U3ACommunities is a free on-line platform for enquiring minds. We host a number of subject based groups who meet on-line monthly. Whilst most of our members are beyond the age of retirement, we do allow anyone to join.
We meet online every 3rd Tuesday of the month at 3pm for presentations and discussions on computing and internet related technologies. We try to cover “how things work” in preference to “what button to press”.
This month we look at installing desktop GNU/Linux. The talk will be demo focused. If you aren’t a member, it’s free to join here https://u3acommunities.org/subscribe-to-computing-forum/. Plenty of time is reserved[…]
This month, we discuss some of the options and issues about running your own Generative AI at home. As well as avoiding privacy issues with online Generative AI and reducing[…]
A year or so ago I presented How to reduce your electricity bill to zero talk – it’s now been running for a year, so time to check progress. Unfortunately,[…]
Firstly, thank you for your patience as we tried kmeet/jitsi. Whilst a lot of it did work, and it has a number of advantages over zoom, I think we can[…]
This month we look at Generative AI, including a bit of history, opening the pandoras box, how they work and how they compare. Will include a demo or two. If[…]
Regular social media has been a source of concern for many years, with specific concerns around data gathering, profiling and hidden algorithms used to sell more ads. In 2016 the[…]
In todays talk, Peter Weston will be taking us through how he uses Tuya devices in his smart home. We will also cover some of the protocols used in home[…]
This month, Tomy Duby showed that a modern computer (including a smartphone) can also do complex scientific and engineering calculations. To achieve this, one needs suitable programs. Using two free[…]
This month we had a talk about various aspects of backups. We’ll touch on why, different backup schemes and what I do. Included are a couple of videos. Plenty of[…]
This month we have a talk about immich – the open source alternative to Google Photos. We will discuss its features, why we would want to use it, architecture, containers,[…]
This is the follow-up post to the on-line meeting containing the materials used. This month we have a talk about virtual machines, containers and related technologies. We will discuss how[…]
Since its peak festival season, the computing group is taking August off. Next meeting will be September 17th when we will discuss virtual machines, containers and related subjects. If interested,[…]
This is the follow-up post to the on-line meeting containing the materials used. This month, David Price takes us through how and why we could move away from Windows to[…]
This is the follow-up post to the on-line meeting containing the materials used. This month we have a talk about reducing your electricity bill. We’ve previously discussed home automation with[…]
This is the follow-up post to the on-line meeting containing the materials used. This month Frank Nicholson took us through Google Slides vs Microsoft PowerPoint. (the planned talk on WYSIWYG[…]
This is the follow-up post to the on-line meeting containing the materials used. This month we look at Email, including a breakdown of an email message, sending with SMTP, routing[…]
This is the follow-up post to the on-line meeting containing the materials used. This month we look at generative AI, including a bit of history, opening the pandoras box, how[…]
This is the follow-up post to the on-line meeting containing the materials used. This month we look at passwords. Areas covered includes early days, local login, remote login, single sign[…]
This is the follow-up post to the on-line meeting containing the materials used. This month we look at the Universal Serial Bus, or USB. Areas covered include what it is,[…]
Hi everyone, Many of you may not know that I publish a list of Science and Technology webinars and this is an extraction of those most relevant to Computing. This[…]
This is the follow-up post to the on-line meeting containing the materials used. In last months meeting we touched on using Home Assistant to host AdGuard … as there were[…]
The Artificial Intelligence for everyone library is now available https://u3acommunities.org/interest-groups/computing/ai-for-everyone/ Artificial Intelligence forums are also available for both beginners and enthusiasts.
This is the followup post to the on-line meeting containing the materials used. In this meeting we have a video by Tom Scott and a presentation by Peter Lord, both[…]
17th June 2025 at 3pm UK This month we look at installing desktop GNU/Linux. The talk will be demo focused. Plenty of time is reserved for discussions. Joining details will[...]
20th May 2025 at 3pm UK This month, we discuss some of the options and issues about running your own Generative AI at home. As well as avoiding privacy issues[...]
15th April 2025 at 3pm UK This month we look at IP (Internet Protocol) addresses, including both IPv4 and IPv6. The talk includes a brief description of IPv4 addresses, problems[...]
18th March 2025 at 3pm UK This month we look at Generative AI, including a bit of history, opening the pandoras box, how they work and how they compare. Will[...]
Regular social media has been a source of concern for many years, with specific concerns around data gathering, profiling and hidden algorithms used to sell more ads. In 2016 the[...]
In todays talk, Peter Weston will be taking us through how he uses Tuya devices in his smart home. We will also cover some of the protocols used in home[...]
In today's talk, Tomy Duby will show that a modern computer (including a smartphone) can also do complex scientific and engineering calculations. To achieve this, one needs suitable programs. Using[...]
This month we have a talk about various aspects of backups. We'll touch on why, different backup schemes and what I do. Included is a couple of videos. Plenty of[...]
This month we have a talk about immich - the open source alternative to Google Photos. We will discuss its features, why we would want to use it, architecture, containers,[...]
This month we have a talk about virtual machines, containers and related technologies. We will discuss how different technologies can be used to make better use of server hardware resources. [...]
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