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Qt-interest Archive, July 2006
RE: Linux System Registry.

Message 1 in thread

> There is one thing, that wasn't mentioned so far. The
registry-approach
> chains you to exactly one configuration set per application (well -
> actually it's one per user on windows). There is no real way to store
> different configuration sets in a registry.

Erm, it's trivial to build that in.  For instance, we use the concept of
a site name, which allows multiple installations of the same product for
different clients, completely separating all settings.

C:\Program Files\OurCompany\Site\cust1\OurProduct
C:\Program Files\OurCompany\Site\cust2\OurProduct

In the registry, this translates to:

HK(LM|CU)\Software\OurCompany\Site\cust1\OurProduct
HK(LM|CU)\Software\OurCompany\Site\cust2\OurProduct

Abstract an interface to your settings that takes care of discerning the
site name and constructing the relevant QSettings object, and wallah,
different configuration sets.

	Trent.

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Message 2 in thread

> And if MS would pull there heads out of their arses and allow
> for true multi-user, where your cmd prompt could be easily switched
> to another user.  And if the app required admin, it would simply 
> make a win32 call saying get admin privs, where the user had to
> enter in the admin password.... Like unix can do...

C:\>runas /?
RUNAS USAGE:

RUNAS [ [/noprofile | /profile] [/env] [/netonly] ]
        /user:<UserName> program

RUNAS [ [/noprofile | /profile] [/env] [/netonly] ]
        /smartcard [/user:<UserName>] program

   /noprofile        specifies that the user's profile should not be
loaded.
                     This causes the application to load more quickly,
but
                     can cause some applications to malfunction.
   /profile          specifies that the user's profile should be loaded.
                     This is the default.
   /env              to use current environment instead of user's.
   /netonly          use if the credentials specified are for remote
                     access only.
   /savecred         to use credentials previously saved by the user.
                     This option is not available on Windows XP Home
Edition
                     and will be ignored.
   /smartcard        use if the credentials are to be supplied from a
                     smartcard.
   /user             <UserName> should be in form USER@DOMAIN or
DOMAIN\USER
   program         command line for EXE.  See below for examples

Examples:
> runas /noprofile /user:mymachine\administrator cmd
> runas /profile /env /user:mydomain\admin "mmc
%windir%\system32\dsa.msc"
> runas /env /user:user@xxxxxxxxxxxxxxxxxxxx "notepad \"my file.txt\""

NOTE:  Enter user's password only when prompted.
NOTE:  USER@DOMAIN is not compatible with /netonly.
NOTE:  /profile is not compatible with /netonly.

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Message 3 in thread

On Thursday 29 June 2006 03:42 am, Daniel Walz wrote:
> Mukesh K. Srivastava schrieb:
> > [...]
> > The query is -
> >  - Does Linux OS requires SYSTEM REGISTRY like win32
> >    family of OS where SYSTEM REGISTRY can be done?
> >  - If YES, what are the steps to be taken care?
> >  - If NO, what forbids Linux to have SYSTEM REGISTRY?
>
> Hi all,
>
> what was not mentioned so far:
> Linux has some sort of registry, so called X-resources. [...]

Linux also has two separate implementations of the Windows registry that don't 
talk to each other:  the one in Mono (the Microsoft.Win32.Registry 
and .RegistryKey classes) and the one in Wine (RegCreateKey() etc.).  

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Message 4 in thread

On Thu, Jul 06, David Lee Lambert wrote:

> On Thursday 29 June 2006 03:42 am, Daniel Walz wrote:
> > Mukesh K. Srivastava schrieb:
> > > [...]
> > > The query is -
> > >  - Does Linux OS requires SYSTEM REGISTRY like win32
> > >    family of OS where SYSTEM REGISTRY can be done?
> > >  - If YES, what are the steps to be taken care?
> > >  - If NO, what forbids Linux to have SYSTEM REGISTRY?
> >
> > Hi all,
> >
> > what was not mentioned so far:
> > Linux has some sort of registry, so called X-resources. [...]
> 
> Linux also has two separate implementations of the Windows registry that don't 
> talk to each other:  the one in Mono (the Microsoft.Win32.Registry 
> and .RegistryKey classes) and the one in Wine (RegCreateKey() etc.).  
> 

Linux is the operating system. Both Mono and Wine can be considered as
applications here.

host specific configuration should go to /etc in Linux, if the
distribution is LSB certified:

http://www.pathname.com/fhs/pub/fhs-2.3.html#ETCHOSTSPECIFICSYSTEMCONFIGURATION


Best,

        Uwe 

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