install nodejs in debian

Installing nodejs in debian 9

root@family:/home/educacion/src/docker17_puppeteer# curl -sL https://deb.nodesource.com/setup_11.x -o nodesource_setup.sh


root@family:/home/educacion/src/docker17_puppeteer# chmod +x nodesource_setup.sh 

root@family:/home/educacion/src/docker17_puppeteer# ./nodesource_setup.sh 

root@family:/home/educacion/src/docker17_puppeteer# apt install -y nodejs

root@family:/home/educacion/src/docker17_puppeteer# node --version
v11.9.0