fixes (dropbear etc)
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@ -8,5 +8,6 @@ FILESYSTEM xfs
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IMAGE /root/images/Alma-9-latest-amd64-base.tar.gz
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CRYPTPASSWORD changeme
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PART /boot/efi esp 256M
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PART /boot ext4 2G
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PART / xfs all crypt
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@ -236,7 +236,7 @@ fi
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echo -e "\n[+] Starting Hetzner installimage..."
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echo "The installer will now run. Follow any prompts if needed."
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echo ""
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if ! $INSTALLIMAGE_CMD -a -c /root/install.conf -s /root/post-install.sh; then
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if ! $INSTALLIMAGE_CMD -a -c /root/install.conf -x /root/post-install.sh; then
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echo -e "\nERROR: Installation failed!"
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exit 1
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fi
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@ -104,7 +104,8 @@ dnf config-manager --set-enabled crb
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dnf install -y \
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clevis clevis-luks clevis-tang clevis-tpm2 tpm2-tools tpm2-tss \
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git zsh tmux neovim python3-pip \
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dracut-clevis dropbear tree curl wget nano
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dracut-clevis dracut-network \
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dropbear tree curl wget nano
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# Install lsd and bat from GitHub releases (not in repos)
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echo "[+] Installing lsd and bat..."
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@ -174,10 +175,65 @@ systemctl enable clevis-luks-askpass.service
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# Configure dropbear for remote unlock
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echo "[+] Configuring dropbear for remote unlock..."
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# Install dropbear-dracut module
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cat > /usr/lib/dracut/modules.d/60dropbear/module-setup.sh << 'EOF'
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#!/bin/bash
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check() {
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require_binaries dropbear || return 1
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return 0
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}
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depends() {
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echo network
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return 0
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}
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install() {
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inst_multiple dropbear dropbearkey
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mkdir -p "$initdir/etc/dropbear"
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# Copy authorized keys
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[ -f /etc/dropbear/authorized_keys ] && inst /etc/dropbear/authorized_keys /etc/dropbear/authorized_keys
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# Generate host keys if not present
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[ -f /etc/dropbear/dropbear_rsa_host_key ] || dropbearkey -t rsa -f /etc/dropbear/dropbear_rsa_host_key
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[ -f /etc/dropbear/dropbear_ecdsa_host_key ] || dropbearkey -t ecdsa -f /etc/dropbear/dropbear_ecdsa_host_key
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[ -f /etc/dropbear/dropbear_ed25519_host_key ] || dropbearkey -t ed25519 -f /etc/dropbear/dropbear_ed25519_host_key
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inst /etc/dropbear/dropbear_*_host_key
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inst_hook cmdline 60 "$moddir/dropbear-start.sh"
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inst_simple "$moddir/unlock-luks.sh" /bin/unlock-luks
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}
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EOF
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cat > /usr/lib/dracut/modules.d/60dropbear/dropbear-start.sh << 'EOF'
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#!/bin/bash
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info "Starting dropbear SSH server..."
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[ -d /etc/dropbear ] || mkdir -p /etc/dropbear
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dropbear -E -s -j -k -p 2222 -P /var/run/dropbear.pid
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EOF
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cat > /usr/lib/dracut/modules.d/60dropbear/unlock-luks.sh << 'EOF'
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#!/bin/bash
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echo "Unlocking LUKS devices..."
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for device in /dev/mapper/luks-*; do
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if [ -b "$device" ]; then
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cryptsetup luksOpen "$device" "${device##*/}"
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fi
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done
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echo "Devices unlocked. System will continue booting..."
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EOF
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chmod +x /usr/lib/dracut/modules.d/60dropbear/*.sh
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# Copy SSH key for dropbear
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mkdir -p /etc/dropbear
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echo "${SSH_KEY}" > /etc/dropbear/authorized_keys
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chmod 600 /etc/dropbear/authorized_keys
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# Add dracut configuration for network and dropbear
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cat > /etc/dracut.conf.d/99-dropbear.conf << 'EOF'
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add_dracutmodules+=" network dropbear "
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install_items+=" /etc/dropbear/authorized_keys /etc/dropbear/dropbear_*_host_key "
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EOF
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# Regenerate initramfs
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echo "[+] Regenerating initramfs..."
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dracut -f --regenerate-all
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@ -201,6 +257,8 @@ echo "IMPORTANT: The LUKS passphrase is set in install.conf"
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echo "Save it securely for recovery purposes."
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echo ""
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echo "After reboot:"
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echo "- System will unlock automatically if TPM/Tang configured"
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echo "- Or SSH to port 22 for manual unlock"
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echo "- Then SSH as user '${ALMA_USER}'"
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echo "- SSH to port 2222 to unlock LUKS: ssh -p 2222 root@<server-ip>"
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echo "- Run 'unlock-luks' and enter the LUKS passphrase"
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echo "- Once unlocked, SSH to port 22 as user '${ALMA_USER}'"
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echo ""
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echo "If TPM/Tang is configured, automatic unlock will be attempted first"
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