Securing GRUB Essentials

What is GRUB? GRUB stands for GRand Unifier Bootloader, to get it on your system you must install package grub or grub2, GRUB is the replacement for largely used but unscalable LILO (LInux LOader) and alternative for SILO (Solaris Improved Bootloader). GRUB Boot Menu GRUB Loading and Booting Sequence The BIOS searches for a start… Continue reading “Securing GRUB Essentials”

MD5, SHA-1 hash sums in Java 2

Download /** * A class for calculating hash sum in files or strings * using all the hash algorithms supported by Java * * @author Olaf Reitmaier * @version December, 2005 */ import; import; import; import; import; import; public class HashSum{ public static final int BUFFER_SIZE = 1024;… Continue reading “MD5, SHA-1 hash sums in Java 2”