yaisme zrewidował ten Gist . Przejdź do rewizji
1 file changed, 43 insertions
addme.sh(stworzono plik)
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| 1 | + | #!/bin/bash | |
| 2 | + | ||
| 3 | + | USERNAME="yaisme" | |
| 4 | + | PUBKEY="ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBbRbeHr4ikRGKRKYUpO1Dvn408aXrtsdVrtgasNQZkq yaisme-ed25519" | |
| 5 | + | SUDOERS_LINE="$USERNAME ALL=(ALL) NOPASSWD:ALL" | |
| 6 | + | ||
| 7 | + | # Prompt for password | |
| 8 | + | read -s -p "Enter password for user '$USERNAME': " PASSWORD | |
| 9 | + | echo | |
| 10 | + | ||
| 11 | + | # 1. Check if the user exists | |
| 12 | + | if id "$USERNAME" &>/dev/null; then | |
| 13 | + | echo "User '$USERNAME' already exists." | |
| 14 | + | else | |
| 15 | + | echo "Creating user '$USERNAME'..." | |
| 16 | + | useradd -m -s /bin/bash "$USERNAME" | |
| 17 | + | echo "$USERNAME:$PASSWORD" | chpasswd | |
| 18 | + | fi | |
| 19 | + | ||
| 20 | + | # 1.2 Add SSH public key | |
| 21 | + | SSH_DIR="/home/$USERNAME/.ssh" | |
| 22 | + | AUTHORIZED_KEYS="$SSH_DIR/authorized_keys" | |
| 23 | + | ||
| 24 | + | mkdir -p "$SSH_DIR" | |
| 25 | + | echo "$PUBKEY" > "$AUTHORIZED_KEYS" | |
| 26 | + | chown -R "$USERNAME:$USERNAME" "$SSH_DIR" | |
| 27 | + | chmod 700 "$SSH_DIR" | |
| 28 | + | chmod 600 "$AUTHORIZED_KEYS" | |
| 29 | + | echo "SSH key added for user '$USERNAME'." | |
| 30 | + | ||
| 31 | + | # 2. Check and update sudoers | |
| 32 | + | SUDOERS_FILE="/etc/sudoers" | |
| 33 | + | if sudo grep -q "^$USERNAME " "$SUDOERS_FILE"; then | |
| 34 | + | # Replace existing line | |
| 35 | + | echo "Updating sudoers entry for '$USERNAME'..." | |
| 36 | + | sudo sed -i.bak "/^$USERNAME /c\\$SUDOERS_LINE" "$SUDOERS_FILE" | |
| 37 | + | else | |
| 38 | + | # Append new line | |
| 39 | + | echo "Adding sudoers entry for '$USERNAME'..." | |
| 40 | + | echo "$SUDOERS_LINE" | sudo tee -a "$SUDOERS_FILE" > /dev/null | |
| 41 | + | fi | |
| 42 | + | ||
| 43 | + | echo "Done." | |
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