Re: Ubuntu 16.04 Secure Boot Policy

[Tom H]

On Tue, Jul 5, 2016 at 4:15 AM, Ralf Mardorf  wrote:
> On Tue, 5 Jul 2016 03:39:48 -0400, Tom H wrote:
>> On Mon, Jul 4, 2016 at 3:58 AM, Ralf Mardorf wrote:
>>>
>>> It's still more user-friendly to disable secure boot, than to deal
>>> with it, isn't it?
>>
>> It's certainly simpler. I've disabled SB on my laptop out of sheer
>> laziness
>
> I only use an old BIOS computers, but assumed one day I should get an
> UEFI-secure-boot computer, then I most likely would disable secure
> boot. Call it "laziness", I name it "cautiousness to avoid trouble".

In my case, it's just laziness.

I'm not currently using SB on my own laptop because I use upstream
kernels but I'm doing so on four laptops; they single-boot Ubuntu with
its default SB setup without a problem.

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Re: Snapcraft, Snappy

[Ralf Mardorf]

On Sat, 09 Jul 2016 17:21:03 +0200, Oliver Grawert wrote:
>hi,
>Am Samstag, den 09.07.2016, 16:52 +0200 schrieb Ralf Mardorf:
>> Hi,
>> 
>> on Ubuntu devel "snapcraft" was mentioned today. I made some Internet
>> research and Snappy was even mentioned on a RME forum. I wonder it
>> it's
>> a sandbox or virtualization, that could cause issues with real-time
>> and/or jack connections with "regular" apps. IOW I don't understand,
>> if
>> there is an additional layer, a separation or if it's just like a
>> regular install to /opt, without using shared libs, but also without
>> a
>> layer, IOW without a separation?
>> 
>> Sometimes German Ubuntu help pages are better than the English pages,
>> but regarding this topic, there seem to be no German Ubuntu Wikis at
>> all.
>>   
>the snap/snapcraft mailing list is at https://lists.ubuntu.com/mailman/
>listinfo/snapcraft
>
>some details about snappy can be found at http://snapcraft.io/
>
>regarding the setup, it is kind of neither virtualization, nor
>container, nor sandbox ... 
>
>snapd ships its own execution environment for snaps (which you could
>call a container), but then bind mounts bits and pieces from the host
>system readonly into that environment. then it wraps all execution with
>apparmor and seccomp monitoring (which you could call a sandbox, but it
>reallly isnt one :) ) ... 
>
>that confinement then offers interfaces a snap can use through which
>you get direct access to i.e. hardware or other system resources (...if
>the user permits, imagine the android or IOS permission system here)
>snaps can offer interfaces for other snaps or just consume existing
>interfaces. 
>
>so to answer your question about realtime, it should be completely
>possible to have realtime apps use snappy but will likely need
>additional interfaces added (you can always install a snap with the --
>devmode option which switches off all confinement. in this case it
>would not behave different to some bundled binary you simply installed
>to /opt as you described above)
>
>i hope that clearifies some bits ;)
>
>ciao
>   oli

Hi Oli,

too funny, my intention was to sent it to Ubuntu Studio devel mailing
list, I send it by accident to this list. I hope that somebody from
Ubuntu Studio devel has got experiences with audio apps and this
approach.

Thank you, for the summarized explanation.

I still will send a request to Ubuntu Studio devel and  I'll add a link
to your explanation ;), or simply forward this reply.

