oracle linux 8 upgrade node 16 to node 20

Nodejs is released as an AppStream Module for Oracle Linux 8; ol8_appstream repository is enabled by default on Oracle Linux 8. If not enabled, execute:

dnf config-manager --set-enabled ol8_appstream

remove node 16

dnf remove nodejs

switch to module nodejs:20

dnf module list --all nodejs
dnf module enable nodejs:20
dnf install nodejs

https://yum.oracle.com/oracle-linux-nodejs.html#EnablingReposOL8