Xen to KVM Node Migration

linux / virtualization / kvm / xen / libvirt

Converting Xen 4.4 guest domains to run under KVM I've been using Xen 4.4 with the XL (XenLite) toolchain for the past 18 months or so, and it has worked very reliably during that time. However, my biggest issue with the XL toolchain is that the support from…

OSM Tile Server - Ubuntu 16.04

linux / osm / maps / mapnik / postgres / gis

This page exists to document the process I went through when setting up a tile server for OpenStreetMap data. During the process, I found the Manually building a tile server page over at switch2osm.org very helpful, and it serves as a basis for this guide. There are a few…

LVM Volume Migration via SSH

linux / scripts / xen

I've been looking for an easy way to migrate Xen domains between my two Xen hypervisors. I made an (unsuccessful) attempt at setting up an iSCSI target for shared storage between the two servers. However, they are in different datacenters, so this is less than ideal. Both servers share a…

Shrinking a Logical Volume (LVM)

linux / sysadmin

Today I will be going through the process of shrinking a logical volume to free up space on a particular volume group (vg0) in Linux's Logical Volume Manager (LVM). This same/similar process can also be used for expanding volumes, albeit much less dangerous. We will be shrinking /dev/vg0/…

Xen 4.4: Windows HVM Networking

linux / xen / networking

Taking a look at the settings and steps required to successfully set up and configure networking on a Windows 7 or Windows Server HVM domain on Xen 4.4 hypervisor running Debian Getting networking to work in Windows under Xen is not a straightforward task, it seems. Here are my…