[CentOS] x86_64 package mess ?

On Thu, Feb 18, 2010 at 7:12 AM, Niki Kovacs wrote:
Hi,

I just installed CentOS 5.4 on a 64bit-server. It's the first time I
work with this sort of hardware. Doing rpm -qa | sort | less shows that
most of the packages seem to be installed twice: once for i386
architecture, and then again for x86_64.

Is this normal? Or did I mess up something during install (thought I
wouldn't know what)?

Akemi Yagi a ?crit :
There is a FAQ about it:

http://wiki.centos.org/FAQ/General#head-357346ff0bf7c14b0849c3bcce39677aaca528e9

Niki Kovacs wrote:
Hi,

I just installed CentOS 5.4 on a 64bit-server. It's the first time I
work with this sort of hardware. Doing rpm -qa | sort | less shows that
most of the packages seem to be installed twice: once for i386
architecture, and then again for x86_64.

Is this normal? Or did I mess up something during install (thought I
wouldn't know what)?

Niki
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Niki Kovacs wrote:
Hi,

I just installed CentOS 5.4 on a 64bit-server. It's the first time I
work with this sort of hardware. Doing rpm -qa | sort | less shows that
most of the packages seem to be installed twice: once for i386
architecture, and then again for x86_64.

Is this normal? Or did I mess up something during install (thought I
wouldn't know what)?

The 32-bit packages are installed for backward-compatibility with any
32-bit programs you may want to run.

Regarding security, is it less safe to have these *.i386 packages
installed? (esp. on a server)
(according to the principle that "less is always more secure")