[Pydev-users] [Users] installation failure in Ubuntu

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The following forum message was posted by glen02 at http://sourceforge.net/projects/pydev/forums/forum/293649/topic/3812757:

Hello, 
I\'m trying to install the Pydev in my ubuntu and it gives me error messages that I can\'t quite understand (I\'m a newbie for the linux as well). Below is the error message. Any help would be appreciated. 
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ysl@ubuntu:~$ sudo apt-get install eclipse sun-java 6-jdk
[sudo] password for ysl: 
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?