Tag: environment

  • U-Boot: protect sensitive environment variables

    U-Boot: protect sensitive environment variables

    This is a follow-up from our Accessing the U-Boot environment from a C program blog post. 🌳Need to protect the environment When you’re trying to harden an embedded Linux device to make it more resistant to attacks, one key part to secure is the bootloader, because that’s the part that boots the operating system. Even…

  • Oh My Zsh – Improve your shell experience

    Oh My Zsh – Improve your shell experience

    Introduction Have you already seen people making presentations which a fancy shell prompt like the above? This is particularly useful in presentations because viewers can clearly see in which directory the commands are being run. The second great feature is for developers. When the current directory is in a Git repository, the prompt shows the…