[Dirvish] Setting up new backup

Thu Oct 24 13:24:39 UTC 2019

On Thu, 24 Oct 2019, Paul Slootman wrote:

> Note you're not doing what Wes suggested. You're missing the path to the
> identity file, which is OK if your current directory is /root/.ssh .

Paul,

I happened to be in root/s .ssh/ directory when I ran the command.

> First with, and the without the path?

With the absolute path:
# ssh -vi /root/.ssh/id_ed25519 localhost 
OpenSSH_7.4p1, OpenSSL 1.0.2t  10 Sep 2019
debug1: Reading configuration data /root/.ssh/config
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Connecting to localhost [127.0.0.1] port <redacted>.
debug1: Connection established.
debug1: permanently_set_uid: 0/0
debug1: identity file id_ed25519 type 4
debug1: key_load_public: No such file or directory
debug1: identity file id_ed25519-cert type -1
debug1: identity file /root/.ssh/id_ed25519 type 4
debug1: key_load_public: No such file or directory
debug1: identity file /root/.ssh/id_ed25519-cert type -1
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_7.4
debug1: Remote protocol version 2.0, remote software version OpenSSH_7.4
debug1: match: OpenSSH_7.4 pat OpenSSH* compat 0x04000000
debug1: Authenticating to localhost:14982 as 'root'
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: algorithm: curve25519-sha256 at libssh.org
debug1: kex: host key algorithm: ssh-ed25519
debug1: kex: server->client cipher: chacha20-poly1305 at openssh.com MAC: <implicit> compression: none
debug1: kex: client->server cipher: chacha20-poly1305 at openssh.com MAC: <implicit> compression: none
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug1: Server host key: ssh-ed25519 SHA256:/RInRdtcIMbpPu3LZmpg5wfAWi9ozQwgKLPnTQEDcxg
debug1: Host '[localhost]:14982' is known and matches the ED25519 host key.
debug1: Found key in /root/.ssh/known_hosts:3
debug1: rekey after 134217728 blocks
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug1: rekey after 134217728 blocks
debug1: SSH2_MSG_EXT_INFO received
debug1: kex_input_ext_info: server-sig-algs=<ssh-ed25519,ssh-rsa,ssh-dss,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521>
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue: publickey
debug1: Next authentication method: publickey
debug1: Offering ED25519 public key: id_ed25519
debug1: Authentications that can continue: publickey
debug1: Offering ED25519 public key: /root/.ssh/id_ed25519
debug1: Authentications that can continue: publickey
debug1: No more authentication methods to try.
Permission denied (publickey).

Same as before

> Also check the sshd logfile (may be in /var/log/secure.log or daemon.log,
> for example), that may indicate if permissions etc. are wrong.

The past two days in /var/log/secure:

Oct 23 05:38:51 salmo su[20224]: Successful su for root by rshepard
Oct 23 05:38:51 salmo su[20224]: + /dev/pts/2 rshepard:root
Oct 23 16:49:58 salmo su[11611]: Successful su for root by rshepard
Oct 23 16:49:58 salmo su[11611]: + /dev/pts/2 rshepard:root
Oct 24 05:41:08 salmo su[22479]: Successful su for root by rshepard
Oct 24 05:41:08 salmo su[22479]: + /dev/pts/1 rshepard:root

> I note you didn't check (or at least didn't show) the permissions of the
> directories /root and /root/.ssh

# ll /
total 120
drwxr-xr-x   2 root root  4096 Jul 16 13:09 bin/
drwxr-xr-x   5 root root  4096 Aug 28 07:16 boot/
drwxrwxrwx  26 root root  4096 Oct  4 16:04 data/
drwxr-xr-x  16 root root  5580 Oct 23 15:26 dev/
drwxr-xr-x 111 root root 12288 Oct 23 16:51 etc/
drwxr-xr-x   2 root root  4096 Sep 23  2018 flashdr/
drwxr-xr-x   5 root root  4096 Nov 11  2018 home/
drwxr-xr-x   7 root root  4096 Sep  8 08:12 lib/
drwxr-xr-x   2 root root 12288 Sep 17 07:18 lib64/
drwx------   2 root root 16384 Dec 31  2007 lost+found/
drwxr-xr-x  16 root root  4096 Dec 31  2007 media/
drwxr-xr-x  13 root root  4096 Oct 19 13:41 mnt/
drwxrwxrwx  49 root root  4096 Oct 10 13:50 opt/
dr-xr-xr-x 341 root root     0 Oct 21 22:57 proc/
drwx--x---  26 root root  4096 Oct 23 16:16 root/
drwxr-xr-x   8 root root   200 Oct 23 07:24 run/
drwxr-xr-x   2 root root 12288 Aug  7 16:13 sbin/
drwxr-xr-x   2 root root  4096 Oct 14 09:26 srv/
dr-xr-xr-x  13 root root     0 Oct 24 05:40 sys/
drwxr-xr-x   2 root root  4096 Sep 23  2018 thumb/
drwxrwxrwt  30 root root 12288 Oct 24 06:21 tmp/
drwxr-xr-x  17 root root  4096 Oct 21 14:24 usr/
drwxr-xr-x  18 root root  4096 Oct 18 13:06 var/

# ll /root/.ssh/
total 20
-rw------- 1 root root  93 Oct 23 15:09 authorized_keys
-rw-r--r-- 1 root root 249 Nov 15  2018 config
-rw------- 1 root root 399 Oct 23 11:39 id_ed25519
-rw-r--r-- 1 root root  92 Oct 23 11:39 id_ed25519.pub
-rw------- 1 root root 326 Oct 23 15:46 known_hosts

Regards,

Rich