# 安裝LNMP (HW06)
***LNMP(LEMP):Nginx+PHP+MariaDB***

### 1. 更新系統

$ sudo apt update && sudo apt upgrade


### 2. 安装Nginx
下載並安裝Nginx
確認Nginx正在運作

$ sudo apt install nginx
$ sudo systemctl status nginx


***補充: 查Ip address***

$ ip addr show

- [ ] *教室電腦ip*
在瀏覽器檢查Nginx
- [ ] *教室電腦ip*

### 3. 安装MariaDB
下載並安裝MariaDB

$ sudo apt install mariadb-server mariadb-client -y

確認MariaDB正在運作

$ sudo systemctl status mariadb

?

$ sudo mysql_secure_installation

?

$ sudo mysql -u root -p


### 4. 安装PHP
下載並安裝PHP

$ sudo apt install php8.1 php8.1-fpm php8.1-mysql php-common php8.1-cli php8.1-common php8.1-opcache php8.1-readline php8.1-mbstring php8.1-xml php8.1-gd php8.1-curl

啟動PHP-FPM
?

$ sudo systemctl start php8.1-fpm
$ sudo systemctl enable php8.1-fpm

確認PHP正在運作

$ sudo systemctl status php8.1-fpm

?

$ sudo nano /etc/php/8.1/fpm/php.ini

在php.ini中修改以下數值

upload_max_filesize = 32M
post_max_size = 48M
memory_limit = 256M
max_execution_time = 600
max_input_vars = 3000
max_input_time = 1000

重新啟動PHP-FPM

$ sudo systemctl restart php8.1-fpm


### 5. 配置Nginx虛擬主機
?

$ sudo nano /etc/nginx/sites-enabled/default

將default裡的server{}編輯成如下方所示

server {
    listen 80;

    root /var/www/html;

    index index.php;

    server_name example.com www.example.com;

    location / {
        try_files $uri $uri/ =404;
    }

    location ~ \.php$ {
    include snippets/fastcgi-php.conf;
        fastcgi_pass unix:/run/php/php8.1-fpm.sock;
    }

}

確認Nginx設定是否正常
重新啟動Nginx和PHP-FPM

$ nginx -t
$ sudo systemctl restart nginx php8.1-fpm


### 6. Nginx PHP處理
***補充: 拒絕不符權限的操作***

$ sudo chmod 777 /var/www/html -R

建基本PHP基本資訊頁面

$ echo "<?php phpinfo(); ?>" > /var/www/html/info.php

瀏覽器開啟PHP資訊頁面
- [ ] *教室電腦ip*

### 檢查:
IP和PHP版本
Nginx版本
MariaDB版本

### 參考資料:
* https://cloudcone.com/docs/article/how-to-install-lemp-stack-on-ubuntu-22-04/
* https://www.linuxbabe.com/ubuntu/install-lemp-stack-ubuntu-22-04-server-desktop