Hi Red Hat!

A Red Hat introduction. Recently (this May) I’ve passed the LFCS exam with the help of my friends of Linux Academy and switched jobs at the beginning of this month to a super professional Linux company. This spices things up a lot. At my former company, the choice of poison were Debian based distributions (Debian…

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Fast Postfix and Dovecot setup on Ubuntu 18.04

More than a year ago I did a comprehensive multiseries walkthrough about how to setup a mailserver using Postfix and Dovecot, with antispam, database backend, etc. I’ve been running it ever since without a hiccup. For my recent LFCS certification I had to brush up on this knowledge a bit and wanted to find out…

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BIND primary and secondary DNS server

Last weeks BIND post cost me more time than I could’ve imagined. You can have a forwarding or caching server running in a matter of minutes, but fiddling with listening addresses and ACLs took me a bit more time. In retrospect, it was not hard, but I stumbled upon a couple of problems like the…

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BIND forwarding and caching DNS server

For my recent exam I had to study how to setup a BIND caching DNS server. Since this was too easy, I decided to make it a full featured primary and secondary DNS server, but that’s for the next post. I mentioned the BIND setup with a colleague of mine and he, somewhat jokingly, asked…

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