Table of Contents
Step 1: Install ppa:ondrej/php
sudo add-apt-repository ppa:ondrej/php
Step 2: Install PHP-FPM
sudo apt update && sudo apt upgrade -y sudo apt -y install php7.4 php7.4-fpm
Step 3: Configure PHP-FPM
sudo cp /etc/php/7.4/fpm/pool.d/www.conf /etc/php/7.4/fpm/pool.d/www.conf.bak sudo sed -i 's/;listen.mode = 0660/listen.mode = 0660/g' /etc/php/7.4/fpm/pool.d/www.conf sudo sed -i 's/;security.limit_extensions = .php .php3 .php4 .php5 .php7/security.limit_extensions = .php .php3 .php4 .php5 .php7/g' /etc/php/7.4/fpm/pool.d/www.conf
Step 4: Starting PHP-FPM
sudo systemctl start php7.4-fpm sudo systemctl enable php7.4-fpm sudo systemctl status php7.4-fpm
Step 5: Install PHP-Modules
sudo apt install php7.4-[extname]
Example:
sudo apt install php7.4-mysqli sudo apt install php7.4-mbstring sudo apt install php7.4-xml
Step 6: Download phpMyAdmin
Go to site https://www.phpmyadmin.net/ and download the last version of phpMyAdmin, extract to a folder and upload to /var/www/

Step 7: Configure nginx to load phpMyAdmin site
server { listen [::]:80; listen 80; server_name mydb.maixuanviet.com; return 301 https://mydb.maixuanviet.com$request_uri; } server { listen [::]:443 ssl; listen 443 ssl; server_name mydb.maixuanviet.com; ssl_certificate /etc/letsencrypt/live/mydb.maixuanviet.com/fullchain.pem; ssl_certificate_key /etc/letsencrypt/live/mydb.maixuanviet.com/privkey.pem; include /etc/letsencrypt/options-ssl-nginx.conf; ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; root /var/www/phpmyadmin; index index.php index.html index.htm; location / { if (!-e $request_filename){ rewrite ^(.*)$ /index.php last; } } location ~ ^/(doc|sql|setup)/ { deny all; } location ~ /\.ht { deny all; } location ~ .php$ { fastcgi_split_path_info ^(.+.php)(/.+)$; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; include fastcgi_params; fastcgi_intercept_errors on; fastcgi_read_timeout 300; include fastcgi_params; #include snippets/fastcgi-php.conf; if (-f $request_filename) { fastcgi_pass unix:/run/php/php7.4-fpm.sock; } } }
Done! Good luck to you!

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