VPS Tutorials & Installations

Install Docker Engine

sudo apt update
sudo apt install apt-transport-https ca-certificates curl gnupg lsb-release -y
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
sudo apt update
sudo apt install docker-ce docker-ce-cli containerd.io -y
sudo systemctl start docker
sudo systemctl enable docker
sudo usermod -aG docker $USER
# Log out and log back in for group changes to take effect

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Run a Sample Nginx Container

docker run --name my-nginx -p 80:80 -d nginx
# Access Nginx at http://your_vps_ip

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Install Apache

sudo apt update
sudo apt install apache2 -y
sudo systemctl enable apache2 --now

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Install MySQL Server

sudo apt install mysql-server -y
sudo mysql_secure_installation
# Follow prompts to set root password, remove anonymous users, disallow root login remotely, etc.

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Install PHP and Modules

sudo apt install php libapache2-mod-php php-mysql php-cli php-curl php-json php-gd php-mbstring php-xml php-zip -y
sudo systemctl restart apache2

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Install NVM

curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.1/install.sh | bash
# Close and reopen your terminal, or run:
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" # This loads nvm
[ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion" # This loads nvm bash_completion

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Install Latest Node.js and Set as Default

nvm install node
nvm use node
nvm alias default node
node -v
npm -v

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Install and Enable UFW

sudo apt update
sudo apt install ufw -y
sudo ufw default deny incoming
sudo ufw default allow outgoing

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Allow Essential Services

sudo ufw allow ssh        # Port 22 (or your custom SSH port)
sudo ufw allow http       # Port 80
sudo ufw allow https      # Port 443
sudo ufw enable           # Enable the firewall (confirm with 'y')
sudo ufw status verbose

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Install Git

sudo apt update
sudo apt install git -y
git --version

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Configure Git User Information

git config --global user.name "Your Name"
git config --global user.email "[email protected]"

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Install PostgreSQL Server

sudo apt update
sudo apt install postgresql postgresql-contrib -y
sudo systemctl enable postgresql --now

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Set PostgreSQL User Password

sudo -i -u postgres psql -c "ALTER USER postgres WITH PASSWORD 'your_new_password';"
# IMPORTANT: Replace 'your_new_password' with a strong password!

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Install Nginx

sudo apt update
sudo apt install nginx -y
sudo systemctl enable nginx --now
sudo ufw allow 'Nginx HTTP'
sudo ufw allow 'Nginx HTTPS'
sudo ufw reload

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Basic Nginx Server Block Configuration

sudo nano /etc/nginx/sites-available/your_domain.conf
# Add the following content (replace your_domain.com and path):
# server {
#     listen 80;
#     listen [::]:80;
#     server_name your_domain.com www.your_domain.com;
#     root /var/www/html/your_domain;
#     index index.html index.htm;
#     location / {
#         try_files $uri $uri/ =404;
#     }
# }
# Save and exit.
sudo ln -s /etc/nginx/sites-available/your_domain.conf /etc/nginx/sites-enabled/
sudo nginx -t
sudo systemctl reload nginx

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Install Fail2Ban

sudo apt update
sudo apt install fail2ban -y

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Configure Fail2Ban (jail.local)

sudo cp /etc/fail2ban/jail.conf /etc/fail2ban/jail.local
sudo nano /etc/fail2ban/jail.local
# Inside jail.local, you can enable/configure jails. For example, to enable SSH protection:
# [sshd]
# enabled = true
# port = ssh
# filter = sshd
# logpath = /var/log/auth.log
# maxretry = 5
# bantime = 1h
# Save and exit.
sudo systemctl enable fail2ban --now
sudo systemctl restart fail2ban
sudo fail2ban-client status sshd

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Automated OpenVPN Install Script

wget https://raw.githubusercontent.com/Nyr/openvpn-install/master/openvpn-install.sh
chmod +x openvpn-install.sh
sudo ./openvpn-install.sh
# Follow the on-screen prompts to configure your OpenVPN server, create client profiles, and manage users.
# This script handles most of the complex setup automatically.

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Install Tmux

sudo apt update
sudo apt install tmux -y

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Basic Tmux Usage

tmux new-session -s my_session  # Create a new session named 'my_session'
# Inside tmux:
# Ctrl+b d  (detach from session)
# tmux attach -t my_session (re-attach to session)
# Ctrl+b %  (split pane vertically)
# Ctrl+b "  (split pane horizontally)
# Ctrl+b arrow_key (navigate between panes)
# Ctrl+b x  (close current pane)
# Ctrl+b c  (create new window)
# Ctrl+b n  (next window)
# Ctrl+b p  (previous window)

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Install Certbot and Nginx Plugin

sudo apt update
sudo apt install certbot python3-certbot-nginx -y

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Obtain and Install SSL Certificate

sudo certbot --nginx -d your_domain.com -d www.your_domain.com
# Follow the interactive prompts. Certbot will automatically configure Nginx and set up renewals.

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Import MongoDB GPG Key

sudo apt update
sudo apt install gnupg curl -y
curl -fsSL https://www.mongodb.org/static/pgp/server-6.0.asc | sudo gpg --dearmor -o /usr/share/keyrings/mongodb-archive-keyring.gpg

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Create a List File for MongoDB

echo "deb [ arch=amd64,arm64 signed-by=/usr/share/keyrings/mongodb-archive-keyring.gpg ] https://repo.mongodb.org/apt/ubuntu $(lsb_release -cs)/mongodb-org/6.0 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-6.0.list

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Install MongoDB Packages

sudo apt update
sudo apt install -y mongodb-org
sudo systemctl enable mongod --now
sudo systemctl status mongod

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Install phpMyAdmin

sudo apt update
sudo apt install phpmyadmin -y
# During installation, choose 'apache2' when prompted for web server and configure database if asked.
sudo ln -s /etc/phpmyadmin/apache.conf /etc/apache2/conf-available/phpmyadmin.conf
sudo a2enconf phpmyadmin
sudo systemctl reload apache2
# Access phpMyAdmin at http://your_server_ip/phpmyadmin

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Edit User Crontab

crontab -e
# This will open a text editor (like nano or vim) for your user's crontab file.
# Add your cron job entries here.
# Example: Run a script daily at 3:30 AM
# 30 3 * * * /path/to/your/script.sh
# Example: Run a command every 5 minutes
# */5 * * * * /usr/bin/command_to_run
# Save and exit.

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View Existing Cron Jobs

crontab -l

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Install Htop

sudo apt update
sudo apt install htop -y

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Run Htop

htop

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