configurar servidor

gerardo@edubuntu:~$ sudo
usage: sudo [-D level] -h | -K | -k | -V
usage: sudo -v [-AknS] [-D level] [-g groupname|#gid] [-p prompt] [-u user
name|#uid]
usage: sudo -l[l] [-AknS] [-D level] [-g groupname|#gid] [-p prompt] [-U user
name] [-u user name|#uid] [-g groupname|#gid] [command]
usage: sudo [-AbEHknPS] [-C fd] [-D level] [-g groupname|#gid] [-p prompt][-u
user name|#uid] [-g groupname|#gid] [VAR=value] [-i|-s] []
usage: sudo -e [-AknS] [-C fd] [-D level] [-g groupname|#gid] [-p prompt] [-u
user name|#uid] file ...
gerardo@edubuntu:~$ su
Contraseña:
su: Fallo de autenticación
gerardo@edubuntu:~$ su
Contraseña:
su: Fallo de autenticación
gerardo@edubuntu:~$ su
Contraseña:
su: Fallo de autenticacióngerardo@edubuntu:~$ su
Contraseña:
su: Fallo de autenticación
gerardo@edubuntu:~$ su
Contraseña:
su: Fallo de autenticación
gerardo@edubuntu:~$ su
Contraseña:
su: Fallo de autenticación
gerardo@edubuntu:~$ su
Contraseña:
su: Fallo de autenticación
gerardo@edubuntu:~$ su
Contraseña:
su: Fallo de autenticación
gerardo@edubuntu:~$ su
Contraseña:
su: Fallo deautenticación
gerardo@edubuntu:~$ gert63
gert63: no se encontró la orden
gerardo@edubuntu:~$ sudo
usage: sudo [-D level] -h | -K | -k | -V
usage: sudo -v [-AknS] [-D level] [-g groupname|#gid] [-p prompt] [-u user
name|#uid]
usage: sudo -l[l] [-AknS] [-D level] [-g groupname|#gid] [-p prompt] [-U user
name] [-u user name|#uid] [-g groupname|#gid] [command]
usage:sudo [-AbEHknPS] [-C fd] [-D level] [-g groupname|#gid] [-p prompt] [-u
user name|#uid] [-g groupname|#gid] [VAR=value] [-i|-s] []
usage: sudo -e [-AknS] [-C fd] [-D level] [-g groupname|#gid] [-p prompt] [-u
user name|#uid] file ...
gerardo@edubuntu:~$ sudo su
[sudo] password for gerardo:
root@edubuntu:/home/gerardo# exit
gerardo@edubuntu:~$ ssh 10.10.10.52The authenticity of host '10.10.10.52 (10.10.10.52)' can't be established.
ECDSA key fingerprint is 4d:86:b7:1b:a3:5c:39:97:59:19:f4:0a:2d:91:24:99.
Are you sure you want to continue connecting (yes/no)? y
Please type 'yes' or 'no': yes
Warning: Permanently added '10.10.10.52' (ECDSA) to the list of known hosts.
gerardo@10.10.10.52's password:
Welcome to Ubuntu 12.04 LTS (GNU/Linux3.2.0-23-generic x86_64)

* Documentation: https://help.ubuntu.com/

System information as of Thu Nov 22 22:02:15 CST 2012

System load: 0.0 Processes: 72
Usage of /: 12.1% of 9.28GB Users logged in: 1
Memory usage: 1% IP address for eth0: 10.10.10.52
Swap usage: 0%

Graph this data and manage this system athttps://landscape.canonical.com/

100 packages can be updated.
47 updates are security updates.

Last login: Thu Nov 22 21:56:13 2012
gerardo@padrote:~$ sudo apt-get install
[sudo] password for gerardo:
gerardo@padrote:~$ sudo apt-get install kvm qemu-kvm libvirt bridge-utils
[sudo] password for gerardo:
Leyendo lista de paquetes... Hecho
Creando árbol de dependencias
Leyendo lainformación de estado... Hecho
E: No se ha podido localizar el paquete libvirt
gerardo@padrote:~$ sudo aptitude install kvm qemu-kvm libvirt bridge-utils
No se pudo encontrar el paquete «libvirt». Sin embargo,
«libvirt» aparece en el nombre de los siguientes paquetes:
libvirt-ocaml-dev libvirt-ocaml-dev:i386 libvirt0-dbg libvirt0-dbg:i386
libvirtodbc0 libvirtodbc0:i386libvirt-ocaml-dev-glxb9:i386
munin-libvirt-plugins libvirt-glib-1.0-0-dbg libvirt-glib-1.0-0-dbg:i386
libvirt-glib-1.0-dev libvirt-glib-1.0-dev:i386 libvirt-ruby1.8
libvirt-ruby1.8:i386 libvirt-ocaml-dev-x3b32 libvirt-glib-1.0-0
libvirt-glib-1.0-0:i386 libvirt0 libvirt0:i386 libvirt-ocaml-glxb9:i386
python2.7-libvirt python2.7-libvirt:i386 libvirt-ruby
gir1.2-libvirt-glib-1.0...