Hi. At work, we have some computers that we share. We don't work in front of the computers but have them on all day and use them now and then to look something up, write emails, print stuff, etc. I recently installed Ubuntu in one of them, the others run WinXP. Everything is working fine, but I have one security concern.
We have a slow internet connection, so when I download software/updates with synaptics it can take some hours. I normally start the download process and go to do something else (outside the computers room). My concern is that I have to leave my user acount open, so anyone that walks in has access to my terminal. Is there some way to tell the SO to "do this and log me off when you are done; in the meantime do not accept any other command". At least, is there a way to automatically download and install the updates (say at night) without having to log in (I know that the Windows machines do that).
Thanks in advance!
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