59 lines
1.5 KiB
Bash
59 lines
1.5 KiB
Bash
#!/bin/bash
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# This script creates a new user, generates a random password for them,
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# and adds them to the sudo group.
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# IMPORTANT: This script must be run with sudo privileges.
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# --- Configuration ---
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USERNAME="n8nuser"
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# ---
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# 1. Check for sudo/root privileges
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if [ "$(id -u)" -ne 0 ]; then
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echo "This script must be run as root or with sudo." >&2
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exit 1
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fi
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# 2. Check if user already exists
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if id -u "$USERNAME" >/dev/null 2>&1; then
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echo "User '$USERNAME' already exists. Exiting."
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exit 0
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fi
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# 3. Create the user
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echo "Creating user '$USERNAME'..."
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useradd -m -s /bin/bash "$USERNAME"
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if [ $? -ne 0 ]; then
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echo "Failed to create user '$USERNAME'. Exiting." >&2
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exit 1
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fi
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# 4. Generate and set password
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echo "Generating password for '$USERNAME'..."
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PASSWORD=$(head /dev/urandom | tr -dc A-Za-z0-9_.- | head -c 24)
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echo "$USERNAME:$PASSWORD" | chpasswd
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if [ $? -ne 0 ]; then
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echo "Failed to set password for '$USERNAME'." >&2
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# Clean up by deleting the user if password set fails
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userdel -r "$USERNAME"
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exit 1
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fi
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# 5. Add user to the sudo group
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echo "Adding user '$USERNAME' to the 'sudo' group..."
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usermod -aG sudo "$USERNAME"
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if [ $? -ne 0 ]; then
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echo "Failed to add user to the sudo group." >&2
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exit 1
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fi
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# 6. Display the result
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echo ""
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echo "-----------------------------------------------------"
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echo "User '$USERNAME' created successfully."
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echo "Generated Password: $PASSWORD"
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echo "Please save this password in a secure location."
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echo "-----------------------------------------------------"
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exit 0
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