I'm extremely new to linux and wanted to run a server but the program want to run requires linux.

Im trying to run this command via ssh to my server but receive this every time.

sudo apt-get install sun-java6-bin sun-java6-jdk sun-java6-jre

But I reccieve this.

user@serverubuntu:~$ sudo apt-get install sun-java6-bin sun-java6-jdk sun-java6-jre

[sudo] password for user: 

Reading package lists... Done

Building dependency tree       

Reading state information... Done

Package sun-java6-jre is not available, but is referred to by another package.

This may mean that the package is missing, has been obsoleted, or

is only available from another source



Package sun-java6-jdk is not available, but is referred to by another package.

This may mean that the package is missing, has been obsoleted, or

is only available from another source



Package sun-java6-bin is not available, but is referred to by another package.

This may mean that the package is missing, has been obsoleted, or

is only available from another source



E: Package 'sun-java6-bin' has no installation candidate

E: Package 'sun-java6-jdk' has no installation candidate

E: Package 'sun-java6-jre' has no installation candidate

user@serverubuntu:~$ sudo apt-get install sun-java7-bin sun-java7-jdk sun-java7-jre

Reading package lists... Done

Building dependency tree       

Reading state information... Done

E: Unable to locate package sun-java7-bin

E: Unable to locate package sun-java7-jdk

E: Unable to locate package sun-java7-jre

user@serverubuntu:~$

Sorry Im extremely new to linux and dont know how to do much.

Thanks :)