Ivan Tomica

Category: Blog

Total 129 Posts

Cleaning up ZFS GPT signatures

I have been previously installing Ubuntu on ZFS (root-on-zfs) and since then I’ve transitioned to Fedora, on ext4+lvm, to avoid much complication and hassle. It is also not necessary for me to have all those nice ZFS features on root. When I was installing Fedora I have reformatted existing drive.

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Disabling comments

Obviously, I’ve decided to revert this decision on new articles again. There has been this thought in my head about completely disabling comments on this website for some time now. Sure, it is nice to get nice feedback for the articles I’ve written in the past or comments that correct

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Expanding ZFS pool on Linux VPS

In order to expand ZFS pool first step is to resize underlying disk. Once that’s done, by default on Linux, partition 9 of size 8MB is created at the end of the disk. Reasoning for this partition is not completely clear for me, but according to some random discussions on

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What do I do?

Prompted by the excellent article at RedHat’s blog on the topic of “What my family thinks I do all day?” I decided to do the same research on my own, just to see where I stand and how much understanding I get from the family about the work that I

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Firefox Widevine CDM crashing on Fedora

I had this problem with playing Netflix videos in Firefox on Fedora where even at video preview-s I would constantly get yellow bar with the message that Widevine Content Decryption Module, required for playing DRM content Netflix serves, has in fact crashed. Videos worked fine in Chrome, but I’d like

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Self-Hosted Email server

More than 3 years ago I’ve written an article about self-hosting email. Throughout the years that setup was adjusted, migrated and changed in various ways. I’ve used it on the FreeBSD, Debian, Ubuntu since the original article which was based on CentOS. Now, I’m trying to set it up again

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Wildcard LetsEncrypt SSL/TLS certificate with Bind

Having wildcard SSL certificate can sometimes really help with streamlining vhost creation, where you don’t need to step extra step for issuing new SSL/TLS certificate. Although I attempt to automate every bit of the infrastructure I manage, and also have certificate issuance automated with my current configuration management system of

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