Ivan Tomica

Ivan Tomica

Total 125 Posts Website
Sysadmin on the everlasting journey of learning.

Loading modules in PowerShell

Just like Bash on Linux, PowerShell on Windows has it’s PATH-like variable from which modules are being automatically loaded. To find out array of your paths you can use: Now, I have already experimented a bit with PowerShell but I’ve used Windows PowerShell (different version than Core) and I’ve written

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Wireguard Server-Client configuration

Setting up Wireguard based VPN is quite easy. Depending on your distribution you install kernel headers (as Wireguard is loaded kernel module), install Wireguard and configure it and you’re off to the races. With Linux kernel 5.6 Wireguard will be built in so this process will be even simpler. Installation

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AWS Vault login on Windows

I’ve since evolved this script a bit and have published it on GitHub: https://github.com/ivantomica/AWSVault To log in into AWS I prefer to use small function which calls aws-vault utility and gets URL to login to specific AWS account and then opens that AWS account in its own container tab in

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Replacing OfflineIMAP with MBSync (isync)

For most of my private email needs I prefer to use Mu4e within Emacs. It is a module of Emacs which basically searches through Mu index file. Naturally, to be able to index something, you first need to fetch it. In this case “it” are email messages from the server,

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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

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 Sure, it is nice to get nice feedback for the articles I’ve written in the past or comments that correct some of outdated or otherwise incorrect information in articles but I

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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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