Monday, February 13, 2017

linux - Debian 6 installer 32Bit vs. 64Bit


I am a little confused about the Debian installer. I chose the i386 release of Debian 6, downloaded the ISO and installed in a Core2-Quad with 4Gb of RAM. That lead me to a System with a 64Bit Kernel and a 32Bit environment (is that the correct word for it?).
Why would the installer chose to install a 64Bit Kernel, even if i386 installation media was explicitly selected?
Though it is easy to change the kernel manually after the installation is complete, I really would like to know if there is a good technical reason for selecting a 64Bit Kernel in this case.


Thanks in Advance.


Answer



The actually available kernels depend on the installation medium (architecture as well as disc type (minimal installer, dvd,...). The Installer selects a Kernel that fits the architecture. Expert install gives more control over the selection. (Having a 64bit architecture and >4GB makes you want the kernel to be 64bit.)


If one really needs the Kernel to be 32bit, it is easy to install whatever fits after the installer has completed. Just look for the available kernels:


#apt-cache search linux-image

And install what is needed, like:


#apt-get install linux-image-2.6.32-5-686-bigmem.

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