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Modern ejabberd configuration
ejabberd is one of the most widely used XMPP servers. It is easy to get it running for text-based messaging with a few configuration changes. However, to obtain a smoothly running modern feature set is harder. The configuration documentation is detailed, but even for a seasoned systems administrator or XMPP guru, a lot of questions…
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Kensington PowerPointer for Linux LibreOffice
Navigating the slides works perfectly with the Kensington PowerPointer for LibreOffice under Linux, no questions asked. The extra functions (“laserpointing”, drawing, and screen blanking) are not well supported. Here is how to fix them.
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Compact Archives Widget for WordPress
The standard Archives Widget looks like the image right here. It works well when only a few months are to be displayed. However, it fails if your blog’s history goes back a long way. Here is a quick way to get down from 12 lines per year to 1, increasing usability and page size.
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NTS and dynamic IP addresses
Good news is that NTS relies on DNS names, no longer “naked” IP addresses. But what happens when the DNS name changes, pointing to a different IP address? A look at the protocol, the Chrony source, and the implications.
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Compact Archive for WordPress
The default WordPress «Archive» block becomes very long and narrow, when months accumulate. Here is an easy way to make it more compact.