# TS6
# if MPD doesn’t start type this to get its status
$ sudo systemctl status mpd
# if the error is related to /libavcodec.so.58: undefined symbol: bcm_host_is_fkms_active
# reinstall libraspberrypi0 pkg
$ sudo apt install --reinstall libraspberrypi0
$ sudo reboot
# NANO return this error (on Armbian / Debian):
Unable to create directory /root/.local/share/nano/: No such file or directory It is required for saving/loading search history or cursor positions.
# check if nano cmd is available using:
sudo /bin/nano .bashrc
# if nano opens the file then you simply need to create the /root/.local/share/nano/ directories
# you can confirm the issue by using:
sudo ls -l /root/.local/
# UPGRADE or DOWNGRADE YOUR KERNEL
# IMPORTANT:
# All information below is for Raspberry PI platform only, does not apply to other devices
# go to
https://github.com/Hexxeh/rpi-firmware/commits/master
# get the sha1 of the kernel
# for example: 4.19.118-v7 e1050e94821a70b2e4c72b318d6c6c968552e9a2
# then to install this old kernel 4.19.118-v7+ enter:
$ sudo rpi-install e1050e94821a70b2e4c72b318d6c6c968552e9a2
$ sudo reboot
# install pkg ends with error:
# “Failed to start The PHP 7.3 FastCGI Process Manager”
# type the cmd below to create the missing directory:
$ sudo mkdir /var/run/php