Category Archives: Virtual Machines
Apache Guacamole terminal server – self hosted
Apache Guacamole is a terminal server you can run in-house to provide access to pretty much any server you are running using nothing but a web-browser. It can be installed onto a physical host or VM, or run as docker … Continue reading
Installing OpenStack Ussuri in a multicompute node configuration in your home lab
This post covers installing from the RDO project documentation that can be found at https://www.rdoproject.org, it uses the ‘packstack’ tool covered at https://www.rdoproject.org/install/packstack with the main changes in this post being defining additional compute nodes plus installing heat support as … Continue reading
Why do people use VMWare ?. It is a pain.
I actually purchased a license for VMWare Workstation when I was on Fedora21 as I needed it for a training course. Worked fine. Looks like the next time I tried to use I was on Fedora23 as I managed to … Continue reading
qemu qcow2 converting to old format
This post is mainly to remind me how to to it without having to to get the qemu-img help display up all the time. In one of the later releases of Fedora (24 I think) the qcow2 image format changed. … Continue reading
OpenStack woes continue
Still playing with OpenStack; Matika currently. After lots of swearing, and reading, a second compute node now appears to be running correctly, using vxlan and openvswitch as the transport layer between the two. At least the hypervisor and compute node … Continue reading
Still trying to get the latest RDO openstack working
Actually, it is probably not the latest release now, I have been working on this for a while. This post will be updated/deleted/re-added a lot as I work through it. Maybe a final post on what I did wrong for … Continue reading
Installing the DevStack release of OpenStack on F21
Losely based upon the single machine setup page at http://docs.openstack.org/developer/devstack/guides/single-machine.html. This is the additional steps you really should do if you want to use it. It assumes you already have a host system configured for running VMs, with a bridged … Continue reading
Compressing qcow2 images – important tip
This probably applies to normal ext4 filesystems as well as LVM ones. This post is because I deleted 60Gb of data from a qcow2 disk, and when I did a compress only got the disk image to shrink about 5Gb. … Continue reading
DevStack again, Hmmm, keep off real metal
I wanted to play some more with openstack. My existing environment was an Ubuntu VM running DevStack, so instances started under OpenStack were effectively VMs running inside VMs. When an OpemStack VM started it resoponded OK but it could take … Continue reading
Openshift looks interesting
Looking at PaaS. Passed on CloudFoundry as I do not want to install Ruby which seems to be needed to use that. So I am looking at OpenShift Origin instead. That works better for me as it’s Redhat oriented and … Continue reading