Stable IT

Blog about system engineering, programming and networks

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...
Saturday, 20 February 2021

Ubuntu 14.04 LTS kernel with drop_monitor support

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In this guide, I'll describe how you could build kernel for Ubuntu 14.04 with CONFIG_NET_DROP_MONITOR option. It's pretty standard ...

Using Dropwatch to monitor UDP drops in Ubuntu Linux 20.04

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What is Dropwatch? This tool will show place where Linux kernel drops/discards UDP packets. Example screen: Install dependencies: sudo apt...
Friday, 22 January 2021

How to switch keyboard layout in Ubuntu 20.04 LTS via Caps Lock?

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 It's pretty easy, you need to create this folder: sudo mkdir /etc/X11/xorg.conf.d And then you need to create following file /etc/X11/x...
Saturday, 18 July 2020

Настроить сеть в VyOS

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Спасибо за совет в комментариях: configure set interfaces ethernet eth0 address dhcp commit
2 comments:
Monday, 8 June 2020

s3cmd and Google Cloud Storage

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You can use s3cmd to access / upload data to Google Cloud Storage using following syntax: s3cmd --disable-multipart  --host=storage.googl...
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Pavel Odintsov
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