# Installing ppas

Before you can install your first ppa, you have to install python-software-properties so you can get add-apt-repository

```
apt-get install python-software-properties
```

Now you can try to add a ppa repository, e.g.

```
add-apt-repository ppa:gstreamer-developers/ppa
apt-get update
apt-get install gstreamer1.0*
```

And you may find the following very handy

```
apt-file search <something in some package>
```

as it will list the packages which may provide the operand.

