Vesta Control Panel - Forum

Raise a ticket with Contabo... your SMTP ports may be blocked by the provider

Your site is compromised and is being used to Inject malware. suspend it. , move all code outside of public_html and then fix your code vulnerability.

Try to Rebuild web for your particular user

Are you sure your DNS is pointing to the right A record ?
or
you are editing the file on the right server ?

Changes to your files should be visible instantly... if you can't see them, you are clearly faulting it somewhere

(Please use some common sense) and go check
/var/log/nginx/domains/<domain>

It just seems htaccess directive issue which should be fairly simple to resolve if you read vuejs docs/installation manual properly.
Give us some more info about VueJS and link us to some documentation so we can check.

so goto /var/log/apache2/domains/<domain>.error.log and look for errors. This will give you an idea what might needs to be tweaked.

Whats the problem in it? I have installed it many a times... its a simple install just like you would install wordpress or any other PHP site. Give it a try and ask if you get stuck somewhere. We can only help you if we know the problem

To change Default version of PHP-CLI

You need to give good amount of details for us to help.

As ScIT mentioned, you may have a compromised site.

How many domains are you hosting ?
Suspend domains one by one, observe your load after each suspended domain and see if load normalized. You will get the offending domain.