RA1AHQ | Blog about Radio and Linux

February

2026

15:00

Troubleshooting L2TP/IPsec connection errors "Could not add IPsec connection" and "no acceptable traffic selectors found"

Linux, безопасность

20 February 2026 15:00

After upgrading to Linux Mint 22.3 "Zena" based on Ubuntu 24.04 LTS "Noble," my L2TP/IPsec VPN connection to my home network stopped working. Here's the solution.

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February

2026

18:04

Some amateur radio websites are not accessible on the Internet from Russia

безопасность

17 February 2026 18:04

Hosted websites that violate federal law are currently unavailable dated July 1, 2021 No. 236-FZ “On the activities of foreign entities in the Internet information and telecommunications network on the territory of the Russian Federation”.

Unfortunately, there are also amateur radio websites among them. 🙁

More info

February

2026

Dimensions of the Kharchenko "Web" broadband antenna for FM and VHF bands

антенны, УКВ

11 February 2026 17:53

In the article I give the dimensions of the Gossamer antenna for the FM and VHF bands.

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February

2026

Dimensions of the 5-element Uda-Yagi antenna for the FM range 87.5-108 MHz

антенны, УКВ

11 February 2026 17:00

Dimensions of a directional antenna of the "wave channel" type (Uda-Yagi) for the FM broadcast range 87.5-108 MHz.

More info

February

2026

18:48

Distribution-independent package manager "pkcon"

Linux

10 February 2026 18:48

There is a distribution-independent package manager called pkcon.

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February

2026

How to update your computer's BIOS/EFI/firmware in Linux

10 February 2026 15:11

Instructions for updating the BIOS/EFI/firmware of a personal computer from Linux.

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February

2026

Radio Maria has restored broadcasting on a frequency of 1053 kHz from the radio center in Olgino

средние волны

5 February 2026 10:54

Today, on the way to work, I turned on the Internet radio station “Radio Maria”. Where the frequency of 1053 kHz was announced. I switched the receiver to medium wave mode - the radio station is on the air!

More info

Blog about Radio and Linux

Troubleshooting L2TP/IPsec connection errors "Could not add IPsec connection" and "no acceptable traffic selectors found"

Some amateur radio websites are not accessible on the Internet from Russia

Dimensions of the Kharchenko "Web" broadband antenna for FM and VHF bands

Dimensions of the 5-element Uda-Yagi antenna for the FM range 87.5-108 MHz

Distribution-independent package manager "pkcon"

How to update your computer's BIOS/EFI/firmware in Linux

Radio Maria has restored broadcasting on a frequency of 1053 kHz from the radio center in Olgino

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