Author Archives: mark

About mark

At work, been working on Tandems for around 30yrs (programming + sysadmin), plus AIX and Solaris sysadmin also thrown in during the last 20yrs; also about 5yrs on MVS (mainly operations and automation but also smp/e work). At home I have been using linux for decades. Programming background is commercially in TAL/COBOL/SCOBOL/C(Tandem); 370 assembler(MVS); C, perl and shell scripting in *nix; and Microsoft Macro Assembler(windows).

Openstack:Upgrade from Mitaka to Newton was a pain, but completed

The expected issues with a systemwide update where rabbitmq-server and all the erlang packages have to be removed before the update and re-installed afterward; but that was the only real issue (if you exclude the minor detail that config files … Continue reading

Posted in OpenStack | Comments Off on Openstack:Upgrade from Mitaka to Newton was a pain, but completed

Accessing openstack instances, proxy gateways and proxy clients

While I treat my home lab openstack instances as proper cloud instances, specifically they are supposed to be thrown up and torn down not exist for a long time, I don’t like assigning more that one floating ip per tenant-network … Continue reading

Posted in OpenStack | Comments Off on Accessing openstack instances, proxy gateways and proxy clients

OpenStack Matika DNS resolution, or lack of

Unfortunately even at the Matika release neutron networking is unable to use DNS lookup by instance name yet. The issue is that DNS entries (if DNS is configured to be used) are not created for the instance hostname, but instead … Continue reading

Posted in OpenStack | Comments Off on OpenStack Matika DNS resolution, or lack of

OpenStack RDO using packstack again, Matika release

Apologies in advance for the formatting. The WP template I am using at the moment does not handle PRE correctly and wraps it around rather than letting it scroll. But onward. I finally got my second compute node working correctly … Continue reading

Posted in OpenStack | Comments Off on OpenStack RDO using packstack again, Matika release

OpenStack – Playing with heat patterns

My attempts to figure out OpenStack are happily producing more headaches for me. This is still on tha Matika release. I have temporarily suspended my attempts to get migration between compute nodes working as I have been sidetracked by heat … Continue reading

Posted in Home Life | Comments Off on OpenStack – Playing with heat patterns

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

Posted in Virtual Machines | Comments Off on qemu qcow2 converting to old format

F24 to F25 upgrade notes

Fedora 25 released, most things seem to work apart from… My target environment was my main test machine, intel x64 with 8 cores and 32Gb of memory and LUKS encrypted disks; and a lot of KVM VMs on it. But … Continue reading

Posted in Home Life | Comments Off on F24 to F25 upgrade notes

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

Posted in Virtual Machines | Comments Off on OpenStack woes continue

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

Posted in Virtual Machines | Comments Off on Still trying to get the latest RDO openstack working

Another new project – Walmarts OneOps – Day 2

DNF should have a few more waring messages Playing with OneOps. Installing the vagrant setup. It needs VirtualBox. VirtualBox needs kernel-devel. dnf install kernel-devel No problems. But VirtualBox still failed to install the kernel driver. The problem was… since I … Continue reading

Posted in Unix | Comments Off on Another new project – Walmarts OneOps – Day 2