E: Unable to locate package subversion

[IT Researcher]

hi i m new to ubuntu and have installed ubuntu 13.04
i'm now trying to install svn
i tried with the codes

sudo apt-get install subversion

but resulted in:

Building dependency tree
Reading state information... Done
E: Unable to locate package subversion
this is the same result for oyher packages....why is this error there and how do i overcome this

[Elfy]

Try running

sudo apt-get update

first.

If you still get issues, check the software sources are enabled correctly.

https://help.ubuntu.com/community/Repositories/Ubuntu

subversion should be in main.

Thread moved to General Help.

[IT Researcher]

Try running

sudo apt-get update

first.

If you still get issues, check the software sources are enabled correctly.

https://help.ubuntu.com/community/Repositories/Ubuntu

subversion should be in main.

Thread moved to General Help.

tried the code .i just got


Reading package lists... Done
even tried


sudo apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.


any suggestion?

[Elfy]

apt-cache policy subversion

[IT Researcher]

Try running

sudo apt-get update

first.

If you still get issues, check the software sources are enabled correctly.

https://help.ubuntu.com/community/Repositories/Ubuntu

subversion should be in main.

Thread moved to General Help.

thanks a lot for the link it worked fo me

i now needed to run the code

source LinuxX86-64Env.Set.sh


but it says bash: LinuxX86-64Env.Set.sh: No such file or directory


how can i solve this ...any suggestion
the code is used for Including the configured environment(i configured it just prior to this step)