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.

Fedora 34 and WOL (wake on LAN)

Enabling power on by PCI-E/PCI on ASUS motherboard wasn’t enough for WOL function. With Fedora shutdown and power on (or reboot) WOL option was again disabled. So, the solution was to somehow enable WOL on Fedora boot and here is how.

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.

Fedora 30, Nvidia and xmr-stak

This post describes how to compile xmr-stak Monero miner on Fedora 30 for older Nvidia graphic card. In my case Nvidia card is Quadro K2200 and compiling with gcc9 was not possible because gcc versions later than 8 are not supported. The solution was to build gcc7 with gcc9 and install to /usr/local directory where will not interfere with other packages.

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.

Fedora 27 with AMD GPU and xmr-stak

This post describes Fedora 27 AMD driver installation and xmr-stak compile steps. In scenario without GUI, “worker” will be launched in runlevel3 and therefore only OpenCL is needed to install from AMD driver package.

Fedora, Kodi and USB automount

My goal was to set minimal Kodi installation on top of Fedora 25 with bypassing desktop environment GNOME, LXDE or so on. USB automount is needed functionality for Kodi as standalone to be a complete media centre. This post describes how to set automount without any help from desktop environment.

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.

Kodi and video judder on Intel HTPC

After Kodi installation on Q1900 HTPC (Intel Bay Trail processor), everything was fine except one irritating detail. The problem was judder (hicckup) every 8 seconds showing on movies with 23.976 FPS on my LG TV model 42LD650. Solution for smooth movie playing was adding correct modelines in xorg.conf.