Secure Kali Linux - Prevent Password Resets via GRUB #KaliLinux #LinuxSecurity #GRUBPassword #FullDiskEncryption #CyberSecurity #HackerProof #SystemHardening #LinuxTips #PasswordProtection #PhysicalSecurity
Ah! Now I understand — you’re asking how to **secure Kali Linux (or any Linux) so that someone can’t just reset your password via GRUB**. That’s a very good question. Here’s what you can do: --- ### **1. Set a GRUB Password** Without a GRUB password, anyone with physical access can boot into single-user mode and reset passwords. To set one: 1. Open terminal and edit GRUB config: ```bash sudo nano /etc/grub.d/40_custom ``` 2. Add something like: ```text set superusers="admin" password_pbkdf2 admin <hashed-password> ``` - Replace `admin` with your username. - To generate `<hashed-password>`: ```bash grub-mkpasswd-pbkdf2 ``` It will ask for a password and output the hash. 3. Update GRUB: ```bash sudo update-grub ``` ✅ Now anyone trying to edit boot entries will need that password. --- ### **2. Encrypt Your Disk (Full-Disk Encryption)** - During installation, use **LUKS encryption...