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Top Forums UNIX for Beginners Questions & Answers Host key verification failed error Post 302992220 by Skrynesaver on Thursday 23rd of February 2017 03:33:01 AM
Old 02-23-2017
Has the target host changed recently (eg. been re-imaged, reinstalled or assigned a new IP)?
If so opening the .ssh/known_hosts file and removing the record for the previous host at that IP is safe, if you have not expected a change in host you should verify the cause of the change before changing the hosts identifying record.
 

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SSS_SSH_KNOWNHOSTSPR(1) 					 SSSD Manual pages					   SSS_SSH_KNOWNHOSTSPR(1)

NAME
sss_ssh_knownhostsproxy - get OpenSSH host keys SYNOPSIS
sss_ssh_knownhostsproxy [options] HOST [PROXY_COMMAND] DESCRIPTION
sss_ssh_knownhostsproxy acquires SSH host public keys for host HOST, stores them in a custom OpenSSH known_hosts file (see the "SSH_KNOWN_HOSTS FILE FORMAT" section of sshd(8) for more information) /var/lib/sss/pubconf/known_hosts and estabilishes connection to the host. If PROXY_COMMAND is specified, it is used to create the connection to the host instead of opening a socket. ssh(1) can be configured to use sss_ssh_knownhostsproxy for host key authentication by using the following directives for ssh(1) configuration: ProxyCommand /usr/bin/sss_ssh_knownhostsproxy -p %p %h GlobalKnownHostsFile /var/lib/sss/pubconf/known_hosts OPTIONS
-p,--port PORT Use port PORT to connect to the host. By default, port 22 is used. -d,--domain DOMAIN Search for host public keys in SSSD domain DOMAIN. -?,--help Display help message and exit. EXIT STATUS
In case of success, an exit value of 0 is returned. Otherwise, 1 is returned. SEE ALSO
sssd(8), sssd.conf(5), sssd-ldap(5), sssd-krb5(5), sssd-simple(5), sssd-ipa(5), sssd-ad(5), sssd-sudo(5),sss_cache(8), sss_debuglevel(8), sss_groupadd(8), sss_groupdel(8), sss_groupshow(8), sss_groupmod(8), sss_useradd(8), sss_userdel(8), sss_usermod(8), sss_obfuscate(8), sss_seed(8), sssd_krb5_locator_plugin(8), sss_ssh_authorizedkeys(8), sss_ssh_knownhostsproxy(8),pam_sss(8). AUTHORS
The SSSD upstream - http://fedorahosted.org/sssd SSSD
06/17/2014 SSS_SSH_KNOWNHOSTSPR(1)
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