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doc/cephadm: use ssh-copy-id

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Signed-off-by: Sage Weil <sage@redhat.com>
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Sage Weil 2020-03-12 17:18:58 -05:00
parent d11d15ece2
commit a5bd70d8b7
1 changed files with 3 additions and 3 deletions
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6
doc/cephadm/index.rst
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@ -74,7 +74,7 @@ This command does a few things:
key is written to ``ceph.client.admin.keyring`` in the local directory.
* Generates a new SSH key, and adds the public key to the local root user's
``/root/.ssh/authorized_keys`` file. A copy of the public key is written
to ``ceph.pub`` in the local directory.
to ``ceph.pub`` in the current directory.
Interacting with the cluster
============================
@ -131,9 +131,9 @@ Adding hosts to the cluster
For each new host you'd like to add to the cluster, you need to do two things:
#. Install the cluster's public SSH key in the new host's root user's
``authorized_keys`` file. For example,::
``authorized_keys`` file. This is easy with the ``ssh-copy-id`` script::
[monitor 1] # cat ceph.pub | ssh root@*newhost* tee -a /root/.ssh/authorized_keys
[monitor 1] # ssh-copy-id -f -i ceph.pub root@*newhost*
#. Tell Ceph that the new node is part of the cluster::