Broken Guide for Configuring DNS-Over-HTTPS on Pi-hole

root@odroid:~# apt-file search ld-linux-armhf.so.3
E: The cache is empty. You need to run "apt update" first.


root@odroid:~# apt update
Hit:1 http://ppa.launchpad.net/certbot/certbot/ubuntu bionic InRelease
Hit:2 http://apt.syncthing.net syncthing InRelease
Hit:3 http://ports.ubuntu.com/ubuntu-ports bionic InRelease
Get:4 http://ports.ubuntu.com/ubuntu-ports bionic-updates InRelease [88.7 kB]
Hit:7 http://deb.odroid.in/n2 bionic InRelease
Hit:8 http://archive.canonical.com/ubuntu bionic InRelease
Get:5 http://ports.ubuntu.com/ubuntu-ports bionic-backports InRelease [74.6 kB]
Get:6 http://ports.ubuntu.com/ubuntu-ports bionic-security InRelease [88.7 kB]
Get:9 http://ports.ubuntu.com/ubuntu-ports bionic/main armhf Packages [968 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Ign:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages
Ign:36 http://ports.ubuntu.com/ubuntu-ports bionic/restricted i386 Packages
Ign:37 http://ports.ubuntu.com/ubuntu-ports bionic/universe i386 Packages
Ign:38 http://ports.ubuntu.com/ubuntu-ports bionic/multiverse i386 Packages
Ign:39 http://ports.ubuntu.com/ubuntu-ports bionic-updates/main i386 Packages
Ign:40 http://ports.ubuntu.com/ubuntu-ports bionic-updates/restricted i386 Packages
Ign:41 http://ports.ubuntu.com/ubuntu-ports bionic-updates/universe i386 Packages
Ign:42 http://ports.ubuntu.com/ubuntu-ports bionic-updates/multiverse i386 Packages
Get:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Ign:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages
Ign:57 http://ports.ubuntu.com/ubuntu-ports bionic-backports/universe i386 Packages
Ign:58 http://ports.ubuntu.com/ubuntu-ports bionic-security/main i386 Packages
Ign:59 http://ports.ubuntu.com/ubuntu-ports bionic-security/restricted i386 Packages
Ign:60 http://ports.ubuntu.com/ubuntu-ports bionic-security/universe i386 Packages
Ign:61 http://ports.ubuntu.com/ubuntu-ports bionic-security/multiverse i386 Packages
Ign:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages
Ign:36 http://ports.ubuntu.com/ubuntu-ports bionic/restricted i386 Packages
Ign:37 http://ports.ubuntu.com/ubuntu-ports bionic/universe i386 Packages
Ign:38 http://ports.ubuntu.com/ubuntu-ports bionic/multiverse i386 Packages
Ign:39 http://ports.ubuntu.com/ubuntu-ports bionic-updates/main i386 Packages
Ign:40 http://ports.ubuntu.com/ubuntu-ports bionic-updates/restricted i386 Packages
Ign:41 http://ports.ubuntu.com/ubuntu-ports bionic-updates/universe i386 Packages
Ign:42 http://ports.ubuntu.com/ubuntu-ports bionic-updates/multiverse i386 Packages
Ign:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages
Ign:57 http://ports.ubuntu.com/ubuntu-ports bionic-backports/universe i386 Packages
Ign:58 http://ports.ubuntu.com/ubuntu-ports bionic-security/main i386 Packages
Ign:59 http://ports.ubuntu.com/ubuntu-ports bionic-security/restricted i386 Packages
Ign:60 http://ports.ubuntu.com/ubuntu-ports bionic-security/universe i386 Packages
Ign:61 http://ports.ubuntu.com/ubuntu-ports bionic-security/multiverse i386 Packages
Ign:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages
Ign:36 http://ports.ubuntu.com/ubuntu-ports bionic/restricted i386 Packages
Ign:37 http://ports.ubuntu.com/ubuntu-ports bionic/universe i386 Packages
Ign:38 http://ports.ubuntu.com/ubuntu-ports bionic/multiverse i386 Packages
Ign:39 http://ports.ubuntu.com/ubuntu-ports bionic-updates/main i386 Packages
Ign:40 http://ports.ubuntu.com/ubuntu-ports bionic-updates/restricted i386 Packages
Ign:41 http://ports.ubuntu.com/ubuntu-ports bionic-updates/universe i386 Packages
Ign:42 http://ports.ubuntu.com/ubuntu-ports bionic-updates/multiverse i386 Packages
Ign:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages
Ign:57 http://ports.ubuntu.com/ubuntu-ports bionic-backports/universe i386 Packages
Ign:58 http://ports.ubuntu.com/ubuntu-ports bionic-security/main i386 Packages
Ign:59 http://ports.ubuntu.com/ubuntu-ports bionic-security/restricted i386 Packages
Ign:60 http://ports.ubuntu.com/ubuntu-ports bionic-security/universe i386 Packages
Ign:61 http://ports.ubuntu.com/ubuntu-ports bionic-security/multiverse i386 Packages
Err:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages
  404  Not Found [IP: 2001:67c:1360:8001::22 80]
Ign:36 http://ports.ubuntu.com/ubuntu-ports bionic/restricted i386 Packages
Ign:37 http://ports.ubuntu.com/ubuntu-ports bionic/universe i386 Packages
Ign:38 http://ports.ubuntu.com/ubuntu-ports bionic/multiverse i386 Packages
Err:39 http://ports.ubuntu.com/ubuntu-ports bionic-updates/main i386 Packages
  404  Not Found [IP: 2001:67c:1360:8001::22 80]
Ign:40 http://ports.ubuntu.com/ubuntu-ports bionic-updates/restricted i386 Packages
Ign:41 http://ports.ubuntu.com/ubuntu-ports bionic-updates/universe i386 Packages
Ign:42 http://ports.ubuntu.com/ubuntu-ports bionic-updates/multiverse i386 Packages
Err:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages
  404  Not Found [IP: 2001:67c:1360:8001::22 80]
Ign:57 http://ports.ubuntu.com/ubuntu-ports bionic-backports/universe i386 Packages
Err:58 http://ports.ubuntu.com/ubuntu-ports bionic-security/main i386 Packages
  404  Not Found [IP: 2001:67c:1360:8001::22 80]
Ign:59 http://ports.ubuntu.com/ubuntu-ports bionic-security/restricted i386 Packages
Ign:60 http://ports.ubuntu.com/ubuntu-ports bionic-security/universe i386 Packages
Ign:61 http://ports.ubuntu.com/ubuntu-ports bionic-security/multiverse i386 Packages
Fetched 252 kB in 17s (15.0 kB/s)
Reading package lists... Done
N: Skipping acquire of configured file 'main/binary-armhf/Packages' as repository 'http://deb.odroid.in/n2 bionic InRelease' doesn't support architecture 'armhf'
N: Skipping acquire of configured file 'main/binary-i386/Packages' as repository 'http://deb.odroid.in/n2 bionic InRelease' doesn't support architecture 'i386'
E: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/bionic/main/binary-i386/Packages  404  Not Found [IP: 2001:67c:1360:8001::22 80]
E: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/bionic-updates/main/binary-i386/Packages  404  Not Found [IP: 2001:67c:1360:8001::22 80]
E: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/bionic-backports/main/binary-i386/Packages  404  Not Found [IP: 2001:67c:1360:8001::22 80]
E: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/bionic-security/main/binary-i386/Packages  404  Not Found [IP: 2001:67c:1360:8001::22 80]
E: Some index files failed to download. They have been ignored, or old ones used instead.
root@odroid:~# apt-file search ld-linux-armhf.so.3
E: The cache is empty. You need to run "apt update" first.
root@odroid:~# dpkg --print-architecture
arm64
root@odroid:~# dpkg --print-foreign-architectures
i386
armhf

