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Debian Linux cron error: bad username (nscd and libnss-mysql)

If your system setup is based on nscd with libnss-mysql and you have setup a cron job for a database user, it might be possible to get this error in your syslog after ...

Setting up SRV records for an Office 365 domain using PowerDNS with PowerAdmin

Adding a domain to Office 365 requires adding some DNS records.

The details are explained here Cre ...

Customize input type radio button using CSS only

Radion buttons design are so boring, right? So, if you want to override browser defaults, with a little extra markup, the form elements can be styled in almost any way - no JavaScript required. To create a custom design for your input type radio buttons, using CSS only, first step is to place th ...

The 5 Best Plugins for Sketch

Sketch has become the go-to app for designers around the world. The simple UI, the responsiveness and the plethora of handy features makes it a really big success. But one of the biggest reasons for its success is the large comunity of developers behind the app that constantly push out plugins a ...

Delete messages from Postfix queue by sender address and recipient domain

Ever wanted to delete all messages from Postfix queue by sender email address and recipient domain ?

Today, I did ... and below you can find a handful script for this purpose.

Tools needed: grep, awk, mailq and postsuper.


In a hu ...

5 Reasons Sketch is Better than Photoshop

For a very long time Adobe’s Photoshop has been the go-to app for image editing but also for UI design. Despite some of its limitations, people kept using Photoshop to design websites and web apps even tho, at its core, Photoshop is just an image editing software.

On September ...