elohim@Elohim:~$ sudo apt-get install xmame-x xmame-sdl
[sudo] password for elohim: 
E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?
elohim@Elohim:~$ sudo rm /var/lib/dpkg/lock
elohim@Elohim:~$ sudo apt-get install xmame-x xmame-sdl
E: dpkg was interrupted, you must manually run 'sudo dpkg --configure -a' to correct the problem. 
elohim@Elohim:~$ sudo dpkg --configure -a
Processing triggers for man-db ...
elohim@Elohim:~$ sudo apt-get install xmame-x xmame-sdl
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages were automatically installed and are no longer required:
  gir1.0-gdkpixbuf-2.0 libseed0 libvamp-hostsdk3 epiphany-browser-data
  gir1.0-pango-1.0 libflac++6 gir1.0-gtk-2.0 gir1.0-gstreamer-0.10
  gir1.0-clutter-1.0 gir1.0-atk-1.0 xul-ext-adblock-plus gnome-js-common
  mono-csharp-shell gir1.0-json-glib-1.0 gir1.0-freedesktop
  libmono-management2.0-cil mono-gmcs
Use 'apt-get autoremove' to remove them.
The following extra packages will be installed:
  login xmame-common
Suggested packages:
  xmame-tools
The following NEW packages will be installed:
  xmame-common xmame-sdl xmame-x
The following packages will be upgraded:
  login
1 upgraded, 3 newly installed, 0 to remove and 1445 not upgraded.
1 not fully installed or removed.
W: Duplicate sources.list entry http://archive.canonical.com/ubuntu/ natty/partner i386 Packages (/var/lib/apt/lists/archive.canonical.com_ubuntu_dists_natty_partner_binary-i386_Packages)
W: Duplicate sources.list entry http://security.ubuntu.com/ubuntu/ natty-security/universe i386 Packages (/var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_natty-security_universe_binary-i386_Packages)
W: You may want to run apt-get update to correct these problems
E: Could not get lock /var/cache/apt/archives/lock - open (11: Resource temporarily unavailable)
E: Unable to lock directory /var/cache/apt/archives/
elohim@Elohim:~$ sudo rm /var/cache/apt/archives/lock
elohim@Elohim:~$ sudo apt-get autoremove
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following extra packages will be installed:
  login
The following packages will be REMOVED:
  epiphany-browser-data gir1.0-atk-1.0 gir1.0-clutter-1.0 gir1.0-freedesktop
  gir1.0-gdkpixbuf-2.0 gir1.0-gstreamer-0.10 gir1.0-gtk-2.0
  gir1.0-json-glib-1.0 gir1.0-pango-1.0 gnome-js-common libflac++6
  libmono-management2.0-cil libseed0 libvamp-hostsdk3 mono-csharp-shell
  mono-gmcs xul-ext-adblock-plus
The following packages will be upgraded:
  login
1 upgraded, 0 newly installed, 17 to remove and 1439 not upgraded.
1 not fully installed or removed.
Need to get 0B/279kB of archives.
After this operation, 22.9MB disk space will be freed.
Do you want to continue [Y/n]? y
(Reading database ... 254509 files and directories currently installed.)
Preparing to replace login 1:4.1.4.2-1ubuntu3 (using .../login_1%3a4.1.4.2+svn3283-3ubuntu1_i386.deb) ...
Unpacking replacement login ...
 REMOVED:
  epiphany-browser-data gir1.0-atk-1.0 gir1.0-clutter-1.0 gir1.0-freedesktop
  gir1.0-gdkpixbuf-2.0 gir1.0-gstreamer-0.10 gir1.0-gtk-2.0
  gir1.0-json-glib-1.0 gir1.0-pango-1.0 gnome-js-common libflac++6
  libmono-management2.0-cil libseed0 libvamp-hostsdk3 mono-csharp-shell
  mono-gmcs xul-ext-adblock-plus
The following packages will be upgraded:
  login
1 upgraded, 0 newly installed, 17 to remove and 1439 not upgraded.
1 not fully installed or removed.
Need to get 0B/279kB of archives.
After this operation, 22.9MB disk space will be freed.
Do you want to continue [Y/n]? y
(Reading database ... 254509 files and directories currently installed.)
Preparing to replace login 1:4.1.4.2-1ubuntu3 (using .../login_1%3a4.1.4.2+svn3283-3ubuntu1_i386.deb) ...
Unpacking replacement login ...