Let’s imagine we have an internal web app and we want to expose it securely over the internet only to a selected group of people. There are multiple ways to…
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Many of us now work from home or stay at home and spend many hours online. Being online it’s almost a necessity: from ordering food through work to entertainment. I’ve…
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This year allowed many people to work from home and because of that most of the communication had to be moved online. I always wanted to try to setup some…
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“An example of a really responsible system is the system the Romans used when they built an arch. The guy who created the arch stood under it as the scaffolding…
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I run most of my containers with LXC. Just recently I discovered that there is a automatic way of making snapshots and expiring them. All you have to do is…
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I wanted simple and secure shell access to my home lab, which runs many containers. I have physical u2f key from Yubico, so I wanted to have second factor with…
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This post will be about Folding@home. If you don’t know what Folding@home is, please read https://tomasz.jarosik.online/2020/03/donate-computing-power-for-covid-19-research/ first. Big thank you to everyone who joined team 255025 ( https://stats.foldingathome.org/team/255025 ). The…
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How to deal with phishing and scammers. Currently more people use the Internet as they have to stay at home. But there are some people out there who will use…
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If you are reading this, you have a computer. How do you use it? I bet your computer can do much more that you think. And I want to present…
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Really good explanations of algorithms at https://cp-algorithms.com (I recently went through https://cp-algorithms.com/data_structures/segment_tree.html, so my opinion is mostly based on that article). “Nothing is more responsible for ‘good old days’ then…