Blog



January 12, 2021 | 22:20

Cert Monitoring

Everyone knows the alert when visiting a website with expired certificates. At least once a month I stumble into one or I receive tickets with questions asking what to do. “Nothing” is my reply in most cases. “The mistake is on the other side”. On this occasion, my very special appreciation to the owners and/or administrators of such sites for the extra work required. The obvious solution to avoid such embarrassments: A software or service with periodic checking and notifications. Read more

January 1, 2021 | 11:40

Pit Stop: Please Refuel and new Bumpers - Part II

Just in time for the new year, the revived Apple Macbook Pro with Debian from the first part is back on my desk. It served well in December. Now, it’s time for a pit-stop: Would you refuel and change bumpers, please? Battery Replacement after 12 years I was way off the mark with the expected endurance: I wrote something about 1.5 hours last month. Well this may have been 7 years ago when I last worked with it. Read more

December 30, 2020 | 23:20

Remote Chaos 2020

We all knew the Chaos Computer Club’s congress would not happen this year. The big challenge is to find a way to organize something comparable in a more, well, remote and social distanced fashion. In the past weeks I have contributed my two cents. From the early planning, the pre-meetings in Jitsi and Mumble and finally, on location at the Academy for Theatre and Digitality in the Stadttheater Dortmund with professional studio and broadcasting equipment around. Read more

December 18, 2020 | 00:05

Revive a Macbook Pro with Debian - Part I

What is the worst-case scenario right before Christmas during a Corona Lockdown? Let’s leave zombie apocalypses, too little toilet paper or slow internet connections aside for a moment. Right! A broken laptop. Exactly such a call for help came to me this afternoon from my own circle of friends. I was asked if I had a spare notebook available shortly. Coincidentally, yes. An old mid-2009 Macbook Pro 13” has been hanging around in the corner for years. Read more

November 27, 2020 | 17:40

Phishing and Spam

Within just a few days, the German EU Representation warns people about phishing emails.1 This is the 4th warning regarding data theft since July 20202 by Reinhard Hönighaus, press spokesman and head of the press and media office. Obviously there is an urgent need for action. In his current warning dated 26.11.2020, only two days after the previous one, he identifies T-Online users as targeted by phishing mails and also provides the explanation: Read more

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