Run like Hell

I think nearly everyone, who administers some PCs or servers has used openssl . And almost everything there is straight forward. To create y...

Last week i read the book "Kafka: The Definitive Guide" with the subtitle "Real-Time Data and Stream Processing at Scale...

What about: You have to convert a hex value into a binary value Your only tool is a linux shell You have to start in 30s You have to do it f...

Did you ever examine what data your digital camera is writing inside your images? There is much more than the picture itself. It is called E...

It is always the same: You are used to a technique like accessing server via ssh with ssh-keys But in some environments you are not allowed ...

Did you ever think about resizing many images or cutting an area out of many images? Yes you can open every single image with gimp and clic...