Sophos antivirus updating
After you have downloaded the file, open a command window and change to the directory where you saved the download.
First you need to decompress the package (you may have chosen to do this as part of the download).
On Ubuntu systems refer to the Sophos knowledgebase article Sophos Anti-Virus for Linux: Installation on Ubuntu 64-bit fails with "python not found" for details including the command line to install the libraries and resolve the problem. The installer will take a few minutes to complete and will download components from Sophos as needed.
The installation of Sophos onto your computer is an automatic process. The GUI is disabled because a username and password are needed in order to configure the GUI.
The initial status screen shows some configuration details and status information. Sophos Anti-Virus uses a username and password to automatically download updates.
These credentials are valid for around 14 months and expire around November each year.
If you run a manual scan, the output should appear on the screen so that you can see whether any viruses are detected.This address assumes that you used port number 8081 for the GUI when you enabled it.If you used a different port number, make sure that you change the 8081 part of the address as neccessary.On many systems you can do this using an archive manager.Otherwise, using a terminal session, extract it using the command . If you are installing Sophos onto a 64bit linux system you may first need to install 32bit compatibility libraries, or you may see an error.