Create boot.sh

Author: 4Epiz

boot.sh

@@ -0,0 +1,65 @@
+#!/bin/bash
+
+# Ensure the script runs with root privileges
+if [ "$(id -u)" -ne "0" ]; then
+  echo "This script must be run as root" 1>&2
+  exit 1
+fi
+
+# Bring up the ens3 interface
+echo "Configuring network interface ens3..."
+ip link set ens3 up
+
+# Install dhclient if not already installed
+echo "Installing dhclient..."
+
+# Configure dhclient for ens3
+echo "Creating dhclient service for ens3..."
+cat <<EOF > /etc/systemd/system/dhclient.service
+[Unit]
+Description=Dynamic Host Configuration Protocol Client
+After=network.target
+
+[Service]
+Type=simple
+ExecStart=/sbin/dhclient -v ens3
+Restart=on-failure
+RestartSec=10
+
+[Install]
+WantedBy=multi-user.target
+
+EOF
+
+# Restart dhclient service
+echo "Starting dhclient for ens3..."
+dhclient ens3
+
+# Configure netplan
+echo "Configuring netplan..."
+cat <<EOF > /etc/netplan/01-netcfg.yaml
+network:
+  version: 2
+  ethernets:
+    ens3:
+      dhcp4: yes
+      nameservers:
+        addresses:
+          - 8.8.8.8
+          - 8.8.4.4
+
+EOF
+
+# Apply netplan configuration
+echo "Applying netplan configuration..."
+netplan apply
+
+# Reinstall OpenSSH server
+echo "Reinstalling OpenSSH server..."
+apt update
+apt-get install --reinstall -y openssh-server
+echo "PasswordAuthentication yes" | tee -a /etc/ssh/sshd_config && sed -i '/PasswordAuthentication no/d' /etc/ssh/sshd_config && echo "PermitRootLogin yes" | tee -a /etc/ssh/sshd_config
+systemctl restart ssh
+systemctl restart sshd
+
+echo "Setup completed."