@xiaoye said in How to modify the "url" item in config.json?:
> I found the config.json in /opt/config, but I encountered the following problems when I edited it.
>
unusual, nano or vi is normally installed on most versions of linux.
odds are you need to install it then if it is not showing up.
Debian/Ubuntu base system
sudo apt install nano
or
sudo apt install vim
for Redhat based
sudo dnf install nano
or
sudo dnf install vim