You receive Exec Format error on WebConsole binary and you cannot access to 9000 port.
This means the Webconsole binary as been corrupted during extract or download process.
Use these command line to download the WebConsole package and install it again
wget http://articatech.net/download/webconsole.tar.gz
tar xf webconsole.tar.gz -C /
/etc/init.d/artica-webconsole restart