After install : localhost url

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Hi,
Before buying a Pi/odroid/pine (not sure for now), I wanted to try nextcloud as VM or snap on my Ubuntu laptop. I installed both, but can reach any of them.
An apache/php server is already installed on my computer. So, when I go to http://localhost, I got the list of my websites and I’m unable to reach nextcloud. I guess I have to redirected nextcloud somehow but I’m not sure how and where (in which server, the VM or my laptop?).
Hoping the question is clear…
Thanks
Mélanie