@@ -12,6 +12,21 @@ photon/

 ## How to build the ISO?

+Pre-requisites :

+

+ * Build O/S : Ubuntu 14.04 (or later) 64 bit

+ * Packages: bison, gawk, g++, createrepo, python-aptdaemon, genisoimage, texinfo, python-requests

+```

+sudo apt-get -y install bison gawk g++ createrepo python-aptdaemon genisoimage texinfo python-requests

+```

+

+Make sure `/bin/sh` is a symbolic link pointing to `/bin/bash`

+

+If `/bin/sh` is pointing `/bin/dash`, execute the following:

+```

+sudo ln -sf /bin/bash /bin/sh

+```

+

 Assuming you checked out the workspace under `$HOME/workspaces/photon`.

 ```

 cd $HOME/workspaces/photon

@@ -43,34 +58,6 @@ photon-sources/

 ├──src2.tar.gz

 └──...

 ```

-## How to build the toolchain?

-

-1. Check toolchain pre-requisites

-```

-$HOME/workspaces/photon/support/toolchain/version-check.sh

-```

-2. Make toolchain

-```

-$HOME/workspaces/photon

-sudo make toolchain

-```

-

-Pre-requisites :

-

- * Build O/S : Ubuntu 14.04 (or later) 64 bit

- * Packages: bison, gawk, g++, createrepo, python-aptdaemon, genisoimage, texinfo, python-requests

-```

-sudo apt-get -y install bison gawk g++ createrepo python-aptdaemon genisoimage texinfo python-requests

-```

-

-### Settings:

-

-Make sure `/bin/sh` is a symbolic link pointing to `/bin/bash`

-

-If `/bin/sh` is pointing `/bin/dash`, execute the following:

-```

-sudo ln -sf /bin/bash /bin/sh

-```

 ## Where are the build logs?

 ```