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openstack
OpenStack configure VM migrate nova SSH
Just a reminder for me :D.
Stolen from https://twiki.cern.ch/twiki/bin/view/Sandbox/GettingStartedwithOpenStack
$ usermod -s /bin/bash nova
$ su - nova
nova@compute01:~$ mkdir -p -m 700 .ssh
nova@compute01:~$ cat > .ssh/config <<EOF
Host *
StrictHostKeyChecking no
UserKnownHostsFile=/dev/null
EOF
nova@compute01:~$ ssh-keygen -f id_rsa -b 1024 -P ""
nova@compute01:~$ scp /var/lib/nova/.ssh/id_rsa.pub root@compute01:/var/lib/nova/.ssh/authorized_keys
nova@compute01:~$ scp /var/lib/nova/.ssh/id_rsa.pub root@compute02:/var/lib/nova/.ssh/authorized_keys
nova@compute01:~$ scp /var/lib/nova/.ssh/* root@compute02:/var/lib/nova/.ssh/
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Repeat the process if needed for more compute nodes.
Go back as root:
$ sudo chown -R nova:nova /var/lib/nova/
$ sudo chmod 700 /var/lib/nova/.ssh
$ sudo chmod 600 /var/lib/nova/.ssh/authorized_keys
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Test:
nova@compute01:~$ ssh nova@compute02 ls
buckets
CA
images
instances
keys
networks
nova.sqlite
tmp
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