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).
Archive for October, 2012
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: CentOS, Config, Firewall, Linux, Networking, Setup
I usually use “setup” to do the firewall setup for permissive or not and setting of SELINUX, etc…. But on a minimal install you don’t have access to setup command, which is my favorite [root@tel ~]# setup -bash: setup: command not found So how to install it in minimal install ? yum –y install […]