This video provides an introduction to Ubuntu 22.04 Jammy Jellyfish. It has some information about the upgrade process, some fixes that I needed to apply (including Re-installing Display Link drivers) and some of the new features. I have switched back to X.org instead of Wayland so that I can continue to use Simple Screen Recorder […]

The password is often the key component keeping a system secure. Users are often told that you need to follow certain rules when creating their passwords which may include using capital letters, numerical digits and sometimes special characters. Rules normally also set a minimum number of characters, which may be as low as 6 (not […]

As the Raspberry Pi OS no longer uses the default pi username I’ve had to make some changes to some of my software so that it still works correctly. This video goes through the changes I have made to my Raspberry Pi Pixel Server software so that it works without the default username of pi. […]

I’ve created a new YouTube channel called Penguin Fortress. This is created as an spin-off of my Penguin Tutor channel which will concentrate on IT security / cyber security. The first video is on the recent Raspberry Pi OS change which means that Raspberry Pi OS no longer requires the default pi username. The reason […]

During last year I entered into the PA Consulting Raspberry Pi competition. The aim to “Make the world a better place” using the Raspberry Pi computer. My entry was the Kidsafe family Internet filter proxy. I reached the final which was held last week. I had a great day meeting the staff at PA Consulting […]

The LPI practice exams on PenguinTutor.com are periodically updated to keep the content fresh and relevant to those studying for the the lPIC exams. I do look for changes in the objectives and try and remove questions that are no longer relevant and add new questions to keep the quiz up-to-date. It has however been […]

An essential part of computer security is to always lock your computer whenever you leave it. It only takes a couple of minutes with your back turned for someone to access your personal information or change your Facebook status (frape). Logging out can be a bit of a pain, so luckily there is a quick […]

In the good old days of wireless networking the world was a wonderful place. You bought a wireless router plugged it into your broadband and it just worked. There was an issue of not enabling security, but that just made it easier for others to borrow your network (good or bad depends upon your personal […]

I’ve had a couple of minor issues with my new Dell Inspiron Laptop. These have been resolved now, but I must say that I was a bit uncertain about how well the help desk would handle my request after my previous bad experience with the Dell helpdesk. The issues: missing anti-virus software license and invalid […]

Unfortunately my website watkissonline.co.uk went offline for a few hours on Sunday due to a bandwidth exceeded issue. I’ve already created a post about the problem I’ve had with low cost hosting issues with bandwidth exceeded. Whilst I still think it’s wrong to block a website in these circumstances I believe I’ve found the reason […]