Cookie Consent by Free Privacy Policy Generator 📌 SSH Permission denied (publickey)


✅ SSH Permission denied (publickey)


💡 Newskategorie: Linux Tipps
🔗 Quelle: reddit.com

Hey all, stupid question. I'm trying to SSH into a server. SSH is open on the server, and it's running OpenSSH 8.2p1 Ubuntu.

I have the server's private key and the public key to login, but I keep getting a "Permission denied (publickey)" error. Permissions look to be right on both the public (644) and private key (600).

ssh -i privatekey.pem adminuser@<server IP> -v

OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.8 7 Feb 2023

debug1: Reading configuration data /etc/ssh/ssh_config

debug1: /etc/ssh/ssh_config line 19: include /etc/ssh/ssh_config.d/*.conf matched no files

debug1: /etc/ssh/ssh_config line 21: Applying options for *

debug1: Connecting to <server IP> [<server IP>] port 22.

debug1: Connection established.

debug1: identity file privatekey.pem type -1

debug1: identity file privatekey.pem-cert type -1

debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2

debug1: Remote protocol version 2.0, remote software version OpenSSH_8.2p1 Ubuntu-4ubuntu0.2

debug1: compat_banner: match: OpenSSH_8.2p1 Ubuntu-4ubuntu0.2 pat OpenSSH* compat 0x04000000

debug1: Authenticating to <server IP>:22 as 'adminuser'

debug1: load_hostkeys: fopen /root/.ssh/known_hosts2: No such file or directory

debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts: No such file or directory

debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts2: No such file or directory

debug1: SSH2_MSG_KEXINIT sent

debug1: SSH2_MSG_KEXINIT received

debug1: kex: algorithm: curve25519-sha256

debug1: kex: host key algorithm: ssh-ed25519

debug1: kex: server->client cipher: [[email protected]](mailto:[email protected]) MAC: <implicit> compression: none

debug1: kex: client->server cipher: [[email protected]](mailto:[email protected]) MAC: <implicit> compression: none

debug1: expecting SSH2_MSG_KEX_ECDH_REPLY

debug1: SSH2_MSG_KEX_ECDH_REPLY received

debug1: Server host key: ssh-ed25519 SHA256:QRQAK9bf8ARkDREdkUW6662o06Ixal9fqmiVhm9J88Y

debug1: load_hostkeys: fopen /root/.ssh/known_hosts2: No such file or directory

debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts: No such file or directory

debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts2: No such file or directory

debug1: Host '<server IP>' is known and matches the ED25519 host key.

debug1: Found key in /root/.ssh/known_hosts:6

debug1: rekey out after 134217728 blocks

debug1: SSH2_MSG_NEWKEYS sent

debug1: expecting SSH2_MSG_NEWKEYS

debug1: SSH2_MSG_NEWKEYS received

debug1: rekey in after 134217728 blocks

debug1: Will attempt key: privatekey.pem explicit

debug1: SSH2_MSG_EXT_INFO received

debug1: kex_input_ext_info: server-sig-algs=<[ssh-ed25519,[email protected]](mailto:ssh-ed25519,[email protected])[,ssh-rsa,rsa-sha2-256,rsa-sha2-512,ssh-dss,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,[email protected]](mailto:,ssh-rsa,rsa-sha2-256,rsa-sha2-512,ssh-dss,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,[email protected])>

debug1: SSH2_MSG_SERVICE_ACCEPT received

debug1: Authentications that can continue: publickey

debug1: Next authentication method: publickey

debug1: Trying private key: privatekey.pem

Enter passphrase for key 'privatekey.pem':

debug1: Authentications that can continue: publickey

debug1: No more authentication methods to try.

adminuser@<server IP>: Permission denied (publickey).

Any help would be highly appreciated.

submitted by /u/youthpastor247
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