Regards,
Ralf

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Re: Snapcraft, Snappy

[Oliver Grawert]

hi,
Am Samstag, den 09.07.2016, 16:52 +0200 schrieb Ralf Mardorf:
> Hi,
> 
> on Ubuntu devel "snapcraft" was mentioned today. I made some Internet
> research and Snappy was even mentioned on a RME forum. I wonder it
> it's
> a sandbox or virtualization, that could cause issues with real-time
> and/or jack connections with "regular" apps. IOW I don't understand,
> if
> there is an additional layer, a separation or if it's just like a
> regular install to /opt, without using shared libs, but also without
> a
> layer, IOW without a separation?
> 
> Sometimes German Ubuntu help pages are better than the English pages,
> but regarding this topic, there seem to be no German Ubuntu Wikis at
> all.
> 
the snap/snapcraft mailing list is at https://lists.ubuntu.com/mailman/
listinfo/snapcraft

some details about snappy can be found at http://snapcraft.io/

regarding the setup, it is kind of neither virtualization, nor
container, nor sandbox ... 

snapd ships its own execution environment for snaps (which you could
call a container), but then bind mounts bits and pieces from the host
system readonly into that environment. then it wraps all execution with
apparmor and seccomp monitoring (which you could call a sandbox, but it
reallly isnt one :) ) ... 

that confinement then offers interfaces a snap can use through which
you get direct access to i.e. hardware or other system resources (...if
the user permits, imagine the android or IOS permission system here)
snaps can offer interfaces for other snaps or just consume existing
interfaces. 

so to answer your question about realtime, it should be completely
possible to have realtime apps use snappy but will likely need
additional interfaces added (you can always install a snap with the --
devmode option which switches off all confinement. in this case it
would not behave different to some bundled binary you simply installed
to /opt as you described above)

i hope that clearifies some bits ;)

ciao
oli


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Snapcraft, Snappy

[Ralf Mardorf]

Hi,

on Ubuntu devel "snapcraft" was mentioned today. I made some Internet
research and Snappy was even mentioned on a RME forum. I wonder it it's
a sandbox or virtualization, that could cause issues with real-time
and/or jack connections with "regular" apps. IOW I don't understand, if
there is an additional layer, a separation or if it's just like a
regular install to /opt, without using shared libs, but also without a
layer, IOW without a separation?

Sometimes German Ubuntu help pages are better than the English pages,
but regarding this topic, there seem to be no German Ubuntu Wikis at
all.

Regards,
Ralf

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Re: libgraphicsmagick++3

[Oliver Grawert]

hi,
Am Freitag, den 08.07.2016, 21:26 -0400 schrieb Odeerheart:
> can U please tell me if this package is available?
> libgraphicsmagick++3
> I need this dependency to run an application known as LaidOut, by Tom
> Lechner

if you are on 16.04 .. try:

sudo snap install laidout

;)

(the source for the snap is at https://github.com/ogra1/laidout in case
someone wants to roll it on his own (just clone the tree and run
"snapcraft" in teh toplevel dir)

ciao
oli

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Desktop Icons resize feature with Ctrl + mouse scroll

[LogixTree]

Hello Ubuntu Team,

It appears that we are locked with default icon size on Unity Desktop. I
can resize the icons in Nautilus, but not on the desktop.

Warm Regards,
Karan
Team LogixTree
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Re: libgraphicsmagick++3

[Ralf Mardorf]

On Fri, 8 Jul 2016 21:26:44 -0400, Odeerheart wrote:
>can U please tell me if this package is available?
>libgraphicsmagick++3
>I need this dependency to run an application known as LaidOut, by Tom 
>Lechner

Do you try to install it from a repository or, do you try to build it?

Did you search for the package?

http://packages.ubuntu.com/

Consider to mention what Ubuntu release you are using and what release
of LaidOut you're trying to build.

Regarding https://github.com/Laidout/laidout/blob/master/README.md you
don't need libgraphicsmagick++3.

However, it's available for

http://packages.ubuntu.com/search?suite=precise=any=names=libgraphicsmagick

and

http://packages.ubuntu.com/search?suite=trusty=any=names=libgraphicsmagick

Consider not to care about package names of a distro, but instead to
care about the needed build and runtime dependencies. Maybe what is
needed, is provided by other package names.

Also consider to post such requests to the Ubuntu users mailing list.

https://lists.ubuntu.com/mailman/listinfo/ubuntu-users

Regards,
Ralf


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