[mod][root][needs init.d enabled kernel]
Change Hostname:


$ su
# vi /system/etc/init.d/99hostname

Type in


#!/system/bin/sh
setprop net.hostname tablethostname

Save the file, reboot.
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[mod][root]
Change System DNS Servers:


$ su
# vi /system/etc/resolv.conf

If the file does not exist or is empty, just create it.

Type in


nameserver 8.8.8.8
nameserver 8.8.4.4

Those are google DNS servers, or specify your own.
Save file, possibly reboot tablet.
———————-