I'm trying to set up a custom installation of CentOS using kickstart i tried many thing from how to's and tutorial web pages but nothing worked ;( Here is my USB key tree : |-- CentOS | |-- all my rpms | `-- last rpm |-- TRANS.TBL |-- boot.cat |-- boot.msg |-- custom.iso |-- general.msg |-- images | |-- README | |-- TRANS.TBL | |-- boot.iso | |-- diskboot.img | |-- minstg2.img | |-- pxeboot | | |-- README | | |-- TRANS.TBL | | |-- initrd.img | | `-- vmlinuz | |-- stage2.img | `-- xen | |-- TRANS.TBL | |-- initrd.img | `-- vmlinuz |-- initrd.img |-- ks | |-- TRANS.TBL | `-- ks.cfg |-- ldlinux.sys |-- memtest |-- options.msg |-- package-ipbx | `-- packages for postinstall |-- param.msg |-- repodata | |-- TRANS.TBL | |-- comps.xml | |-- filelists.xml.gz | |-- other.xml.gz | |-- primary.xml.gz | `-- repomd.xml |-- rescue.msg |-- splash.lss |-- syslinux.cfg |-- syslinux.cfg~ `-- vmlinuz I install syslinux on the USB key and also use the following command : dd if=/dev/sdb of=/tmp/mbr_sdb.bin bs=512 count=1 I tried to install CentOS from my USB key but it says : Title : "Missing ISO 9660" Content : "The installer has tried to mount image #1,but cannot find it on the hard drive ... " -- Greetings, Georghy FUSCO