Re: Error cannot open Packages index using db3

[Pellegrini Giuliano <gp1 ideainformatica com>]

Panu Matilainen wrote:

> On Fri, 26 Jul 2002, Pellegrini Giuliano wrote:
>
> >  Hi all,
> >
> > I have created a simple rpm, but I have a problem with %post.
> >
> > My spec file is :
> >
> > ...
> >
> > %post
> >
> > rpm -q sendmail
> >
> > I can build the packeges but when I try to install with rpm -ivh I have
> > this message:
> >
> > cannot get shared lock on /var/lib/rpm/Packages
> >
> > cannot open Packages index using db3 - Operation not permited(1)
> >
> > --> The rpm database cannot be opened in db3 format.
> >     If you have just upgraded the rpm package you need to convert
> >     your database to db3 format by running "rpm --rebuilddb" as root.
> >
> > If I comment the line:
> >
> > rpm -q sendmail in the %post section, I haven't nothing errors.
> >
> > Where is the problem ?
> > Is impossible to call a rpm query in the %post section ?
>
> Yes, it's impossible in current rpm because the install process has locked
> the entire rpm database -> you can't even read from tge db. RPM 4.1 allows
> concurrent access to the database I believe but that wont help you for
> now...
>
> What's the problem you're trying to solve with that query?
>

Thank for your reply Panu!

I have created a package that optimzing the qmail installation and so after
the installation I would like test if exist another mta server like sendmail.

If exist I stop daemon, and change /usr/lib/sendmail and newaliases to qmail
binary.

How can I verifiy if exist sendmail or another mta ?

Thank!



>
> --
>         - Panu -
>
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