Re: [qubes-users] Set Battery thresholds x230

2020-03-18 Thread Franz
On Wed, Mar 18, 2020 at 1:08 PM  wrote:

> On Wed, Mar 18, 2020 at 11:56:31AM -0300, Franz wrote:
> > When a laptop is always connected to power, e very good behavior to
> > strongly prolong battery life is to avoid charging it to 100% and
> limiting
> > it to lower threshold, perhaps 80%.
>
> i am using a (perl) script for doing this on my qubes chromebooks.
> trivial if you have ways to a) get the current battery level and
> b) control the charger (charge/idle/discharge).
>
>
> > The Fedora command is the following:
> > dnf install kernel-devel akmod-acpi_call
>
> mixing random custom kernel modules with a qubes kernel is unlikely
> to work. at all. even if you figure out how to install the pkgs.
>
> Thanks for replying, now I understand it is too difficult for me. I have
another x230 with arch and it worked immediately, so supposed Qubes only
required some trick, but now understand it is far beyond my capabilities.

Many thanks

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Re: [qubes-users] Set Battery thresholds x230

2020-03-18 Thread dhorf-hfref . 4a288f10
On Wed, Mar 18, 2020 at 11:56:31AM -0300, Franz wrote:
> When a laptop is always connected to power, e very good behavior to
> strongly prolong battery life is to avoid charging it to 100% and limiting
> it to lower threshold, perhaps 80%.

i am using a (perl) script for doing this on my qubes chromebooks.
trivial if you have ways to a) get the current battery level and 
b) control the charger (charge/idle/discharge).


> The Fedora command is the following:
> dnf install kernel-devel akmod-acpi_call

mixing random custom kernel modules with a qubes kernel is unlikely
to work. at all. even if you figure out how to install the pkgs.

depending on whats in these pkgs (does it have a Kconfig and can be 
built out of tree?) and what parts of it you actualy need rolling 
your own kernel-latest pkg may work.

and even if you have a working kernel+module combo it simply may not 
work under xen. (depends on what kind of interfaces it is using)


> Is there a way to get this working without compromising security?

depends on what you mean by "security" there.
did you review the code already?



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[qubes-users] Set Battery thresholds x230

2020-03-18 Thread Franz
When a laptop is always connected to power, e very good behavior to
strongly prolong battery life is to avoid charging it to 100% and limiting
it to lower threshold, perhaps 80%.

Thinkpads have this facility on linux. But the Fedora command for that is:
to first install tlp package which works with
sudo qubes-dom0-update tlp

then, it is required to install packages that are not availble from the
official Fedora repositories, instead you need RPM Fusion and TLP
repositories in a root shell.

The Fedora command is the following:
dnf install kernel-devel akmod-acpi_call

Is there a way to get this working without compromising security?
Best

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