After you have added a domain alias, you can use the 1‑click installer in the control panel to select the alias and install software – remember to use a unique table prefix.
After you have created a domain mapping to your webhosting, you can subsequently use the 1‑click function in the webhosting to install software on a domain alias.
Select the webhosting in your control panel and click the “1‑Click installer” menu item. When you are on the 1‑click installation page you can, under “Address / URL”, choose the domain alias from the list of possible domains to install onto.
Make sure not to select the same table prefix as on your webhosting if you are installing the same system, as 1‑click will overwrite database tables with the same name/prefix. You can choose the database and prefix under “Advanced settings”.
Article from the support category: 1-Click installation
