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If I rename my computer by editing the /etc/hostname file as shown here, will I get some synchronization problems with Ubuntu One, which knows my machine as a different name ?

Can I have any other problem I don't think of yet ?

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up vote 7 down vote accepted

No, the only problem will be that it will be still listed with the old name. If that inconsistency bothers you you can delete the token and re-sign in to the service.

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Be carefull when changing the hostname, From the IRC #ubuntu channel factoid i quote:

Use hostname to set the hostname, or to do it permanently: edit /etc/hosts to include BOTH the old and new hostname and then change /etc/hostname to the new one.

WARNING! Make sure that your current hostname and /etc/hosts match, otherwise sudo may not work properly.

I have never had an issue with ubuntu one after changeing hostnames.

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