installing an update

B. Henry burt1iband at
Sun Dec 27 00:28:53 UTC 2015

A couple odf things:
apt-get update command
would have to be run as root, e.g. with sudo to work, and would have to be connected to the internet unless you had new software sources on a local 
network or locall attched disk and had that local repository refferenced in your sources lists. 
I'll assume you've not done anything like that, you'd sure know it and know that what you'd done with the update command would do nothing if you had
Also apt-get update only updates the list of available  packages, it does not actually download or install anything.
 You'd have to run something like 
sudo apt-get upgrade
to get new software versions installed on to your machine.
That command would not update to a new major kernel version either. It would do something like update kernel you boot in to from 3.19.4 to 3.19.6.
If updating the kernel is supposed to have an effect  in your case, i.e. support for your device has been made possible with something added in the 
kernel, you need to update to a new kernel, one that would change its first and or 2nd number, e.g. 
3.20.1, 4.2.1, 4.2.1, etc.  
Actuall ubuntu kernels will have a few words in their names. You should update the headers when you update a kernel as well. 
The article that told you how to install the driver should have told you the exact name of the new kernel.
You will of course need an internet connection to do this. 
You are using the internet to write this, so obviously you have access. If the computer in question can not connect for some reason you can not fix then 
you will need to copy the stuff you need to update to the machine that does not connect from one that does. 
If both machines are not running the exact same distro and release then you will have to manuallly download the kernel yu need and install it after 
copying it to the machine that does not connect.
You'll have to investigate to make sure there are no dependency issues that will be caused by updating the kernel, so it'd really be easier to get that 
computer connecting so that apt-get can do the research for you as well as the installation. 
The onlyl other thing you might needto do is modify permissions for the driver you copied in to place.
   Registerd Linux User 521886

  Glenn / Lenny wrote:
Sat, Dec 26, 2015 at 03:26:19PM -0600

>    Hi,
>    I'm having problems getting my NUC 5PPYH to connect to WIFI.
>    It sort of connects, and then disconnects.
>    I read where updating the WIFI driver with:
>    iwlwifi-7265D-13.ucode
>    will fix the problem.
>    The instructions said only to paste it into:
>    /libs/firmware
>    I did that and rebooted, and it did not help.
>    I ran apt-get update
>    thinking, even though I am not connected to the Internet, that it would
>    update that driver, since I placed it into the firmware folder.
>    Is there something different I need to do to make it use this updated
>    driver?
>    Sounds like updating to the latest Ubuntu kernel 4. something fixes it
>    too, but this computer is not connected to the Internet.
>    I am using Ubuntu Mate 15.10 Desktop.
>    Ultimately I want to install Voxin successfully, which seems to never work
>    unless I'm connected to the Internet, for some needed packages.
>    Thanks for any help.
>    Glenn

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