How to install Node-RED to Fedora

This post describes how to Install Node-RED to Fedora in few steps with dnf and npm install command. Node-RED is build on top of nodejs so only nodejs should be installed with root permissions. Other steps will install Node-RED in home directory as ordinary user.

Android box conflict with TV remote controller

X96Q is nice android TV box and it was supposed to breathe new life into old LG 42LD650 TV. Everything was fine until I tried to volume down TV and realized that this button is also recognized by android box as media fast forward in Youtube app. So, the solution was to make android box to ignore volume up from LG TV remote controller.

Linux, xmr-stak and huge pages

After xmr-stak is successfully compiled, with enabling huge pages Monero mining can be improved for around 20%. In this post will be shown how to set huge pages on Linux and how to set memlock too. And lastly, you will find Bash script for starting Monero miner.

Kodi and ALSA on Fedora 29

As described in my earlier post, disabling pulseaudio and setting ALSA audio for Linux Kodi setup should be easy. Unfortunately, stopping pulseaudio from respawing was not possible until pulse audio daemon was uninstalled. Here is description of this simple solution.

Fedora triple boot

The goal was to install Windows 10, Fedora 28 and Fedora 27 on a single PC with triple boot option in UEFI mode. Fedora 28 is installed as a workstation while Fedora 27 is configured in non-gui mode. During installation there were few fails and tricks ideal to write it down in this post.

Device or resource busy

During adding and removing kernels on my multi-boot PC, I ran into “Device or resource busy” error. The problem was in used device-mapper as leftover that was shown on dmsetup list. After removing device definitions (clearing list), I was able to recreate boot grub2 options.

Kodi and ALSA on Fedora 25

My hardware configuration is Kodi HTPC connected to TV HDMI and HiFi stereo with analog input. Kodi is running as a standalone app so ALSA is preferred over PulseAudio (plus some other advantages). And last, Kodi configuration should have simple audio device selection.

Android Studio – No space left on device

I tried to install AVD (Marshmallow x86_64) to Android Studio 2.1 and the result was “An error occurred during installation: No space left on device”. The reason was too small /tmp partition on my Linux Fedora 24 desktop.

Simple Linux gateway

This simple guide will show how to to turn on and off Internet access with some Linux PC in the middle. If you have Raspberry PI without its main purpose, it’ll be the perfect choice. With all the ingredients at one place, workshop can start.

PulseAudio debugging

PulseAudio is a sound system used in modern Linux distributions. In most scenarios sound will work without any problem and you’ll not know what is under the hood. The fun begins when some additional settings are needed and that usually leads to debugging process

No soundcards found with aplay

After Fedora 22 fresh install, aplay command didn’t find any sound cards. On the other hand, root user had correct output of the “aplay -l” command. The solution was to add “audio” group to the user.

Fedora LXDE auto login and Kodi auto start

Here is small tip how to set up auto login and Kodi auto start on top of the Fedora 22 LXDE spin – Lightweight X11 Desktop Environment. With settings in two files, after reboot Fedora should run Kodi without login screen. These two configuration files are lxdm.conf and .dmrc in user home directory.