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Full Discussion: Ssh fails for one of two users on the same server.
Top Forums Shell Programming and Scripting Ssh fails for one of two users on the same server. Post 303037289 by RudiC on Monday 29th of July 2019 09:54:20 AM
Old 07-29-2019
You can see the difference yourself:

Code:
debug1: Next authentication method: publickey
debug1: Offering RSA public key: /app/my_id_rsa
debug3: send_pubkey_test
debug3: send packet: type 50
debug2: we sent a publickey packet, wait for reply
debug3: receive packet: type 60
debug1: Server accepts key: pkalg rsa-sha2-512 blen 279
debug2: input_userauth_pk_ok: fp SHA256:qTxzzn6L6mSAjT9HLvjOvl/gs/FihJZk/SvDtSQZKZw
debug3: sign_and_send_pubkey: RSA SHA256:qTxzzn6L6mSAjT9HLvjOvl/gs/FihJZk/SvDtSQZKZw
debug3: send packet: type 50
debug3: receive packet: type 52
debug1: Authentication succeeded (publickey).
Authenticated to dest_host ([dest_host]:22).


Code:
debug1: Next authentication method: publickey
debug1: Offering RSA public key: /app/my_id_rsa
debug3: send_pubkey_test
debug3: send packet: type 50
debug2: we sent a publickey packet, wait for reply
debug3: receive packet: type 51


Did you append your local root's public key (matching your key in /app/my_id_rsa to each remote user's .ssh/authorized_keys?
 

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LEARN ABOUT SUNOS

getpublickey

getpublickey(3NSL)				       Networking Services Library Functions					getpublickey(3NSL)

NAME

       getpublickey, getsecretkey, publickey - retrieve public or secret key

SYNOPSIS

       #include <rpc/rpc.h>
       #include <rpc/key_prot.h>

       int getpublickey(const char netname[MAXNETNAMELEN], char publickey[HEXKEYBYTES+1]);

       int getsecretkey(const char netname[MAXNETNAMELEN], char secretkey[HEXKEYBYTES+1], const char *passwd);

DESCRIPTION

       getpublickey() and getsecretkey() get public and secret keys for netname. The key may come from one of the following sources:

	 o  the /etc/publickey file. See publickey(4).

	 o  the NIS map ``publickey.byname'' or the NIS+ table ``cred.org_dir''. The sources and their lookup order are specified in the /etc/nss-
	    witch.conf file. See nsswitch.conf(4).

       getsecretkey() has an extra argument, passwd, which is used to decrypt the encrypted secret key stored in the database.

RETURN VALUES

       Both routines return 1 if they are successful in finding the key. Otherwise, the routines return 0. The keys are  returned  as  null-termi-
       nated,  hexadecimal  strings. If the password supplied to getsecretkey() fails to decrypt the secret key, the routine will return 1 but the
       secretkey [0] will be set to NULL.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |Safe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       secure_rpc(3NSL), nsswitch.conf(4), publickey(4), attributes(5)

WARNINGS

       If getpublickey() gets the public key from any source other than NIS+, all authenticated NIS+ operations may fail. To ensure that this does
       not happen, edit the nsswitch.conf(4) file to make sure that the public key is obtained from NIS+.

   NOTES
       NIS+  might  not  be  supported in future releases of the SolarisTM Operating Environment. Tools to aid the migration from NIS+ to LDAP are
       available in the Solaris 9 operating environment. For more information, visit http://www.sun.com/directory/nisplus/transition.html.

SunOS 5.10							    18 Dec 2001 						getpublickey(3NSL)
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