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Relocate to a new domain registrar

In the spring of this year I changed my domain registrar. Initially I followed the recommendation from friends and went to United Domains (UD or ud from here on) and bought myself kepler.international as well as kepler.one there. In the beginning I was quite pleased with the offer but there have been a few problems. To set the DKIM signing keys from Fastmail was not the easiest since UD does not allow the creation of domains with a leading underscore. The support there is quick and very friendly. After all I just had to write an email with the domain and the values and the record has been …

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Bots do not like modern ssh configurations

In the course of my DNS move and the possibility of SSHFP records as well as my new Linux laptop, I have been dealing a bit with security, encryption and especially hardening again. Measures like tinkering with the cipher suites of a webserver is now relative common and with the right tools easy to achieve and to test. But other things also have cipher suites and various algorithms that contribute to security and confi…

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Deploy Code with Git

For a long time we used a rsync script at work to deploy the webserver. At first there had to be manual adding and removing of parameters to do a dry tun. So this workflow was not the best. After I was frustrated by manually editing the script every time I used my shell skillz[sic] to improve the user experience.

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