matt@Traveller:~
2027  ~ $>rm -rf ~/.juju

matt@Traveller:~
2028  ~ $>juju init
A boilerplate environment configuration file has been written to /Users/matt/.juju/environments.yaml.
Edit the file to configure your juju environment and run bootstrap.

matt@Traveller:~
2029  ~ $>sed -i -e 's/# region: us-east-1/region eu-west-1/g' ~/.juju/environments.yaml

matt@Traveller:~
2030  ~ $>rm -rf ~/.juju

matt@Traveller:~
2031  ~ $>juju init
A boilerplate environment configuration file has been written to /Users/matt/.juju/environments.yaml.
Edit the file to configure your juju environment and run bootstrap.

matt@Traveller:~
2032  ~ $>sed -i -e 's/# region: us-east-1/region: eu-west-1/g' ~/.juju/environments.yaml

matt@Traveller:~
2033  ~ $>juju bootstrap -v
verbose is deprecated with the current meaning, use show-log
2013-10-10 09:34:22 INFO juju.provider.ec2 ec2.go:179 opening environment "amazon"
2013-10-10 09:34:23 INFO juju.environs.tools tools.go:85 reading tools with major.minor version 1.17
2013-10-10 09:34:23 INFO juju.environs.tools tools.go:96 filtering tools by series: precise
2013-10-10 09:34:24 WARNING juju.cmd.juju bootstrap.go:204 no tools available, attempting to retrieve from https://juju-dist.s3.amazonaws.com/
2013-10-10 09:34:24 INFO juju.environs.sync sync.go:66 listing available tools
listing available tools
2013-10-10 09:34:25 INFO juju.cmd.juju bootstrap.go:211 no tools found, so attempting to build and upload new tools
2013-10-10 09:34:25 INFO juju.environs.tools build.go:162 found existing jujud
2013-10-10 09:34:25 INFO juju.environs.tools build.go:172 target: /var/folders/cj/v2wvj4js51s_hmcck_plxbyc0000gn/T/juju-tools013666048/jujud
2013-10-10 09:34:28 INFO juju.environs.sync sync.go:225 built 1.17.0.1-unknown-amd64 (4547kB)
built 1.17.0.1-unknown-amd64 (4547kB)

Juju cannot bootstrap because no tools are available for your environment.
An attempt was made to build and upload appropriate tools but this was unsuccessful.

2013-10-10 09:34:28 ERROR juju supercommand.go:282 invalid series "unknown"