Create user docs | setup.sh creation

create-user.md

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+# Creating a new user on your Linux server and configuring it for administrative tasks
+
+## 1. Create a New User
+
+- Log in to Your Server as the root user or a user with sudo privileges.
+- Add a New User:
+  `sudo adduser newusername`
+  Replace `newusername` with the desired username.
+- Follow the prompts to set the user's password and provide additional information.
+
+## 2. Grant Sudo Privileges (Optional)
+
+If you need the new user to have administrative privileges, add the user to the sudo group:
+
+- Add User to the Sudo Group:
+  `sudo usermod -aG sudo newusername`
+  This command adds the user to the sudo group, which grants administrative permissions.
+
+## 3. Configure SSH Access
+
+- Switch to the New User:
+  `su - newusername`
+- Create SSH Directory and Authorized Keys:
+  `mkdir -p ~/.ssh
+  chmod 700 ~/.ssh
+  touch ~/.ssh/authorized_keys
+  chmod 600 ~/.ssh/authorized_keys`
+- Add Your Public Key to authorized_keys:
+  - Open authorized_keys in an editor:
+    `vim ~/.ssh/authorized_keys`
+  - Paste your SSH public key into the file
+
+## 4. Configure SSH Access for New User
+
+Ensure the new user can log in via SSH:
+
+- Edit the SSH Configuration File (/etc/ssh/sshd_config):
+  `sudo nano /etc/ssh/sshd_config`
+- Verify or Add the Following Settings:
+  `PermitRootLogin no
+  AllowUsers newusername`
+  `PermitRootLogin no` disables root login via SSH.
+  `AllowUsers newusername` allows the new user to log in.
+- Restart SSH Service:
+  `sudo systemctl restart ssh`
+
+## 5. Test SSH Access
+
+- Log Out from the Root User or current session.
+- Log In as the New User:
+  `ssh newusername@your_server_ip`
+- Verify that you can access the server with the new user.

setup.sh

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+#!/bin/bash
+
+# Update and install necessary packages
+sudo apt update
+sudo apt install -y curl gnupg lsb-release
+
+# Install Node.js
+curl -fsSL https://deb.nodesource.com/setup_18.x | sudo -E bash -
+sudo apt install -y nodejs
+
+# Install PM2
+sudo npm install -g pm2
+
+# Install Nginx
+sudo apt install -y nginx
+
+# Create files and directories
+sudo mkdir -p /var/www/myapp
+sudo touch /var/www/myapp/index.html
+sudo ln -s /var/www/myapp /var/www/html/myapp
+
+# Set up default Nginx config
+cat <<EOF | sudo tee /etc/nginx/sites-available/default
+server {
+    listen 80;
+    server_name myserver.com;
+
+    root /var/www/myapp;
+    index index.html;
+
+    location / {
+        try_files \$uri \$uri/ =404;
+    }
+}
+EOF
+
+# Restart Nginx to apply changes
+sudo systemctl restart nginx