Re: USB On Xubuntu - SOLVED

Hi Neil...HUGE thanks for your help on this.  I ended up booting via the 
stick I made & was able to to an upgrade from the stick.  Turns out the 
OS that was on there was 16.04.3, so was older then I thought.  I was 
able to update to 17.10 & data seems to have been retained which is a 
HUGE bonus.  Haven't checked everything but if I have to 
re-install/update a couple applications who cares.

Thanks again!

On 2018-01-05 09:09 PM, Neil Mayhew wrote:
> A mountpoint is the directory that a partition appears as when mounted. 
> If you mount the root partition using the GUI in the live system it will 
> be something like `/run/media/ubuntu/root`. If you open a file manager 
> window on it, you can drag it's icon to the terminal window to paste the 
> path into the command line. You can also check by looking at the output 
> of running `mount` (with no arguments). The mounted device will most 
> likely be `/dev/sda1` or `/dev/sda2` and the mountpoint will be the 
> directory name that follows the word "on". So look for line that begins 
> with `/dev/sda` something. The commands you run will then be something like:
> 
> sudo apt-get -o RootDir=/run/media/ubuntu/root update
> sudo apt-get -o RootDir=/run/media/ubuntu/root dist-upgrade
> 
> I recommend trying this before trying to update to an entirely newer 
> version of the OS.
> 
> If you get the wrong partition mounted (eg if you have a separate boot 
> partition) `apt-get` will complain and not do anything.
> 
> On 2018-01-05 06:40 PM, TekBudda wrote:
>>
>> Hi Neil...thanks for letting me know that.  I actually didn't even 
>> think of trying to recover via USB until I started writing the email.  
>> And have finished downloading the ISO.  Working on a boot stick here 
>> shortly.  But one question...in the Live USB, what would I choose as 
>> the mountpoint?  Woudl it be the root of the drive or is there 
>> someplace else I should choose.  And will it specify the mountpoint 
>> name?  Never done this before.  Will see if I can find some 
>> instructions, but soemtimes you don't know what to look for...because 
>> you don't know what you are looking for.  LOL
>>
>>
>> On 1/5/2018 5:52 PM, Neil Mayhew wrote:
>>> On 2018-01-05 05:19 PM, TekBudda wrote:
>>>> I am not sure if it is possible to run updates (that will likely fix 
>>>> the issue) on the installed system from a Live USB or not.
>>>
>>> Yes, it is. Various places on the web say you can mount the internal 
>>> drive and then use `sudo apt-get -o RootDir=MOUNTPOINT` to do 
>>> `update`, `dist-upgrade` and so on. However, I haven't tried this 
>>> myself yet.
>>>
>>> It's also possible to do full-on chroot, with `sudo chroot 
>>> MOUNTPOINT` and then run `apt-get` as normal. However, for this to 
>>> work well you should also bind-mount some virtual filesystems such as 
>>> `/proc` and `/sys` onto the relevant places in the internal drive. I 
>>> can give instructions for this if the `-o RootDir` approach doesn't work.
>>>
>>>
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> 
> 
> 
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