If your hoster provided this domain, it probably doesn't have any subdomain entries. You might try to ask hoster support if they could add a subdomain record for you.

If your subdomain isn't resolvable, you need to set up a DNS record for it at your registrar's panel. Alternatively, setup a wildcard record for all possible subdomains.

Yes, you need to deploy /etc/ajenti/vh.json file with your setup - that will enable Ajenti V automatically.

That's right, but don't forget to run ajenti-ipc v apply afterwards.

Hi,

You can create a website by using the import command.

Your MariaDB RPMs should provide "mysql-server" name. For example, RPMs from MariaDB website do that.

Yes, just install it and restart Ajenti.

Just with anything else, you can use MariaDB as a drop-in MySQL replacement without any changes.

Our repo contains following packages:
-rw-r--r-- 1 root root 58154 Sep 24 2013 python-psutil_0.6.1-2_amd64.deb
-rw-r--r-- 1 root root 58714 Sep 1 2012 python-psutil_0.6.1-2_armel.deb
-rw-r--r-- 1 root root 58632 Sep 1 2012 python-psutil_0.6.1-2_armhf.deb
-rw-r--r-- 1 root root 59786 Sep 1 2012 python-psutil_0.6.1-2_i386.deb
-rw-r--r-- 1 root root 56614 Sep 25 2013 python-psutil_0.6.1-3_amd64.deb

Try to run apt-get install python-psutil manually before installing Ajenti.

Please follow the troubleshooting guide http://support.ajenti.org/topic/507352-troubleshooting/