accidentally deleted /var/lib/dpkg

this problem I got was tried to installed a packet and the my ubuntu system shows following error message :

E: Could not get lock /var/lib/dpkg/lock - open (11 Resource temporarily unavailable)
E: Unable to lock the administration directory (/var/lib/dpkg/)

yeah that pretty easy exactly to fix that just run on terminal like these :

 
sudo fuser -cuk /var/lib/dpkg/lock; sudo rm -f /var/lib/dpkg/lock

sudo dpkg --configure -a

sudo aptitude update

or another option that just reboot/restart your computer :D but it doesn't have technical experience IMO.

that was I should run sudo rm -f /var/lib/dpkg/lock instead of sudo rm -f /var/lib/dpkg :(

then that action show following error :

E: Could not open lock file /var/lib/dpkg/lock - open (2 No such file or directory)
E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?

so, how solution for that trouble, here some of step to resolve that :

mkdir -p /var/lib/dpkg/  /var/lib/dpkg/alternatives/  /var/lib/dpkg/info/  /var/lib/dpkg/methods/  /var/lib/dpkg/parts/  /var/lib/dpkg/triggers/  /var/lib/dpkg/updates/

get a file "dpkg.status.0" that our automatic backup it.

sudo cp /var/backups/dpkg.status.0 /var/lib/dpkg/

then changing the name to status

sudo mv dpkg.status.0 status

create a file which name available

touch /var/lib/dpkg/available

the last do update.

sudo aptitude update

afterwards you try to installing a packet that you want, I wish that work fine and well.

good luck then ;)

reference :

http://ubuntuforums.org/showthread.php?t=1260872&page=2

http://ubuntuforums.org/showthread.php?t=2009399

http://ubuntuforums.org/showthread.php?t=1449160