Conda on LCFG Managed Ubuntu systems

Conda is the name of the package manager used with the data science distribution anaconda. It is available for Linux, Windows and Mac systems and is heavily used for managing scientific software environments. In the past we required our users to download and install conda themselves. Earlier versions of conda …

Evolution and Exchange MFA at Uni of Edinburgh

The University of Edinburgh is piloting multifactor authentication for Office 365. This works with the GNOME evolution mail/calendar application and the EWS plugin. In evolution create a new mail account of type Exchange Web Services and username: UUN@ed.ac.uk host URL: https://outlook.office365.com/EWS/Exchange …

On Schools and being a Parent during the Pandemic

We are now well over a year into the Covid19 pandemic. So far we, personally, have escaped relatively unscathed: We have our jobs, an income and a large enough flat so that all four of us have their own space. We have technology to access the internet and each of …

School of GeoSciences Ceph Architecture

In one of my previous posts I outlined the ceph setup used in the School of GeoSciences. In this post, I would like to describe how the various bits fit together in some more detail. The diagram above shows a simplified version of our computing setup. Broadly speaking we distinguish …

June Ceph Update - the Queen's CURRY

We had the opportunity to try out a cold start of all our servers located in the College Server Room on the weekend. We shut down all machines on Friday 11th June to allow contractors to work on the electricity supply on Saturday. From my perspective the most interesting aspect …

Remote Filesystem Experiemnts

Now that our CephFS file store is in production and LCFG managed Ubuntu is available I began to experiment with running Samba on Ubuntu. The good news is that the LCFG samba component pretty much worked out of the box. The minor tweak that was required is going through the …

Ceph Science Meeting - March 2021

Yesterday, I attended the ceph science meeting. I noticed the meeting was advertised on the ceph user mailing list and decided to go along to see what it is about. Ceph sysadmins from various institutions across the world attended to exchange information and discuss issues arising with scientific workloads. The …

Naturalised

Today I have reached another milestone of dealing with Brexit: I have completed the naturalisation process and become a British citizen. For me, the process was as straight forward as it gets: pass the Life in the UK test, fill in some forms, hand over some money, show some documents …

Scexit and Brexit

I have been worried for a while now that many arguments against Brexit and the Brexiteers' reply are very similar to arguments against Scottish Independence. These arguments are mostly economic: erecting borders makes trade more complicated it limits movement of people and the economy will loose out the closest neighbours …

2020 - The Year of the Pandemic and Brexit

It is the end of the year and I am looking through my photos on flickr to select my photo of the year. It is a good time to reflect and the photos remind me of all the things that happened this year. This is obviously the year of the …