Axion¶

ID	002
Name	Higgs
Depends on	–
Provides	Virtualization
Twin of	Higgs
Internal IP	172.16.0.2
Open ports (TCP)	–
Open ports (UDP)	–

Hardware¶

CPU	Slot 1: 2 GHz AMD Opteron 8 core, Slot 2: unused
RAM	4 x 8 GB, 12 x unused
Harddisks	4 x 1TB

Installation¶

Operating system	Debian 6.0.5 netinstall
Raid configuration	RAID 5 (3 active, 1 spare)
Virtualization	KVM

Kernel¶

Version: 3.4.6

Enabled modules;

• …
• …
• …

Software¶

The idea if this page is to list applications that are installed on all systems. If you add or remove an application make sure that you do this also on all systems.

• vim
• sudo
• wget
• tmux
• htop

• qemu-kvm
• libvirt-bin
• virtinst
• virt-top

Configuration¶

ssh¶

Edit of /etc/ssh/sshd_config

Strict authentication settings

 RSAAuthenication no
 PasswordAuthentication no
 KerberosAuthentication no
 GSSAPIAuthentication no
 X11Forwarding no
 UsePAM no

Only allow the five clowns

 AllowUsers exception
 AllowUsers corvus
 AllowUsers vanadis
 AllowUsers apophis
 AllowUsers lukyluke

sudo¶

Use visudo to edit the sudo configuration.

We want to be asked for the password every time we use sudo.

Defaults        env_reset,timestamp_timeout=0

Virtualization¶

• http://wiki.kartbuilding.net/index.php/KVM_Setup_on_Debian_Squeeze (Installed packages, basic command usage)
• http://www.palegray.net/tutorials/debian-6-kvm-howto/deploy-kvm-vm (Creating a vm using virt-manager on a management system)
• http://www.linux-kvm.org/ (General information)