Do you know why the architecture i386 was added ?
No binaries from that arch will run on Odroid except maybe if your into QEMU or some sort of virtualization.

So it looks like the repo's dont hold the library that cloudflared needs.
I can think of two choices.
Add a repository to your apt sources that holds the libc6:armhf package ... but can be tricky if its messing up too many dependencies.
Or maybe try Armbian as its using the official Debian repo's that do hold armhf packages.

Ps. to undo the adding of the armhf architecture:

sudo dpkg --remove-architecture armhf

sudo apt-get update

And check again:

dpkg --print-foreign-architectures

Wait a minute, you were suppose to run apt-file update first before do a apt-file search.
Are you sure you've done the two in the right order ?

Thank you very much for your help.

No, it was probably added by some How-To for other projects (e.g. nextcloud)

Yes

root@odroid:~# apt-get install apt-file
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
  libregexp-assemble-perl
The following NEW packages will be installed:
  apt-file libregexp-assemble-perl
0 upgraded, 2 newly installed, 0 to remove and 1 not upgraded.
Need to get 103 kB of archives.
After this operation, 288 kB of additional disk space will be used.
Do you want to continue? [Y/n] Y
Get:1 http://ports.ubuntu.com/ubuntu-ports bionic/universe arm64 libregexp-assemble-perl all 0.36-1 [77.5 kB]
Get:2 http://ports.ubuntu.com/ubuntu-ports bionic/universe arm64 apt-file all 3.1.5 [25.5 kB]
Fetched 103 kB in 0s (579 kB/s)
Selecting previously unselected package libregexp-assemble-perl.
(Reading database ... 88562 files and directories currently installed.)
Preparing to unpack .../libregexp-assemble-perl_0.36-1_all.deb ...
Unpacking libregexp-assemble-perl (0.36-1) ...
Selecting previously unselected package apt-file.
Preparing to unpack .../apt-file_3.1.5_all.deb ...
Unpacking apt-file (3.1.5) ...
Processing triggers for man-db (2.8.3-2ubuntu0.1) ...
Setting up libregexp-assemble-perl (0.36-1) ...
Setting up apt-file (3.1.5) ...
The system-wide cache is empty. You may want to run 'apt-file update'
as root to update the cache.
root@odroid:~# apt-file update
Hit:1 http://ports.ubuntu.com/ubuntu-ports bionic InRelease
Hit:2 http://archive.canonical.com/ubuntu bionic InRelease
Hit:4 http://apt.syncthing.net syncthing InRelease
Hit:5 http://ppa.launchpad.net/certbot/certbot/ubuntu bionic InRelease
Get:3 http://ports.ubuntu.com/ubuntu-ports bionic-updates InRelease [88.7 kB]
Get:6 http://ports.ubuntu.com/ubuntu-ports bionic-backports InRelease [74.6 kB]
Get:7 http://ports.ubuntu.com/ubuntu-ports bionic-security InRelease [88.7 kB]
Get:8 http://ports.ubuntu.com/ubuntu-ports bionic/main armhf Packages [968 kB]
Get:9 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Hit:11 http://deb.odroid.in/n2 bionic InRelease
Get:9 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:9 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Ign:9 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages
Get:14 http://ports.ubuntu.com/ubuntu-ports bionic i386 Contents (deb) [38.8 MB]
Get:15 http://ports.ubuntu.com/ubuntu-ports bionic armhf Contents (deb) [37.4 MB]
Get:15 http://ports.ubuntu.com/ubuntu-ports bionic armhf Contents (deb) [37.4 MB]
Get:15 http://ports.ubuntu.com/ubuntu-ports bionic armhf Contents (deb) [37.4 MB]
Get:15 http://ports.ubuntu.com/ubuntu-ports bionic armhf Contents (deb) [37.4 MB]
Get:15 http://ports.ubuntu.com/ubuntu-ports bionic armhf Contents (deb) [37.4 MB]
Get:20 http://ports.ubuntu.com/ubuntu-ports bionic arm64 Contents (deb) [37.8 MB]
Get:20 http://ports.ubuntu.com/ubuntu-ports bionic arm64 Contents (deb) [37.8 MB]
Ign:22 http://ports.ubuntu.com/ubuntu-ports bionic/restricted i386 Packages
Ign:23 http://ports.ubuntu.com/ubuntu-ports bionic/universe i386 Packages
Ign:24 http://ports.ubuntu.com/ubuntu-ports bionic/multiverse i386 Packages
Ign:9 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages
Ign:25 http://ports.ubuntu.com/ubuntu-ports bionic-updates/main i386 Packages
Get:26 http://ports.ubuntu.com/ubuntu-ports bionic-updates arm64 Contents (deb) [33.3 MB]
Get:26 http://ports.ubuntu.com/ubuntu-ports bionic-updates arm64 Contents (deb) [33.3 MB]
Get:26 http://ports.ubuntu.com/ubuntu-ports bionic-updates arm64 Contents (deb) [33.3 MB]
Get:26 http://ports.ubuntu.com/ubuntu-ports bionic-updates arm64 Contents (deb) [33.3 MB]
Get:26 http://ports.ubuntu.com/ubuntu-ports bionic-updates arm64 Contents (deb) [33.3 MB]
Get:26 http://ports.ubuntu.com/ubuntu-ports bionic-updates arm64 Contents (deb) [33.3 MB]
Get:26 http://ports.ubuntu.com/ubuntu-ports bionic-updates arm64 Contents (deb) [33.3 MB]
Get:33 http://ports.ubuntu.com/ubuntu-ports bionic-updates i386 Contents (deb) [28.9 MB]
Get:33 http://ports.ubuntu.com/ubuntu-ports bionic-updates i386 Contents (deb) [28.9 MB]
Get:35 http://ports.ubuntu.com/ubuntu-ports bionic-updates armhf Contents (deb) [31.9 MB]
Get:35 http://ports.ubuntu.com/ubuntu-ports bionic-updates armhf Contents (deb) [31.9 MB]
Get:35 http://ports.ubuntu.com/ubuntu-ports bionic-updates armhf Contents (deb) [31.9 MB]
Get:35 http://ports.ubuntu.com/ubuntu-ports bionic-updates armhf Contents (deb) [31.9 MB]
Get:35 http://ports.ubuntu.com/ubuntu-ports bionic-updates armhf Contents (deb) [31.9 MB]
Get:35 http://ports.ubuntu.com/ubuntu-ports bionic-updates armhf Contents (deb) [31.9 MB]
Get:35 http://ports.ubuntu.com/ubuntu-ports bionic-updates armhf Contents (deb) [31.9 MB]
Ign:42 http://ports.ubuntu.com/ubuntu-ports bionic-updates/restricted i386 Packages
Ign:43 http://ports.ubuntu.com/ubuntu-ports bionic-updates/universe i386 Packages
Ign:44 http://ports.ubuntu.com/ubuntu-ports bionic-updates/multiverse i386 Packages
Ign:45 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages
Get:46 http://ports.ubuntu.com/ubuntu-ports bionic-backports i386 Contents (deb) [8079 B]
Get:47 http://ports.ubuntu.com/ubuntu-ports bionic-backports arm64 Contents (deb) [8081 B]
