Actually, the address is adjusted to Match the currently installed system so it is correct.
The script tests for both txz and tar.xz, as
A result one will always fail.
With linux-kernel-env.tcz loaded and an internet connection established please post the complete output of
sh -x linux-kernel-env.sh
Please wrap with code tags to make the post more readable
Thanks
Additionally the tool assumes a valid internet connection before running, you might try that also.
Sent from my iPhone using Tapatalk