How to auto-boot an OS X Fusion Drive using Clover

Ever since I fusioned a SSD and a HDD into an OS X Fusion Drive, Clover has been unable to auto-boot the new logical Fusion Drive volume. Clover was just sitting on its startup volume selection screen and was waiting for me to select the volume to boot. I’ve found some hints that using an …

Could not load host key: /etc/ssh/ssh_host_ed25519_key

Sep 29 19:19:41 wopr sshd[11801]: error: Could not load host key: /etc/ssh/ssh_host_ed25519_key If you’re getting this error message in the log file, you most likely have the ed25519 HostKey enabled in your sshd_config file but for some reason, no host key was generated for it. Since openssh-6.4 you can run the ssh-keygen command to generate …

Enable KVM guest console access in Ubuntu using the virsh console command

Usually, my first step after setting up a new Ubuntu guest is to enable console access in order gain shell access on the newly created VM. Step 1 – Activate the serial console in the guest nano /etc/default/grub Change the GRUB_CMDLINE_LINUX_DEFAULT to: GRUB_CMDLINE_LINUX_DEFAULT=”console=ttyS0,38400n8 console=tty0″ Don’t forget to update Grub update-grub Step 2 – Create the …

How to install CoreOS on an OVH Kimsufi low-end dedicated server

Wouldn’t it be cool to build a bare-metal high availability cluster using CoreOS and a handful of DDoS-protected, €5/month Kimsufi servers from OVH? Here’s how to install CoreOS on a Kimsufi server. At the time of this writing, OVH is not providing a CoreOS installation template for the Kimsufi servers. Since there is no virtual KVM console available for …