Re: [Tails-dev] [Grml-devel] Shared screen locking solution for live distributions in Debian

2015-01-03 Thread Michael Prokop
* Julien Jehannet [Fri Jan 02, 2015 at 04:19:10PM +0100]:
 2015-01-02 13:41 GMT+01:00 Evgeni Golov evg...@grml.org:

  On Fri, Jan 02, 2015 at 11:20:35AM +, sajolida wrote:

   I've been investigating the screen locking mechanism of those various
   Debian based live distributions, and I found out that none of them had
   a real mechanism to do so. They either:

 - Do not provide any screen locking mechanism (Knoppix, Grml,
   Jondo Live).

  Grml has grml-lock[1], you should have set a proper password before
  using it, obviously ;)

grml-lock actually checks if a password is set and if that's not the
case then grml-lock prompts for setting one (to avoid locking
yourself out).

 FYI, note that Debian disabled the --new switch in vlock which limit now
 the desktop locking capability.

 Here is what you can read in the NEWS file:
  vlock (2.2.2-4) unstable; urgency=medium
This update disables the new.so plugin and thus the --new switch,
 because it
proved too hard to fix it properly. See #702705.

 See also:
 Debian Bug report logs - #702705
 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=702705

Meh, how sad. Thanks for the pointer, Julien.

regards,
-mika-


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Re: [Tails-dev] [Grml-devel] Shared screen locking solution for live distributions in Debian

2015-01-03 Thread sajolida
Axel Beckert:
   - Do not provide any screen locking mechanism (Knoppix, Grml,
 Jondo Live).
 
 At least for grml, that's wrong. grml-full ships vlock which can lock
 all consoles (and switching back to X) at once with the option -a.

Right. I tried both grml-lock as advertised by Evgeni and vlock as
advertised by you.

Actually, grml-lock provides a similar user experience as the one that
we imagined for Tails: if you didn't set a password it asks for one
before locking the screen.

On the other hand as Julien pointed out, the --new option of vlock is
broken right now and as a consequence grml-lock doesn't work. Both in a
console and in X it errors with vlock: loading plugin 'new' failed: No
such file or directory. Shall I report a Grml bug about that?

-- 
sajolida
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Re: [Tails-dev] [Grml-devel] Shared screen locking solution for live distributions in Debian

2015-01-02 Thread Axel Beckert
Hi,

On Fri, Jan 02, 2015 at 11:20:35AM +, sajolida wrote:
 I'm part of the people working on Tails, a live distribution that aims
 at preserving privacy and anonymity: https://tails.boum.org/. Tails is
 currently lacking a screen locker and this has been a frequent feature
 request. See https://labs.riseup.net/code/issues/5684.
[...]
 I've been investigating the screen locking mechanism of those various
 Debian based live distributions, and I found out that none of them had
 a real mechanism to do so. They either:
 
   - Do not provide any screen locking mechanism (Knoppix, Grml,
 Jondo Live).

At least for grml, that's wrong. grml-full ships vlock which can lock
all consoles (and switching back to X) at once with the option -a.

I though don't know if it works from under X, but it works fine if you
switch to a text console first, e.g. with Ctrl-Alt-F1.

 What do you think? Please answer to tails-dev@boum.org and feel free to
 subscribe to the list to follow the thread:

Cc'ed, but didn't subscribe.

Regards, Axel
-- 
 ,''`.  |  Axel Beckert a...@debian.org, http://people.debian.org/~abe/
: :' :  |  Debian Developer, ftp.ch.debian.org Admin
`. `'   |  4096R: 2517 B724 C5F6 CA99 5329  6E61 2FF9 CD59 6126 16B5
  `-|  1024D: F067 EA27 26B9 C3FC 1486  202E C09E 1D89 9593 0EDE
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Re: [Tails-dev] [Grml-devel] Shared screen locking solution for live distributions in Debian

2015-01-02 Thread Julien Jehannet
2015-01-02 13:41 GMT+01:00 Evgeni Golov evg...@grml.org:

 Hi,

 On Fri, Jan 02, 2015 at 11:20:35AM +, sajolida wrote:

  I've been investigating the screen locking mechanism of those various
  Debian based live distributions, and I found out that none of them had
  a real mechanism to do so. They either:
 
- Do not provide any screen locking mechanism (Knoppix, Grml,
  Jondo Live).

 Grml has grml-lock[1], you should have set a proper password before
 using it, obviously ;)


FYI, note that Debian disabled the --new switch in vlock which limit now
the desktop locking capability.

Here is what you can read in the NEWS file:
 vlock (2.2.2-4) unstable; urgency=medium
   This update disables the new.so plugin and thus the --new switch,
because it
   proved too hard to fix it properly. See #702705.

See also:
Debian Bug report logs - #702705
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=702705
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Re: [Tails-dev] [Grml-devel] Shared screen locking solution for live distributions in Debian

2015-01-02 Thread Evgeni Golov
Hi,

On Fri, Jan 02, 2015 at 11:20:35AM +, sajolida wrote:

 I've been investigating the screen locking mechanism of those various
 Debian based live distributions, and I found out that none of them had
 a real mechanism to do so. They either:
 
   - Do not provide any screen locking mechanism (Knoppix, Grml,
 Jondo Live).

Grml has grml-lock[1], you should have set a proper password before 
using it, obviously ;)

Greets
Evgeni

[1] https://github.com/grml/grml-scripts/blob/master/usr_bin/grml-lock

-- 
Bruce Schneier can read and understand Perl programs.
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