Don't do it in a production environment. How to uninstall completely if you make a mistake in Ubuntu environment Execute the following commands in order. It's different from local, but be careful not to forget to create a user
sudo apt-get update
sudo apt-get upgrade
This server is nginx
sudo apt-get install php-intl
Install PDO related drivers and other packages
sudo apt-get install php php-gd mysql-server php-mysql
sudo apt-get install php-zip php-mbstring php-xml php7.4-cli
sudo apt -y install php-fpm
sudo apt -y install php-dev
Or
nginx related settings
sudo adduser nginx
sudo apt-get install nginx
Set password for Mysql.
* If you don't need it, skip it.
sudo mysql_secure_installation
PDO related drivers(sqlite)Put in
sudo apt-get install php7.4-sqlite3
Put curl
sudo apt-get install curl
Let's put composer! !!
curl -sS https://getcomposer.org/installer
sudo apt-get install composer
which composer
Let's change the location of the path setting(mv)Dene
sudo mv composer /usr/local/bin/composer
which composer
Let's change the ownership setting
sudo chmod 755 /usr/local/bin/composer
export PATH=/usr/local/bin:$PATH
which composer
adduser username
gpasswd -a username wheel
gpasswd -a username sudo
sudo gpasswd -a username sudo
sudo apt-get remove --purge mysql-server* mysql-common
sudo apt-get autoremove --purge
sudo rm -r /etc/mysql
sudo rm -r /var/lib/mysql
Path initialization
sudo mysql_secure_installation
Connect to database
sudo mysql -u root -p
Database creation
create database DB name;
User created
CREATE USER "testUser"@"localhost" IDENTIFIED BY "testPass";
Log out once
quit　
Or
exit
mysql -u user-p
After that, if you log in and grant the authority of the DB you created earlier, it will be like this.
GRANT ALL PRIVILEGES ON test.* TO "testUser"@"localhost";