Microsoft stops Windows Mobile

It seems that Microsoft is ending the development of Windows Mobile. After having tried with some effort to get into the mobile operating system business, it seems that the market share is now less than 1%, with Android being >85% and iOS close to 15% according to IDC. Because the market is so large, it …

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Shell Scripts

Shell scripts can be useful for writing small stuff like combining a few commands to pipes or doing a bit of „back ticking“. Even simple loops and if-conditions are possible. And if we want, it is almost a full programming language. A bit hard to tame, maybe, but quite a lot of stuff is possible. …

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Bring your own Device

This issue is quite controversial and it applies to laptops, tablets and smart phones. Usually the „bringing“ is not really an issue, you can have anything in your bags and connect it via the mobile phone network as long as it does not absorb the working time. But usually this implies a bit more. There …

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tmp-directories

On all computers we have some concept of a tmp-directory. Typically it is /tmp on Linux- and Unix-systems and something like C:/TEMP plus some subdirectory in each users home directory on MS-Windows. In terms of software development this tends to be some dark area. Programs like to create some files there, store some stuff there …

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Using non-ASCII-characters

Some of us still remember the times when it was recommended to avoid „special characters“ when writing on the computer. Some keyboards did not contain „Umlaut“-characters in Germany and we fell back to the ugly, but generally understandable way of replacing the German special characters like this: ä->ae, ö->oe, ü->ue, ß->sz or ß->ss. This was …

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Tablet Computers

The idea of tablet computers is actually quite old and it has been tried a couple of times, at least up to prototypes. Probably a certain level of hardware and software was needed to make them both useful and affordable for enough people to become a mass product. This is actually a quite common thing. …

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Running a Large Number of Servers

These days we often have to run a large number of servers, and the times where we could afford to manually log into each one to do system administration tasks are mostly over. It turns out that there are always different approaches to deal with this. In most cases we are talking about virtual hosts, …

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Virtual machines

We all know that Java uses a „virtual machine“ that is it simulates a non-existing hardware which is the same independent of the real hardware, thus helping to achieve the well known platform independence of Java. Btw. this is not about virtualization like VMWare, VirtualBox, Qemu, Xen, Docker and similar tools, but about byte code …

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Microsoft SQL Server will be available for Linux in 2017

Deutsch Microsoft has officially announced that their database MS SQL Server will become available for Linux in 2017. I think the time has come for this. Since the departure of Steve Ballmer Microsoft has become a little bit less religous and more pragmatic. There are good reasons to be skeptical about companies like Microsoft and …

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How to make a scanned PDF smaller (Linux)

When scanning a paper, it is possible to use a lot of parameters within xsane. The output format can be chosen also, for example PNG, JPG or PDF. The outcome may be a PDF-file that is way too big, easily more than 10 megabytes for a single page. It is quite easy to transform it …

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