Wednesday, 4 December 2097

DDoS attack detection solution - FastNetMon

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Hello! :) As you know I'm an author of DDoS detection application called FastNetMon. FastNetMon allows you to find out host which was...
Thursday, 20 February 2025

How to fix The SUID sandbox helper binary was found, but is not configured correctly on Ubuntu 24.04?

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Error:  /cursor-0.45.11-build-250207y6nbaw5qc-x86_64.AppImage  [33057:0220/125346.022623:FATAL:setuid_sandbox_host.cc(163)] The SUID sandbox...
Wednesday, 27 November 2024

Ubuntu 24.04, frame.work laptop and Intel Corporation Wi-Fi 6E(802.11ax) AX210/AX1675* 2x2 [Typhoon Peak] (rev 1a)

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 Today I had issues with Intel Corporation Wi-Fi 6E(802.11ax) AX210/AX1675* 2x2 [Typhoon Peak] (rev 1a) on my shiny frame.work laptop. It fa...
Thursday, 21 November 2024

How to unblock PIN code on Yubikey?

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 Easy: ykman piv access unblock-pin Found it here .
Friday, 6 September 2024

Windows 11 on USB from Linux easy way

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 I found this guide  and it looks easy and clear. 
Tuesday, 30 July 2024

Broken screen sharing in Google Meet (Chrome and Firefox) and Zoom on Ubuntu 24.04

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Today I had very embarrassing experience as my screen sharing option failed during call.  Firefox version: Mozilla Firefox 128.0.3 Chromium ...
Monday, 1 July 2024

How to get public SSH key from GitHub?

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 Easy: https://github.com/your-user-name.keys
Saturday, 2 March 2024

How to create bootable USB for Windows 2022 server on Ubuntu 22.04

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NB! Sadly this guide below did not work on my system (apparently because it's not very recent system) and I decided to use WoeUSB inste...
Sunday, 21 January 2024

jTAG / UART / serial console access for ROCKPro64 with CH340 UART USB

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I bought ROCKPro64 quite long time ago and it's still pretty good even in 2024. So I decided to install official Debian for it to use it...
Sunday, 15 October 2023

Using TP Link TL-SG108E web UI configuration tool on Ubuntu 22.04

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My research was based on this great post from 2014. This switch has UI which can be accessed via windows application and has UI which can b...
Saturday, 6 May 2023

Ubuntu 22.04 installation on VirtualBox using command line

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We use VirtualBox for process of preparing VM images for our product. Sadly some things had to be done manually and we're heading toward...
Thursday, 4 May 2023

sign_and_send_pubkey: signing failed for RSA "PIV AUTH pubkey" from agent: agent refused operatio

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This error is very annoying and it happens when you use Yubikey for ssh auth and by accident you did not click on Yubikey when you did ssh a...
Monday, 1 May 2023

Can Mozilla VPN users connect Mullwad servers directly?

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I've tried to fix my IPv6 compatibility issues by using Mozilla VPN over NAT64 box this way. I've tried to improve this setup but i...

Mozilla VPN without UI on Ubuntu Linux 22.04 over NAT64

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Mozilla VPN service is a really nice service but their UI does not support IPv6 only environment. I use NAT64 box in my network and it does ...
Sunday, 30 April 2023

Yubikey ssh on Ubuntu 22.04

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Today I did full fresh installation of Ubuntu 22.04 to migrate to new 2T NVME disk from Samsung as I had disk space issues with my old 500G ...