Re: migration from RedHat to Debian, general question about Debian (dpkg, kernel, config)

[Roberto Sanchez <rcsanchez97@yahoo.es>]

Valentine Kouznetsov wrote:
> Hi,
> I'm trying to migrate from RedHat to Debian and face
> out with few problems. I'll be glad to resolve them
> with your help.
>
> Question about dpkg:
> 1) dpkg is great, but I cannot figure out one
> simple/usefull procedure. Let's assume I install one
> package and have file /usr/bin/my. Is is possible to
> figure out using dpkg or similar tool to which package
> /usr/bin/my belong to. On RedHat I just invoke rpm -qf
> /usr/bin/my and get back package name. 

Fram the man page:

dpkg -L | --listfiles package ...
        List files installed to your system from package.

> 2) Is it possible to check status of installed
> software, what has been changed from original package,
> etc. On RedHat it is rpm -V <package>
Not sure what you are asking here.

> Questions about kernel:
> This is very weird, but I can't get cdrom working with
> my custom kernel. Here what I did.
> apt-get install kernel-source-2.4.22
> apt-get install kernel-patch-2.4.22
> unpack kernel, applied debian patches
The kernel source from the Debian archive already has the Debian
patches applied.

> (/usr/src/kernel-patch/all/2.4.22/apply/debian), then
> applied other patches, in particular swsuspend. Then I
> configure my kernel as necessary with config from
> either RedHat or Debian, The only basic difference I
> made is instead of compiling as modules CONFIG_IDE,
> CONFIG_BLK_DEV_IDE, CONFIG_BLK_DEV_IDEDISK I put then
> to be compiled into kernel. Well, install kernel and
> got surprise that mounting cdrom I have "can't read
> superblock".
> Any ideas?
What mount options are you using?

> Question about configuration:
> Where the natural place to put my own scripts while
> booting to Debian. On RedHat it was /etc/rc.d/rc.local
> What is equivalent on Debian?
Just put your script in /etc/init.d/ and symlink it to
whatever runlevel directories you need (like /etc/rc2.d/)

> Where correctly put aliases for modules, there so many
> config file for modules on Debian?
Either in /etc/modules.conf or in a file in /etc/modutils/
(it depends on your setup).
> About runlevels, what the meaning of 2,3,4,5 runlevels
> on Debian. On RedHat 3 is equivalent to 2 on Debian?
Basically, butyou can customize them.

> Thank you,
> Valentine.

-Roberto

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