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Full Discussion: Connection-less using ssh
Top Forums UNIX for Advanced & Expert Users Connection-less using ssh Post 302939232 by fretagi on Tuesday 24th of March 2015 04:09:08 AM
Old 03-24-2015
I have looked at
Code:
/etc/nsswitch.conf

, so in server A, this file is lile this:

Code:
passwd:     files
group:      files
#hosts:      dns files
hosts:      files

and on server B the same file looks like this:

Code:
passwd:     files
group:      files
#hosts:      files dns
hosts:      files
ipnodes:    files


But what is strange, is from server A to a third server (server C) it does not ask for a password and its fast in both directions.

The issue is only between one direction between server A and server B
 

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LEARN ABOUT POSIX

nss-systemd

NSS-SYSTEMD(8)							    nss-systemd 						    NSS-SYSTEMD(8)

NAME

       nss-systemd, libnss_systemd.so.2 - Provide UNIX user and group name resolution for dynamic users and groups.

SYNOPSIS

       libnss_systemd.so.2

DESCRIPTION

       nss-systemd is a plug-in module for the GNU Name Service Switch (NSS) functionality of the GNU C Library (glibc), providing UNIX user and
       group name resolution for dynamic users and groups allocated through the DynamicUser= option in systemd unit files. See systemd.exec(5) for
       details on this option.

       This module also ensures that the root and nobody users and groups (i.e. the users/groups with the UIDs/GIDs 0 and 65534) remain resolvable
       at all times, even if they aren't listed in /etc/passwd or /etc/group, or if these files are missing.

       To activate the NSS module, add "systemd" to the lines starting with "passwd:" and "group:" in /etc/nsswitch.conf.

       It is recommended to place "systemd" after the "files" or "compat" entry of the /etc/nsswitch.conf lines so that /etc/passwd and /etc/group
       based mappings take precedence.

EXAMPLE

       Here is an example /etc/nsswitch.conf file that enables nss-systemd correctly:

	   passwd:	   compat mymachines systemd
	   group:	   compat mymachines systemd
	   shadow:	   compat

	   hosts:	   files mymachines resolve [!UNAVAIL=return] dns myhostname
	   networks:	   files

	   protocols:	   db files
	   services:	   db files
	   ethers:	   db files
	   rpc: 	   db files

	   netgroup:	   nis

SEE ALSO

       systemd(1), systemd.exec(5), nss-resolve(8), nss-myhostname(8), nss-mymachines(8), nsswitch.conf(5), getent(1)

systemd 237															    NSS-SYSTEMD(8)
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