Tuesday, 5 April 2022

UK immigration for IT engineers

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I wasn't born in the UK and I had no right to work here. I was ordinary engineer. I wasn't special in any way. And I got  Global   T...
Thursday, 17 March 2022

How to unpack bzip2 faster using parallel approach?

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There are multiple tools which claim option to decompress bzip2 in parallel: pbzip2 lbzip2 Let's compare pbzip2 performance with referen...
Monday, 7 March 2022

How to disable systemd-resolved on Ubuntu 18.04 server with Netplan

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NB! This guide is not applicable for Ubuntu 18.04 with Desktop environment, please use another one as you will need to change Network Manage...
Sunday, 26 December 2021

The start job is running for Wait For Network to be configured with Ubuntu 20.04

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I've got this issue on Digital Ocean VM with Ubuntu 20.04. Apparently, it started happening after minor upgrade via apt-get update / apt...
Friday, 26 November 2021

How to install hass.io aka Home Assistant on vmware esxi?

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It's not very hard but you need to set a few more flags described in this  guide .
Saturday, 11 September 2021

When I started using Go?

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Apparently I've started using Go for production projects in around November 13th of 2013. My first project was REST-like daemon to manag...
Wednesday, 1 September 2021

How to decode IPFIX on non standard port in tshark?

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 You can do it easily: mkdir /root/.config/wireshark echo "cflow.ipfix.ports: 4739,4740" > /root/.config/wireshark/preferences
Friday, 27 August 2021

Easy way to control sound input and output in Ubuntu

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 I have an external sound card Focusrite for my microphone and headphones but I use USB soundbar for output and all the time I need to switc...
Friday, 6 August 2021

asciinema cast to SVG

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Yay! We've got tool for it: svg-term-cli

How to convert asciinema screen casts into video mp4?

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We have got great tool to save us: asciicast2movie . I'll use Ubuntu 20.04 for my tests. Install dependencies:  pip install moviepy pyte...
Wednesday, 4 August 2021

How to associate .exe files with wine on Ubuntu 20.04?

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 To do it you will need to install: sudo apt install -y wine-binfmt And then you can add wine as option in "open with" dialog: sud...
Monday, 2 August 2021

How to improve wine applications appearance on hidpi / 4k displays

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I've used this guide , it's very simple and you just need to run wine-cfg and select DPI value which works for you. And then I'v...

How to deploy Mikrotik in Google Cloud / GCE

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You can use Mikrotik's official guide for start. To use all gsutil commands from VM in GCE you will need to set following permissions f...
Wednesday, 28 July 2021

createrepo on Ubuntu 24.04

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Unfortunately, createrepo command which can create RPM repositories was removed in Ubuntu 24.04 LTS. Let's try building C based version ...
Sunday, 21 February 2021

Firmware upgrade on Thinkpad X1 Extreme Gen 2 on Ubuntu 20.04

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 It's actually pretty simple process, just run this in Terminal: fwupdmgr update Output may look the following way: Upgrade available fo...