Add an SSH Key to Ubiquiti EdgeRouter

Jun 18, 2019 - 1 minutes

I had a bit of trouble adding an ssh key to my Ubiquiti EdgeRouter 6P. I kept getting

Not a valid key file format (see man sshd) at /opt/vyatta/sbin/vyatta-load-user-key.pl line 96, <$in> line 1.

Turned out that the key needs to:

  • have a comment
  • not have any spaces in the comment
  • be on a line of it’s own in the imported file (e.g. do not add a newline at the end)

for loadkey to accept it.

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Including ODROID-HC2 Nodes in My Ceph Cluster

Mar 5, 2019 - 35 minutes

I built a Ceph Luminous cluster containing seven ODROID-HC2 nodes. This cluster also contains some x86 VMs running on my hypervisor.

I use this cluster mainly as a Ceph playground.

For Ceph use I definitely did not want to mess about with serial console on the ODROID-HC2 (there are 7 nodes to install, there could be more). The instructions include getting rid of the need for serial console during first boot.

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