Public bug reported:
Have tested this successfully on other distros, used the same steps to
updating /etc/ssh/sshd_config but SSH will not honor the use of
~/.ssh/authorized_keys.
Simple test
mkdir -m 700 ~/.ssh
cd ~/.ssh
ssh-keygen -t rsa -b 4096
press enter to accept the defaults and empty passphrase
cp id_rsa.pub authorized_keys
ssh localhost /bin/date
works
mv id-rsa $(hostname -s)
mv id-rsa.pub $(hostname -s).pub
ssh localhost /bin/date
**fails. this works on CentOS, RHEL
ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: openssh-server 1:8.0p1-6build1
ProcVersionSignature: Ubuntu 5.3.0-1014.16-raspi2 5.3.10
Uname: Linux 5.3.0-1014-raspi2 aarch64
ApportVersion: 2.20.11-0ubuntu8.2
Architecture: arm64
Date: Sat Jan 4 12:42:58 2020
ExecutablePath: /usr/sbin/sshd
ProcEnviron:
LANG=C.UTF-8
PATH=(custom, no user)
SourcePackage: openssh
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: openssh (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug arm64 eoan
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https://bugs.launchpad.net/bugs/1858285
Title:
SSH not honoring use of ~/.ssh/authorized_keys
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