Physical access is everything, it is almost impossible to prevent machine access/password break if somebody else got physical access to some Linux machine. But there are some steps you can make somebody work hard to access the machine physically (provided they have good knowledge of Linux).
Posts Tagged ‘GRUB’
Tags: bootloader, GRand Unified Bootloader, GRUB, grub.conf, hash, inittab, Linux, md5, md5-crypt, Password, Physical Access, single user mode, sulogin
Tags: CentOS, GRUB, Linux, LVM, mount, Password, VolGroup, Volume Group
Recently when my servers HDD dead, data center installed a new HDD keeping orginal HDD as secondary so that i can copy data back to new HDD. I tried to mount the HDD normal way, but got the error:- [root@server78 ~]# fdisk -l /dev/hda Disk /dev/hda: 160.0 GB, 160041885696 bytes 255 heads, 63 sectors/track, […]
Tags: /bin/bash, chroot, fdisk, GRUB, Linux, Live CD, mount, Password, password reset, recovery, recovery cd, reset, root, root password, ubuntu, USB Boot
The root user can change the password for any other user. However what if you forget your root password? To reset your root password (or any other account’s password for that matter), there are essentially two different situations which require varying approaches When you can use Boot Loaders (GRUB / LILO) If you have GRUB […]