devops_commands.txt

// Create SUDO User
adduser username

usermod -aG sudo username

// Generate SSH Key Pair
ssh-keygen -t ecdsa -b 521

// Install PHP and Extensions
sudo apt update
sudo add-apt-repository ppa:ondrej/php
sudo apt install php8.3-cli
sudo apt install php8.3-common php8.3-bcmath php8.3-mbstring php8.3-xml php8.3-curl php8.3-gd php8.3-zip php8.3-mysql

// Check PHP installed modules
php8.3 -m

// Install Composer
sudo apt install composer

// Install MySQL/Secure Installation
sudo apt install mysql-server
sudo mysql_secure_installation

// Setup Database and User
CREATE DATABASE yourdatabase;
CREATE USER 'your-username'@'localhost' IDENTIFIED BY 'your-password';
GRANT ALL PRIVILEGES ON yourdatabase.* TO 'your-username'@'localhost';
FLUSH PRIVILEGES;
EXIT;

// Install NVM/NodeJS
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.1/install.sh | bash

export NVM_DIR="$([ -z "${XDG_CONFIG_HOME-}" ] && printf %s "${HOME}/.nvm" || printf %s "${XDG_CONFIG_HOME}/nvm")"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"

nvm --version

nvm install --lts

// Taking directory ownership
sudo chown -R username /directory-name

// Taking file ownership
sudo chown username filename

// Proper Directory Permissions (Navigate to your project root directory)
sudo chown -R $USER:www-data .

sudo find . -type f -exec chmod 664 {} \;

sudo find . -type d -exec chmod 775 {} \;

sudo chgrp -R www-data storage bootstrap/cache

sudo chmod -R ug+rwx storage bootstrap/cache

// Install Certbot
sudo apt install certbot python3-certbot-nginx

// Issue SSL Cert
sudo certbot --nginx -d glennraya.com

// SSH Config file (keep ssh-agent active)
User git
Hostname github.com
IdentityFile ~/.ssh/id_github
TCPKeepAlive yes
IdentitiesOnly yes
ServerAliveInterval 60