Get:47 http://ports.ubuntu.com/ubuntu-ports bionic-backports arm64 Contents (deb) [8081 B]
Get:47 http://ports.ubuntu.com/ubuntu-ports bionic-backports arm64 Contents (deb) [8081 B]
Get:50 http://ports.ubuntu.com/ubuntu-ports bionic-backports armhf Contents (deb) [8082 B]
Ign:51 http://ports.ubuntu.com/ubuntu-ports bionic-backports/universe i386 Packages
Ign:52 http://ports.ubuntu.com/ubuntu-ports bionic-security/main i386 Packages
Get:53 http://ports.ubuntu.com/ubuntu-ports bionic-security armhf Contents (deb) [26.8 MB]
Get:53 http://ports.ubuntu.com/ubuntu-ports bionic-security armhf Contents (deb) [26.8 MB]
Get:53 http://ports.ubuntu.com/ubuntu-ports bionic-security armhf Contents (deb) [26.8 MB]
Get:53 http://ports.ubuntu.com/ubuntu-ports bionic-security armhf Contents (deb) [26.8 MB]
Get:57 http://ports.ubuntu.com/ubuntu-ports bionic-security arm64 Contents (deb) [28.0 MB]
Get:58 http://ports.ubuntu.com/ubuntu-ports bionic-security i386 Contents (deb) [24.2 MB]
Ign:59 http://ports.ubuntu.com/ubuntu-ports bionic-security/restricted i386 Packages
Ign:60 http://ports.ubuntu.com/ubuntu-ports bionic-security/universe i386 Packages
Ign:61 http://ports.ubuntu.com/ubuntu-ports bionic-security/multiverse i386 Packages
Ign:22 http://ports.ubuntu.com/ubuntu-ports bionic/restricted i386 Packages
Ign:23 http://ports.ubuntu.com/ubuntu-ports bionic/universe i386 Packages
Ign:24 http://ports.ubuntu.com/ubuntu-ports bionic/multiverse i386 Packages
Ign:9 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages
Ign:25 http://ports.ubuntu.com/ubuntu-ports bionic-updates/main i386 Packages
Ign:42 http://ports.ubuntu.com/ubuntu-ports bionic-updates/restricted i386 Packages
Ign:43 http://ports.ubuntu.com/ubuntu-ports bionic-updates/universe i386 Packages
Ign:44 http://ports.ubuntu.com/ubuntu-ports bionic-updates/multiverse i386 Packages
Ign:45 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages
Ign:51 http://ports.ubuntu.com/ubuntu-ports bionic-backports/universe i386 Packages
Ign:52 http://ports.ubuntu.com/ubuntu-ports bionic-security/main i386 Packages
Ign:59 http://ports.ubuntu.com/ubuntu-ports bionic-security/restricted i386 Packages
Ign:60 http://ports.ubuntu.com/ubuntu-ports bionic-security/universe i386 Packages
Ign:61 http://ports.ubuntu.com/ubuntu-ports bionic-security/multiverse i386 Packages
Ign:22 http://ports.ubuntu.com/ubuntu-ports bionic/restricted i386 Packages
Ign:23 http://ports.ubuntu.com/ubuntu-ports bionic/universe i386 Packages
Ign:24 http://ports.ubuntu.com/ubuntu-ports bionic/multiverse i386 Packages
Err:9 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages
  404  Not Found [IP: 2001:67c:1360:8001::22 80]
Ign:25 http://ports.ubuntu.com/ubuntu-ports bionic-updates/main i386 Packages
Ign:42 http://ports.ubuntu.com/ubuntu-ports bionic-updates/restricted i386 Packages
Ign:43 http://ports.ubuntu.com/ubuntu-ports bionic-updates/universe i386 Packages
Ign:44 http://ports.ubuntu.com/ubuntu-ports bionic-updates/multiverse i386 Packages
Ign:45 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages
Ign:51 http://ports.ubuntu.com/ubuntu-ports bionic-backports/universe i386 Packages
Ign:52 http://ports.ubuntu.com/ubuntu-ports bionic-security/main i386 Packages
Ign:59 http://ports.ubuntu.com/ubuntu-ports bionic-security/restricted i386 Packages
Ign:60 http://ports.ubuntu.com/ubuntu-ports bionic-security/universe i386 Packages
Ign:61 http://ports.ubuntu.com/ubuntu-ports bionic-security/multiverse i386 Packages
Err:25 http://ports.ubuntu.com/ubuntu-ports bionic-updates/main i386 Packages
  404  Not Found [IP: 2001:67c:1360:8001::22 80]
Ign:42 http://ports.ubuntu.com/ubuntu-ports bionic-updates/restricted i386 Packages
Ign:43 http://ports.ubuntu.com/ubuntu-ports bionic-updates/universe i386 Packages
Ign:44 http://ports.ubuntu.com/ubuntu-ports bionic-updates/multiverse i386 Packages
Err:45 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages
  404  Not Found [IP: 2001:67c:1360:8001::22 80]
Ign:51 http://ports.ubuntu.com/ubuntu-ports bionic-backports/universe i386 Packages
Err:52 http://ports.ubuntu.com/ubuntu-ports bionic-security/main i386 Packages
  404  Not Found [IP: 2001:67c:1360:8001::22 80]
Ign:59 http://ports.ubuntu.com/ubuntu-ports bionic-security/restricted i386 Packages
Ign:60 http://ports.ubuntu.com/ubuntu-ports bionic-security/universe i386 Packages
Ign:61 http://ports.ubuntu.com/ubuntu-ports bionic-security/multiverse i386 Packages
Fetched 287 MB in 4min 29s (1070 kB/s)
Reading package lists... Done
N: Skipping acquire of configured file 'main/binary-armhf/Packages' as repository 'http://deb.odroid.in/n2 bionic InRelease' doesn't support architecture 'armhf'
N: Skipping acquire of configured file 'main/binary-i386/Packages' as repository 'http://deb.odroid.in/n2 bionic InRelease' doesn't support architecture 'i386'
E: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/bionic/main/binary-i386/Packages  404  Not Found [IP: 2001:67c:1360:8001::22 80]
E: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/bionic-updates/main/binary-i386/Packages  404  Not Found [IP: 2001:67c:1360:8001::22 80]
E: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/bionic-backports/main/binary-i386/Packages  404  Not Found [IP: 2001:67c:1360:8001::22 80]
E: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/bionic-security/main/binary-i386/Packages  404  Not Found [IP: 2001:67c:1360:8001::22 80]
E: Some index files failed to download. They have been ignored, or old ones used instead.
root@odroid:~# apt-file search ld-linux-armhf.so.3
E: The cache is empty. You need to run "apt update" first.
root@odroid:~# apt update
Hit:1 http://ppa.launchpad.net/certbot/certbot/ubuntu bionic InRelease
Hit:2 http://apt.syncthing.net syncthing InRelease
Hit:3 http://ports.ubuntu.com/ubuntu-ports bionic InRelease
Get:4 http://ports.ubuntu.com/ubuntu-ports bionic-updates InRelease [88.7 kB]
Hit:7 http://deb.odroid.in/n2 bionic InRelease
Hit:8 http://archive.canonical.com/ubuntu bionic InRelease
Get:5 http://ports.ubuntu.com/ubuntu-ports bionic-backports InRelease [74.6 kB]
