Thank you everyone, for your warm welcome and timely response. I downloaded the key from the download site and proceeded to verify it. But the public key was required so I ran the command to retrieve it: gpg --keyserver pgp.mit.edu --recv-keys 3CE464558A84FDC69DB40CFB090B11993D9AEBB5 which alas again returned the error: keyserver timed out keyserver recieve failed. I visited https://pgp.mit.edu/ to search the string 3CE464558A84FDC69DB40CFB090B11993D9AEBB5 ( I guessed this must be the string needed to be searched to extract the key) but that search returned "no such key found." I decided to proceed with the installations then, and wrote the command as root (by sudo -i ), to unpack the tarball in tmp folder: /# cd /tmp /# tar -xf guix-binary-0.9.0.x86_64-linux.tar.xz And this is what it returned: tar: guix-binary-0.9.0.x86_64-linux.tar.xz: Cannot open: No such file or directory I tried the same after saving the guix-binary-0.9.0.x86_64-linux.tar.xz in tmp folder but again the some result. I'm trying googling and finding solution to this for now. Any help is most welcomed. On Sat, Oct 6, 2018 at 10:53 AM Vagrant Cascadian wrote: > On 2018-10-05, Björn Höfling wrote: > > On Fri, 5 Oct 2018 16:28:08 +0200 > > Gábor Boskovits wrote: > >> namrata malkani ezt írta (időpont: 2018. okt. > >> 5., P 16:23): > ... > >> > But when I tried to download the .sig file, using the command > >> > > >> > wget > >> > ftp://alpha.gnu.org/gnu/guix/guix-binary-0.15.0.system.tar.xz.sig > >> > on my terminal, it returned an error: > >> > > >> > Connecting to alpha.gnu.org > >> > (alpha.gnu.org)|2001:4830:134:3::c|:21... failed: Network is > >> > unreachable. > > > > I checked the download-page and the links there are to the same server > > (alpha.gnu.org). Because you see a "Network unreachable" instead of a > > "file not found", I suppose your network does not permit > > FTP-connections (i.e. port 21 being blocked). > > Wild guess here, but might also be an issue in ipv6 routes, you could > try to force ipv4 with: > > wget -4 > ftp://alpha.gnu.org/gnu/guix/guix-binary-0.15.0.system.tar.xz.sig > > > live well, > vagrant >