1、sudo /etc/init.d/couchbase-server stop
or Linux 2.0 this is /opt/couchbase/var/lib/couchbase/ip. This file contains the identified IP address of the node once it is part of a cluster. Open the file, and add a single line containing the hostname, as configured in the previous step.
For Linux 2.0.1. You update the ip_start file with the hostname. The file is at this location: /opt/couchbase/var/lib/couchbase/ip_start.
Delete the files under:
/opt/couchbase/var/lib/couchbase/data/*
/opt/couchbase/var/lib/couchbase/mnesia/*
/opt/couchbase/var/lib/couchbase/config/config.dat
Execute:
sudo /etc/init.d/couchbase-server start
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If can't not, maybe reinstall. just delete
/opt/couchbase/var/lib/couchbase/config/config.dat
then server stop, restart. then can resetup.