Get:6 http://ports.ubuntu.com/ubuntu-ports bionic-security InRelease [88.7 kB]
Get:9 http://ports.ubuntu.com/ubuntu-ports bionic/main armhf Packages [968 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages [1007 kB]
Ign:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages
Ign:36 http://ports.ubuntu.com/ubuntu-ports bionic/restricted i386 Packages
Ign:37 http://ports.ubuntu.com/ubuntu-ports bionic/universe i386 Packages
Ign:38 http://ports.ubuntu.com/ubuntu-ports bionic/multiverse i386 Packages
Ign:39 http://ports.ubuntu.com/ubuntu-ports bionic-updates/main i386 Packages
Ign:40 http://ports.ubuntu.com/ubuntu-ports bionic-updates/restricted i386 Packages
Ign:41 http://ports.ubuntu.com/ubuntu-ports bionic-updates/universe i386 Packages
Ign:42 http://ports.ubuntu.com/ubuntu-ports bionic-updates/multiverse i386 Packages
Get:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Ign:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages
Ign:57 http://ports.ubuntu.com/ubuntu-ports bionic-backports/universe i386 Packages
Ign:58 http://ports.ubuntu.com/ubuntu-ports bionic-security/main i386 Packages
Ign:59 http://ports.ubuntu.com/ubuntu-ports bionic-security/restricted i386 Packages
Ign:60 http://ports.ubuntu.com/ubuntu-ports bionic-security/universe i386 Packages
Ign:61 http://ports.ubuntu.com/ubuntu-ports bionic-security/multiverse i386 Packages
Ign:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages
Ign:36 http://ports.ubuntu.com/ubuntu-ports bionic/restricted i386 Packages
Ign:37 http://ports.ubuntu.com/ubuntu-ports bionic/universe i386 Packages
Ign:38 http://ports.ubuntu.com/ubuntu-ports bionic/multiverse i386 Packages
Ign:39 http://ports.ubuntu.com/ubuntu-ports bionic-updates/main i386 Packages
Ign:40 http://ports.ubuntu.com/ubuntu-ports bionic-updates/restricted i386 Packages
Ign:41 http://ports.ubuntu.com/ubuntu-ports bionic-updates/universe i386 Packages
Ign:42 http://ports.ubuntu.com/ubuntu-ports bionic-updates/multiverse i386 Packages
Ign:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages
Ign:57 http://ports.ubuntu.com/ubuntu-ports bionic-backports/universe i386 Packages
Ign:58 http://ports.ubuntu.com/ubuntu-ports bionic-security/main i386 Packages
Ign:59 http://ports.ubuntu.com/ubuntu-ports bionic-security/restricted i386 Packages
Ign:60 http://ports.ubuntu.com/ubuntu-ports bionic-security/universe i386 Packages
Ign:61 http://ports.ubuntu.com/ubuntu-ports bionic-security/multiverse i386 Packages
Ign:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages
Ign:36 http://ports.ubuntu.com/ubuntu-ports bionic/restricted i386 Packages
Ign:37 http://ports.ubuntu.com/ubuntu-ports bionic/universe i386 Packages
Ign:38 http://ports.ubuntu.com/ubuntu-ports bionic/multiverse i386 Packages
Ign:39 http://ports.ubuntu.com/ubuntu-ports bionic-updates/main i386 Packages
Ign:40 http://ports.ubuntu.com/ubuntu-ports bionic-updates/restricted i386 Packages
Ign:41 http://ports.ubuntu.com/ubuntu-ports bionic-updates/universe i386 Packages
Ign:42 http://ports.ubuntu.com/ubuntu-ports bionic-updates/multiverse i386 Packages
Ign:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages
Ign:57 http://ports.ubuntu.com/ubuntu-ports bionic-backports/universe i386 Packages
Ign:58 http://ports.ubuntu.com/ubuntu-ports bionic-security/main i386 Packages
Ign:59 http://ports.ubuntu.com/ubuntu-ports bionic-security/restricted i386 Packages
Ign:60 http://ports.ubuntu.com/ubuntu-ports bionic-security/universe i386 Packages
Ign:61 http://ports.ubuntu.com/ubuntu-ports bionic-security/multiverse i386 Packages
Err:10 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages
  404  Not Found [IP: 2001:67c:1360:8001::22 80]
Ign:36 http://ports.ubuntu.com/ubuntu-ports bionic/restricted i386 Packages
Ign:37 http://ports.ubuntu.com/ubuntu-ports bionic/universe i386 Packages
Ign:38 http://ports.ubuntu.com/ubuntu-ports bionic/multiverse i386 Packages
Err:39 http://ports.ubuntu.com/ubuntu-ports bionic-updates/main i386 Packages
  404  Not Found [IP: 2001:67c:1360:8001::22 80]
Ign:40 http://ports.ubuntu.com/ubuntu-ports bionic-updates/restricted i386 Packages
Ign:41 http://ports.ubuntu.com/ubuntu-ports bionic-updates/universe i386 Packages
Ign:42 http://ports.ubuntu.com/ubuntu-ports bionic-updates/multiverse i386 Packages
Err:43 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages
  404  Not Found [IP: 2001:67c:1360:8001::22 80]
Ign:57 http://ports.ubuntu.com/ubuntu-ports bionic-backports/universe i386 Packages
Err:58 http://ports.ubuntu.com/ubuntu-ports bionic-security/main i386 Packages
  404  Not Found [IP: 2001:67c:1360:8001::22 80]
Ign:59 http://ports.ubuntu.com/ubuntu-ports bionic-security/restricted i386 Packages
Ign:60 http://ports.ubuntu.com/ubuntu-ports bionic-security/universe i386 Packages
Ign:61 http://ports.ubuntu.com/ubuntu-ports bionic-security/multiverse i386 Packages
Fetched 252 kB in 17s (15.0 kB/s)
Reading package lists... Done
N: Skipping acquire of configured file 'main/binary-armhf/Packages' as repository 'http://deb.odroid.in/n2 bionic InRelease' doesn't support architecture 'armhf'
N: Skipping acquire of configured file 'main/binary-i386/Packages' as repository 'http://deb.odroid.in/n2 bionic InRelease' doesn't support architecture 'i386'
E: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/bionic/main/binary-i386/Packages  404  Not Found [IP: 2001:67c:1360:8001::22 80]
E: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/bionic-updates/main/binary-i386/Packages  404  Not Found [IP: 2001:67c:1360:8001::22 80]
E: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/bionic-backports/main/binary-i386/Packages  404  Not Found [IP: 2001:67c:1360:8001::22 80]
E: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/bionic-security/main/binary-i386/Packages  404  Not Found [IP: 2001:67c:1360:8001::22 80]
E: Some index files failed to download. They have been ignored, or old ones used instead.
root@odroid:~# apt-file search ld-linux-armhf.so.3
E: The cache is empty. You need to run "apt update" first.
1 Like

