Work in progress – still migrating old posts…
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Basic Linux server firewall
Somehow I never feel that my servers are protected well enough and probably they actually never will be 🙂
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Replication of mailboxes
Operating your own mail server has advantages (like the feeling that you can do 😄) it but also brings up some additional workload. There is a huge difference between a…
in Linux -
Using GeoIP to limit access to services
It’s been a while that I started to use GeoIP and in the last years it seems that the methods of installing GeoIP changed, including the registration. The service is…
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Backup script for hosted Linux
It takes not much time to initially setup a Linux machine with a hosting provider, but it takes a lot of time to configure it… Backup of my precious databases…
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Postfix with multiple SSL certificates
Since a very long time I am a big fan of hosting my mails one one of my virtual machines in the cloud instead of using a public provider. I…