i have to install Review board in ubuntu, i tried following commands but i am getting error

```
sudo apt-get install python-setuptools.

Reading package lists... Done
Building dependency tree       
Reading state information... Done
Package python-setuptools 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 python-setuptools has no installation candidate

```

Then i tried below command but for this also i am getting error message:

```
apt-get upgrade

E: Could not open lock file /var/lib/dpkg/lock - open (13 Permission denied)
E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?

```

What should i do? Please help me out!!!!!