Aha, my mistake.
Did you run "apt update" from that last line before do the apt-file search again ?

1 Like

I removed i386 and armhf and readdded armhf again and ran the other commands. Now it is working.

root@odroid:~# sudo dpkg --remove-architecture armhf
root@odroid:~# apt-get update
Hit:1 http://archive.canonical.com/ubuntu bionic InRelease
Hit:2 http://apt.syncthing.net syncthing InRelease
Hit:3 http://ppa.launchpad.net/certbot/certbot/ubuntu bionic InRelease
Hit:4 http://ports.ubuntu.com/ubuntu-ports bionic InRelease
Get:5 http://ports.ubuntu.com/ubuntu-ports bionic-updates InRelease [88.7 kB]
Get:6 http://ports.ubuntu.com/ubuntu-ports bionic-backports InRelease [74.6 kB]
Get:7 http://ports.ubuntu.com/ubuntu-ports bionic-security InRelease [88.7 kB]
Hit:8 http://deb.odroid.in/n2 bionic InRelease
Ign:9 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic arm64 Contents (deb) [37.8 MB]
Get:11 http://ports.ubuntu.com/ubuntu-ports bionic i386 Contents (deb) [38.8 MB]
Get:12 http://ports.ubuntu.com/ubuntu-ports bionic/restricted i386 Packages [9156 B]
Get:12 http://ports.ubuntu.com/ubuntu-ports bionic/restricted i386 Packages [9156 B]
Get:12 http://ports.ubuntu.com/ubuntu-ports bionic/restricted i386 Packages [9156 B]
Get:12 http://ports.ubuntu.com/ubuntu-ports bionic/restricted i386 Packages [9156 B]
Get:12 http://ports.ubuntu.com/ubuntu-ports bionic/restricted i386 Packages [9156 B]
Get:12 http://ports.ubuntu.com/ubuntu-ports bionic/restricted i386 Packages [9156 B]
Get:12 http://ports.ubuntu.com/ubuntu-ports bionic/restricted i386 Packages [9156 B]
Get:12 http://ports.ubuntu.com/ubuntu-ports bionic/restricted i386 Packages [9156 B]
Get:12 http://ports.ubuntu.com/ubuntu-ports bionic/restricted i386 Packages [9156 B]
Get:12 http://ports.ubuntu.com/ubuntu-ports bionic/restricted i386 Packages [9156 B]
Ign:12 http://ports.ubuntu.com/ubuntu-ports bionic/restricted i386 Packages
Ign:23 http://ports.ubuntu.com/ubuntu-ports bionic/universe i386 Packages
Ign:24 http://ports.ubuntu.com/ubuntu-ports bionic/multiverse i386 Packages
Ign:9 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages
Ign:25 http://ports.ubuntu.com/ubuntu-ports bionic-updates/main i386 Packages
Ign:26 http://ports.ubuntu.com/ubuntu-ports bionic-updates/restricted i386 Packages
Ign:27 http://ports.ubuntu.com/ubuntu-ports bionic-updates/universe i386 Packages
Ign:28 http://ports.ubuntu.com/ubuntu-ports bionic-updates/multiverse i386 Packages
Get:29 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:29 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:29 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:29 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:29 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:29 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:29 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:29 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Get:29 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages [2516 B]
Ign:29 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages
Ign:39 http://ports.ubuntu.com/ubuntu-ports bionic-backports/universe i386 Packages
Ign:40 http://ports.ubuntu.com/ubuntu-ports bionic-security/main i386 Packages
Ign:41 http://ports.ubuntu.com/ubuntu-ports bionic-security/restricted i386 Packages
Ign:42 http://ports.ubuntu.com/ubuntu-ports bionic-security/universe i386 Packages
Ign:43 http://ports.ubuntu.com/ubuntu-ports bionic-security/multiverse i386 Packages
Ign:12 http://ports.ubuntu.com/ubuntu-ports bionic/restricted i386 Packages
Ign:23 http://ports.ubuntu.com/ubuntu-ports bionic/universe i386 Packages
Ign:24 http://ports.ubuntu.com/ubuntu-ports bionic/multiverse i386 Packages
Ign:9 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages
Ign:25 http://ports.ubuntu.com/ubuntu-ports bionic-updates/main i386 Packages
Ign:26 http://ports.ubuntu.com/ubuntu-ports bionic-updates/restricted i386 Packages
Ign:27 http://ports.ubuntu.com/ubuntu-ports bionic-updates/universe i386 Packages
Ign:28 http://ports.ubuntu.com/ubuntu-ports bionic-updates/multiverse i386 Packages
Ign:29 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages
Ign:39 http://ports.ubuntu.com/ubuntu-ports bionic-backports/universe i386 Packages
Ign:40 http://ports.ubuntu.com/ubuntu-ports bionic-security/main i386 Packages
Ign:41 http://ports.ubuntu.com/ubuntu-ports bionic-security/restricted i386 Packages
Ign:42 http://ports.ubuntu.com/ubuntu-ports bionic-security/universe i386 Packages
Ign:43 http://ports.ubuntu.com/ubuntu-ports bionic-security/multiverse i386 Packages
Ign:12 http://ports.ubuntu.com/ubuntu-ports bionic/restricted i386 Packages
Ign:23 http://ports.ubuntu.com/ubuntu-ports bionic/universe i386 Packages
Ign:24 http://ports.ubuntu.com/ubuntu-ports bionic/multiverse i386 Packages
