2019 21:42:02

[C8LX@root ~]# cd /etc/httpd/conf/
[C8LX@root /etc/httpd/conf]# cp httpd.conf httpd.conf.bk

[C8LX@root /etc/httpd/conf]# cat httpd.conf.bk | egrep -v "(\#|^$)" > httpd.conf

[C8LX@root /etc/httpd/conf]# vim httpd.conf
-:Listen 80
+:Listen 0.0.0.0:80

-:    DirectoryIndex index.html
+:    DirectoryIndex index.php index.html index.cgi
(末尾に追記)
ServerTokens Prod

[C8LX@root /etc/httpd/conf]# cd

[C8LX@root ~]# firewall-cmd --list-all
  services: cockpit dhcpv6-client ssh

[C8LX@root ~]# firewall-cmd --remove-service={dhcpv6-client,cockpit} --zone=public --permanent

[C8LX@root ~]# firewall-cmd --add-serevice={http,https} --zone=public --permanent

[C8LX@root ~]# firewall-cmd --reload

[C8LX@root ~]# firewall-cmd --list-all
  services: http https ssh

[C8LX@root ~]# echo "test page" > /var/www/html/index.html

[C8LX@root ~]# chmod -R apache:apache /var/www

[C8LX@root ~]# systemctl start httpd

[C8LX@root ~]# systemctl enable httpd
```
ブラウザで http://サーバIP/ へアクセスして、表示されればOK。


##PHP
```Install_and_configure_php7.2.11
[C8LX@root ~]# dnf install php php-fpm php-mbstring \
php-devel php-mysqlnd -y

[C8LX@root ~]# php -v
PHP 7.2.11 (cli) (built: Oct  9 2018 15:09:36) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v3.2.0, Copyright (c) 1998-2018 Zend Technologies

[C8LX@root ~]# vim /etc/php.ini
-:;date.timezone =
+:date.timezone = Asia/Tokyo
-:expose_php = On
+:expose_php = Off
-:;mbstring.language = Japanese
+:mbstring.language = Japanese
-:;mbstring.internal_encoding =
+:mbstring.internal_encoding = UTF-8
-:;mbstring.http_input =
+:mbstring.http_input = UTF-8
-:;mbstring.http_output =
+:mbstring.http_output = UTF-8
-:;mbstring.encoding_translation = Off
+:mbstring.encoding_translation = On
-:;mbstring.detect_order = auto
+:mbstring.detect_order = auto
-:;mbstring.substitute_character = none
+:mbstring.substitute_character = none

[C8LX@root ~]# echo -n '<?php\nphpinfo();\n?>' > /var/www/html/index.php

[C8LX@root ~]# cp /etc/php-fpm.d/www.conf /etc/php-fpm.d/www.conf.bk
[C8LX@root ~]# vim /etc/php-fpm.d/www.conf
-:;listen.owner = nobody
+:listen.owner = apache
-:;listen.group = nobody
+:listen.group = apache
-:;listen.mode = 0660
+:listen.mode = 0660

[C8LX@root ~]# systemctl restart httpd
```
ブラウザでhttp://サーバIP/index.phpへアクセスして、phpinfo()が表示されればOK。

##mysql
```Install_and_configure_mysql8.0
[C8LX@root ~]# dnf install mysql-server mysql-devel -y

[C8LX@root ~]# vim /etc/my.cnf.d/mysql-server.cnf
(末尾に追記)
+:character-set-server=utf8
+:bind-address=0.0.0.0
#+:collation-server=utf8_unicode_ci

[C8LX@root ~]# vim /etc/my.cnf
([client]直下に追記)
+:default-character-set=utf8
+:[mysql]
+:default-character-set=utf8

[C8LX@root ~]# cp /usr/lib/systemd/system/mysqld.service \
/etc/systemd/system/

[C8LX@root ~]# vim /etc/systemd/system/mysqld.service
-:ExecStart=/usr/libexec/mysqld --basedir=/usr
+:ExecStart=/usr/libexec/mysqld --basedir=/usr --skip-mysqlx

[C8LX@root ~]# systemctl daemon-reload

[C8LX@root ~]# systemctl start mysqld.service

[C8LX@root ~]# systemctl status mysqld.service
   Active: active (running)

[C8LX@root ~]# netstat -ant
tcp    0    0    0.0.0.0:3306    0.0.0.0:*    LISTEN

[C8LX@root ~]# mysql -u root
(※以下大文字は任意)
mysql> create database DBNAME;
mysql> create user USERNAME@localhost;
mysql> grant all privileges on DBNAME.* to USERNAME@localhost;
mysql> alter user USERNAME@localhost identified by 'PASSWORD';
mysql> quit;

[C8LX@root ~]# vim test.php
<?php
    try {
        $dbcon = new PDO('mysql:host=localhost;dbname=DBNAME','USERNAME','PASSWORD');
        printf("success\n");
    }
    catch(PDOException $e){
        printf("failure\n");
        exit;
    }   
?>  

[C8LX@root ~]# php test.php
success

[C8LX@root ~]# firewall-cmd --add-service=mysql --zone=public --permanent

[C8LX@root ~]# firewall-cmd --reload

[C8LX@root ~]# firewall-cmd --list-all
  services: http https mysql ntp samba samba-client ssh
```

ひとまずここまで。SQL苦手だからいつも検索するんだけど、
ちょくちょく全部大文字になってる場合があるの何故なんだろう。