apt-get install linux-image-2.6.20-1-486 Reading package lists... Done Building dependency tree... Done Suggested packages: linux-doc-2.6.20 The following NEW packages will be installed: linux-image-2.6.20-1-486 0 upgraded, 1 newly installed, 0 to remove and 643 not upgraded. Need to get 0B/17.4MB of archives. After unpacking 53.6MB of additional disk space will be used. Preconfiguring packages ... Selecting previously deselected package linux-image-2.6.20-1-486. (Reading database ... 99804 files and directories currently installed.) Unpacking linux-image-2.6.20-1-486 (from .../linux-image-2.6.20-1-486_2.6.20-3_i386.deb) ... Could not find mkinitramfs-kpkg mkinitrd.yaird. at /var/lib/dpkg/tmp.ci/preinst line 240, line 9. Done. Setting up linux-image-2.6.20-1-486 (2.6.20-3) ... Running depmod. Finding valid ramdisk creators. Failed to find suitable ramdisk generation tool for kernel version 2.6.20-1-486 on running kernel 2.6.20-1-686 in mkinitramfs-kpkg mkinitrd.yaird dpkg: error processing linux-image-2.6.20-1-486 (--configure): subprocess post-installation script returned error exit status 9 Errors were encountered while processing: linux-image-2.6.20-1-486 E: Sub-process /usr/bin/dpkg returned an error code (1)