Ubuntu 8.10 error message

please look at below error.

HY11-VR356-6_4.6.15

paul@paul-desktop:~$ sudo apt-get install gawk
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?
paul@paul-desktop:~$ sudo apt-get install gawk
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?
paul@paul-desktop:~$ sudo apt-get install python2.4
E: Could not get lock /var/lib/dpkg/lock - open (11 Resource temporarily unavailable)

다른 패키지 매니저가 해당 디렉토리를 사용중에 있는 것으로 보입니다.

[code:34yaoyqm]
$ lsof | grep "/var/lib/dpkg/"
[/code:34yaoyqm]

하셔서 참조하는 프로세스를 찾아서 종료하신 후에 시도해 보시기 바랍니다.