KVM : how to connect BackTrack Linux 5 VM via virsh console

host OS : ubuntu 11.04

BT5 has been installed as VM on ubuntu 11.04 KVM

1. make ttyS0.conf file

root@bt:~# cat /etc/init/ttyS0.conf start on stopped rc RUNLEVEL=[2345] stop on runlevel [!2345]

root@bt:~# start ttyS0

2. edit grub.cfg

By default , grub.cfg is read-only , so give grub.cfg writable permissions.

root@bt:/boot/grub# ls -lh grub.cfg -r--r--r-- 1 root root 3.4K 2011-05-20 17:18 grub.cfg root@bt:/boot/grub# chmod 622 /boot/grub/grub.cfg root@bt:/boot/grub# ls -lh grub.cfg -rw--w--w- 1 root root 3.4K 2011-05-20 17:18 grub.cfg

edit grub.cfg ( add red line )

root@bt:/boot/grub# egrep console grub.cfg        linux   /boot/vmlinuz-2.6.38 root=UUID=2ecef416-17e4-453d-a69b-7db7e3bcb5e1 ro   text splash nomodeset vga=791 console=ttyS0,115200n8

Reboot BT. you will be able to connect BT w/ virsh console like this.

virsh # list --all Id 名前               状態 ----------------------------------  1 BT5                  実行中  - SL6-vm1              シャットオフ  - SL6-vm2              シャットオフ virsh # console 1 Connected to domain BT5 エスケープ文字は  ^] です BackTrack 5 - Code Name Revolution 32 bitbt ttyS0 bt login: root Password: Last login: Mon May 23 17:38:05 JST 2011 on tty1 Linux bt 2.6.38 #1 SMP Thu Mar 17 20:52:18 EDT 2011 i686 GNU/Linux ################################################################### [*] Welcome to the BackTrack 5 Distribution, Codename "Revolution" [*] Official BackTrack Home Page: http://www.backtrack-linux.org [*] Official BackTrack Training : http://www.offensive-security.com ################################################################### [*] To start a graphical interface, type "startx". [*] The default root password is "toor". root@bt:~#