Err:9 http://ports.ubuntu.com/ubuntu-ports bionic/main i386 Packages
  404  Not Found [IP: 2001:67c:1360:8001::22 80]
Ign:25 http://ports.ubuntu.com/ubuntu-ports bionic-updates/main i386 Packages
Ign:26 http://ports.ubuntu.com/ubuntu-ports bionic-updates/restricted i386 Packages
Ign:27 http://ports.ubuntu.com/ubuntu-ports bionic-updates/universe i386 Packages
Ign:28 http://ports.ubuntu.com/ubuntu-ports bionic-updates/multiverse i386 Packages
Ign:29 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages
Ign:39 http://ports.ubuntu.com/ubuntu-ports bionic-backports/universe i386 Packages
Ign:40 http://ports.ubuntu.com/ubuntu-ports bionic-security/main i386 Packages
Ign:41 http://ports.ubuntu.com/ubuntu-ports bionic-security/restricted i386 Packages
Ign:42 http://ports.ubuntu.com/ubuntu-ports bionic-security/universe i386 Packages
Ign:43 http://ports.ubuntu.com/ubuntu-ports bionic-security/multiverse i386 Packages
Err:25 http://ports.ubuntu.com/ubuntu-ports bionic-updates/main i386 Packages
  404  Not Found [IP: 2001:67c:1360:8001::22 80]
Ign:26 http://ports.ubuntu.com/ubuntu-ports bionic-updates/restricted i386 Packages
Ign:27 http://ports.ubuntu.com/ubuntu-ports bionic-updates/universe i386 Packages
Ign:28 http://ports.ubuntu.com/ubuntu-ports bionic-updates/multiverse i386 Packages
Err:29 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main i386 Packages
  404  Not Found [IP: 2001:67c:1360:8001::22 80]
Ign:39 http://ports.ubuntu.com/ubuntu-ports bionic-backports/universe i386 Packages
Err:40 http://ports.ubuntu.com/ubuntu-ports bionic-security/main i386 Packages
  404  Not Found [IP: 2001:67c:1360:8001::22 80]
Ign:41 http://ports.ubuntu.com/ubuntu-ports bionic-security/restricted i386 Packages
Ign:42 http://ports.ubuntu.com/ubuntu-ports bionic-security/universe i386 Packages
Ign:43 http://ports.ubuntu.com/ubuntu-ports bionic-security/multiverse i386 Packages
Fetched 252 kB in 18s (14.0 kB/s)
Reading package lists... Done
N: Skipping acquire of configured file 'main/binary-i386/Packages' as repository 'http://deb.odroid.in/n2 bionic InRelease' doesn't support architecture 'i386'
E: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/bionic/main/binary-i386/Packages  404  Not Found [IP: 2001:67c:1360:8001::22 80]
E: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/bionic-updates/main/binary-i386/Packages  404  Not Found [IP: 2001:67c:1360:8001::22 80]
E: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/bionic-backports/main/binary-i386/Packages  404  Not Found [IP: 2001:67c:1360:8001::22 80]
E: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/bionic-security/main/binary-i386/Packages  404  Not Found [IP: 2001:67c:1360:8001::22 80]
E: Some index files failed to download. They have been ignored, or old ones used instead.
root@odroid:~# dpkg --print-foreign-architectures
i386
root@odroid:~# sudo dpkg --remove-architecture i386
root@odroid:~# apt-get update
Hit:1 http://ppa.launchpad.net/certbot/certbot/ubuntu bionic InRelease
Hit:2 http://ports.ubuntu.com/ubuntu-ports bionic InRelease
Get:3 http://ports.ubuntu.com/ubuntu-ports bionic-updates InRelease [88.7 kB]
Hit:6 http://archive.canonical.com/ubuntu bionic InRelease
Hit:7 http://apt.syncthing.net syncthing InRelease
Get:4 http://ports.ubuntu.com/ubuntu-ports bionic-backports InRelease [74.6 kB]
Get:5 http://ports.ubuntu.com/ubuntu-ports bionic-security InRelease [88.7 kB]
Hit:8 http://deb.odroid.in/n2 bionic InRelease
Get:9 http://ports.ubuntu.com/ubuntu-ports bionic arm64 Contents (deb) [37.8 MB]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic-updates/universe Sources [258 kB]
Get:11 http://ports.ubuntu.com/ubuntu-ports bionic-updates/main Sources [289 kB]
Get:12 http://ports.ubuntu.com/ubuntu-ports bionic-updates/main arm64 Packages [549 kB]
Get:13 http://ports.ubuntu.com/ubuntu-ports bionic-updates arm64 Contents (deb) [33.3 MB]
Get:14 http://ports.ubuntu.com/ubuntu-ports bionic-updates/universe arm64 Packages [894 kB]
Get:15 http://ports.ubuntu.com/ubuntu-ports bionic-updates/universe Translation-en [305 kB]
Get:16 http://ports.ubuntu.com/ubuntu-ports bionic-backports/universe Sources [2480 B]
Get:17 http://ports.ubuntu.com/ubuntu-ports bionic-backports arm64 Contents (deb) [8081 B]
Get:18 http://ports.ubuntu.com/ubuntu-ports bionic-backports/universe arm64 Packages [4000 B]
Get:19 http://ports.ubuntu.com/ubuntu-ports bionic-backports/universe Translation-en [1856 B]
Get:20 http://ports.ubuntu.com/ubuntu-ports bionic-security/universe Sources [154 kB]
Get:21 http://ports.ubuntu.com/ubuntu-ports bionic-security/main Sources [117 kB]
Get:22 http://ports.ubuntu.com/ubuntu-ports bionic-security/main arm64 Packages [332 kB]
Get:23 http://ports.ubuntu.com/ubuntu-ports bionic-security arm64 Contents (deb) [28.0 MB]
Get:24 http://ports.ubuntu.com/ubuntu-ports bionic-security/universe arm64 Packages [529 kB]
