IoBroker

Upgrading Node.js

iobroker stop
npm cache verify
chown -R iobroker /opt/iobroker

Remove old node.js and install new one (replace "16" below with new version)

apt update -y && sudo apt upgrade -y
apt-get purge nodejs -y && sudo apt-get autoremove -y && sudo apt-get autoclean -y
curl -sL https://deb.nodesource.com/setup_16.x | sudo bash -
apt-get install -y nodejs

Install new JS Controller

chown -R iobroker /opt/iobroker
iobroker stop
cd /opt/iobroker
curl -sL https://iobroker.net/fix.sh | bash -
sudo npm install -y iobroker.js-controller --unsafe-perm --production --save --prefix
sudo npm rebuild

Update and run ioBroker

iobroker update
iobroker upgrade self
iobroker upgrade
iobroker start