sudo nix-channel --update 
unpacking channels...
/nix/store/mm0w8jc58rn01c4kz2n9jvwd6bibcihs-xz-5.2.4-bin/bin/xz: (stdin): Compressed data is corrupt
/nix/store/g7dr83wnkx4gxa5ykcljc5jg04416z60-gnutar-1.32/bin/tar: Unexpected EOF in archive
/nix/store/g7dr83wnkx4gxa5ykcljc5jg04416z60-gnutar-1.32/bin/tar: Unexpected EOF in archive
/nix/store/g7dr83wnkx4gxa5ykcljc5jg04416z60-gnutar-1.32/bin/tar: Error is not recoverable: exiting now
builder for '/nix/store/vwfydlkcmk65ghlw6l94g0456hv07i6z-nixos-20.09beta1322.ba2ec4867d7.drv' failed with exit code 2
error: build of '/nix/store/vwfydlkcmk65ghlw6l94g0456hv07i6z-nixos-20.09beta1322.ba2ec4867d7.drv' failed
error: program '/nix/store/jbryisjscy1mrkfnk8zqgcqynxbvrhci-nix-2.3.6/bin/nix-env' failed with exit code 100

[danieljour@nixos:/mnt/vm-shared/icd-library]$ sudo nix-channel --list
[sudo] password for danieljour: 
nixos https://nixos.org/channels/nixos-20.09

[danieljour@nixos:/mnt/vm-shared/icd-library]$ curl https://nixos.org/channels/nixos-20.09
Redirecting to https://channels.nixos.org/nixos-20.09