Get:25 http://ports.ubuntu.com/ubuntu-ports bionic-security/universe Translation-en [195 kB]
Fetched 252 kB in 46s (5422 B/s)
Reading package lists... Done
root@odroid:~# dpkg --print-foreign-architectures
root@odroid:~# dpkg --add-architecture armhf
root@odroid:~# dpkg --print-foreign-architectures
armhf
root@odroid:~# apt-get update
Hit:1 http://ports.ubuntu.com/ubuntu-ports bionic InRelease
Hit:2 http://ports.ubuntu.com/ubuntu-ports bionic-updates InRelease
Hit:3 http://archive.canonical.com/ubuntu bionic InRelease
Hit:4 http://apt.syncthing.net syncthing InRelease
Hit:5 http://ppa.launchpad.net/certbot/certbot/ubuntu bionic InRelease
Hit:6 http://ports.ubuntu.com/ubuntu-ports bionic-backports InRelease
Hit:7 http://ports.ubuntu.com/ubuntu-ports bionic-security InRelease
Get:8 http://ports.ubuntu.com/ubuntu-ports bionic/main armhf Packages [968 kB]
Get:9 http://archive.canonical.com/ubuntu bionic/partner armhf Packages [548 B]
Get:10 http://ports.ubuntu.com/ubuntu-ports bionic armhf Contents (deb) [37.4 MB]
Get:11 http://apt.syncthing.net syncthing/release armhf Packages [1239 B]
Get:12 http://apt.syncthing.net syncthing/stable armhf Packages [1241 B]
Get:13 http://ppa.launchpad.net/certbot/certbot/ubuntu bionic/main armhf Packages [8020 B]
Hit:14 http://deb.odroid.in/n2 bionic InRelease
Get:15 http://ports.ubuntu.com/ubuntu-ports bionic/restricted armhf Packages [8360 B]
Get:16 http://ports.ubuntu.com/ubuntu-ports bionic/universe armhf Packages [8269 kB]
Get:17 http://ports.ubuntu.com/ubuntu-ports bionic/multiverse armhf Packages [129 kB]
Get:18 http://ports.ubuntu.com/ubuntu-ports bionic-updates/main armhf Packages [523 kB]
Get:19 http://ports.ubuntu.com/ubuntu-ports bionic-updates armhf Contents (deb) [31.9 MB]
Get:20 http://ports.ubuntu.com/ubuntu-ports bionic-updates/restricted armhf Packages [6720 B]
Get:21 http://ports.ubuntu.com/ubuntu-ports bionic-updates/universe armhf Packages [839 kB]
Get:22 http://ports.ubuntu.com/ubuntu-ports bionic-updates/multiverse armhf Packages [3572 B]
Get:23 http://ports.ubuntu.com/ubuntu-ports bionic-backports/main armhf Packages [2508 B]
Get:24 http://ports.ubuntu.com/ubuntu-ports bionic-backports armhf Contents (deb) [8082 B]
Get:25 http://ports.ubuntu.com/ubuntu-ports bionic-backports/universe armhf Packages [4004 B]
Get:26 http://ports.ubuntu.com/ubuntu-ports bionic-security/main armhf Packages [308 kB]
Get:27 http://ports.ubuntu.com/ubuntu-ports bionic-security armhf Contents (deb) [26.8 MB]
Get:28 http://ports.ubuntu.com/ubuntu-ports bionic-security/restricted armhf Packages [3968 B]
Get:29 http://ports.ubuntu.com/ubuntu-ports bionic-security/universe armhf Packages [478 kB]
Get:30 http://ports.ubuntu.com/ubuntu-ports bionic-security/multiverse armhf Packages [1924 B]
Fetched 108 MB in 1min 50s (980 kB/s)
Reading package lists... Done
N: Skipping acquire of configured file 'main/binary-armhf/Packages' as repository 'http://deb.odroid.in/n2 bionic InRelease' doesn't support architecture 'armhf'
root@odroid:~# apt-get install libc6:armhf
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
  gcc-8-base:armhf libgcc1:armhf
Suggested packages:
  glibc-doc:armhf locales:armhf
The following NEW packages will be installed:
  gcc-8-base:armhf libc6:armhf libgcc1:armhf
0 upgraded, 3 newly installed, 0 to remove and 1 not upgraded.
Need to get 2262 kB of archives.
After this operation, 9015 kB of additional disk space will be used.
Do you want to continue? [Y/n] Y
Get:1 http://ports.ubuntu.com/ubuntu-ports bionic-updates/main armhf gcc-8-base armhf 8.3.0-6ubuntu1~18.04.1 [18.7 kB]
Get:2 http://ports.ubuntu.com/ubuntu-ports bionic-updates/main armhf libgcc1 armhf 1:8.3.0-6ubuntu1~18.04.1 [37.1 kB]
Get:3 http://ports.ubuntu.com/ubuntu-ports bionic/main armhf libc6 armhf 2.27-3ubuntu1 [2207 kB]
Fetched 2262 kB in 2s (1185 kB/s)
Preconfiguring packages ...
Selecting previously unselected package gcc-8-base:armhf.
(Reading database ... 88606 files and directories currently installed.)
Preparing to unpack .../gcc-8-base_8.3.0-6ubuntu1~18.04.1_armhf.deb ...
Unpacking gcc-8-base:armhf (8.3.0-6ubuntu1~18.04.1) ...
Selecting previously unselected package libgcc1:armhf.
Preparing to unpack .../libgcc1_1%3a8.3.0-6ubuntu1~18.04.1_armhf.deb ...
Unpacking libgcc1:armhf (1:8.3.0-6ubuntu1~18.04.1) ...
Selecting previously unselected package libc6:armhf.
Preparing to unpack .../libc6_2.27-3ubuntu1_armhf.deb ...
Unpacking libc6:armhf (2.27-3ubuntu1) ...
Processing triggers for libc-bin (2.27-3ubuntu1) ...
Setting up gcc-8-base:armhf (8.3.0-6ubuntu1~18.04.1) ...
Setting up libgcc1:armhf (1:8.3.0-6ubuntu1~18.04.1) ...
Setting up libc6:armhf (2.27-3ubuntu1) ...
Processing triggers for libc-bin (2.27-3ubuntu1) ...
root@odroid:~# ./cloudflared
NAME:
   cloudflared - Cloudflare's command-line tool and agent

