TODOs for grml-terminalserver
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  * udhcp client "timeout" ( --background + in linuxrc 10s warten bis IP kommt, wenn schon ip vorhanden sofort weitermachen).
  * resolv.conf should be copied from the initrd
  * DON'T delete /var/lib/tftpdboot on a !grml-system
  * config vars to use external services (dhcp, tftp, nfs)
  * make pxelinux configurable (to use another pxe-boot-manager) (MAYBE)
  * default dhcp range not from 0.1-254 but from 0.2-253
  * fix problem with nvidia NICs (forcedeath)
  * maybe dump discover + libuclibc in favour of hwinfo + libc (space?) => discover is not used currently, JFYI