Linux

Serial console support in Grub2

This is another one of those "just so I don't forget" posts. I'm working towards migrating from IPA in a KVM-based virtual machine running CentOS 6 to one running CentOS 7 and the way of making serial consoles work in 7 is different than it was in 6 because CentOS 7 (and thus RHEL7) use Grub2.

Instead of editing /boot/grub.cfg, you need to edit /etc/defaults/grub and add:

GRUB_TERMINAL="serial" GRUB_SERIAL_COMMAND="serial --unit=0 --speed=115200"

The above will enable Grub output to ...

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Linux

Converting a VMware Fusion virtual machine to KVM

I've been running an instance of my Nagios XI monitor in a VMware Fusion virtual machine on my (aging) Mac Pro. The other day I found a blog post on How I converted a VMware VM to KVM and since my new LAN server is a beefy 8-core AMD FX-8120 with 32GB RAM (as opposed to the 2 x 2.66GHz dual-core Xeon with 16GB RAM that is my 5(?) year old Mac Pro), ...

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Linux

How to use Virtual Machine Manager on Fedora 11

This week's TechMail is How to use Virtual Machine Manager on Fedora 11 which discusses my first foray into using Virtual Machine Manager and KVM. It's no surprise that I'm a big virtualization fan, but this is the first time I've used something baked directly into the Linux kernel. I've played with qemu, vmware workstation/server/fusion, and openvz, but never KVM. It's definitely different, but quite good. I've got a test ...

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