USAGE:
   cloudflared [global options] command [command options] origin-url

VERSION:
   2019.8.1 (built 2019-08-06-2142 UTC)

DESCRIPTION:
   cloudflared connects your machine or user identity to Cloudflare's global network.
  You can use it to authenticate a session to reach an API behind Access, route web traffic to this machine,
  and configure access control.

COMMANDS:
     update     Update the agent if a new version exists
     version    Print the version
     proxy-dns  Run a DNS over HTTPS proxy server.
     service    Manages the Argo Tunnel system service
     help, h    Shows a list of commands or help for one command
   Access (BETA):
     access  access <subcommand>
   Tunnel:
     tunnel  Make a locally-running web service accessible over the internet using Argo Tunnel.

GLOBAL OPTIONS:
   --help, -h         show help (default: false)
   --version, -v, -V  Print the version (default: false)

COPYRIGHT:
   (c) 2019 Cloudflare Inc.
   Your installation of cloudflared software constitutes a symbol of your signature indicating that you accept
   the terms of the Cloudflare License (https://developers.cloudflare.com/argo-tunnel/license/),
   Terms (https://www.cloudflare.com/terms/) and Privacy Policy (https://www.cloudflare.com/privacypolicy/).
root@odroid:~# ./cloudflared --version
cloudflared version 2019.8.1 (built 2019-08-06-2142 UTC)
root@odroid:~#

Good job :ok_hand:

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