Log in via SSH and cd to the main directory of your website, e.g .:

sudo -s
cd /var/www/<Your Directory>/web

Download Joomla:

wget https://downloads.joomla.org/cms/joomla3/3-10-2/Joomla_3-10-2-Stable-Full_Package.zip?format=zip -O Joomla_3-10-2-Stable-Full_Package.zip

Unzip:

unzip Joomla_3-10-2-Stable-Full_Package.zip

Change the owner of the installed files.

ls -l index.html
# Output e.g.:
# -rw-r--r-- 1 <user> <group> 1861 Nov 15  2019 index.html
# Change the owner of all files within the directory:
chown -R <user> *

Delete the file downloaded previously:

rm Joomla_3-10-2-Stable-Full_Package.zip

Joomla is installed and you can continue with seeting up Joomla.