I forgot to memtion that 'ping' works ok with option '-4', like where pcname is defined in '/etc/hosts'

SoapBean, thank you for your investigations. NFS now also works for me (after expanding the modules and running 'depmod'). Great.

The '/etc/hosts' issue is still unresolved. It seems to be a busybox problem, as 'ping', 'telnet' et.al. programs are busybox-commends.
After installing 'telnet' fron ...

Thanks for your replies.

ping localhost was just an example. I cannot use any
name from /etc/hosts in any program (ftp, browser, ... ).
Current workaround for commandlines is to define symbols :
export PCNAME=192.168.0.x ; ping $PCNAME
(not really a solution).

It is ok for me, when Puppy does ...

1) my '/etc/hosts' is :

127.0.0.1 localhost puppypc klbos


192.168.0.11 klbf.klb.net klbf
192.168.0.1 klbx.klb.net klbx

2) loading nfs module failes :

{~] modprobe nfs
FATAL: Error inserting nfs (/lib/modules/2.6.21.7/kernel/fs/nfs/nfs.ko): Unknown symbol in module, or unknown parameter (see ...

In fact I started using 'zebuntu-mini' puplet, but also got same results
for the official Puppy v3.0.1.

Is there a different procedure for bugs ?

Thanks.

I have looked around for a while now, but could not find a solution.
So I hope someone can help me.

ping 127.0.0.1 works fine, but

sh-3.00# ping localhost
PING localhost (7f00:1:70b7:e4bf::): 56 data bytes
ping: can't create raw socket: Address family not supported by protocol
sh-3.00#

Same ...