我无法使用公钥私钥对登录。我确实可以使用密码访问。以下是服务器端和客户端的日志。为什么我无法登录？
type=CRYPTO_KEY_USER msg=audit(1481731455.027:102046): user pid=8859 uid=0 auid=0 ses=6158 msg='op=destroy kind=session fp=? direction=both spid=8860 suid=74 rport=59031 laddr=XX.XXX.XX.XXX lport=22 exe="/usr/sbin/sshd" hostname=? addr=YY.YYY.YY.YYY terminal=? res=success'
type=USER_ERR msg=audit(1481731455.028:102047): user pid=8859 uid=0 auid=0 ses=6158 msg='op=PAM:bad_ident acct="?" exe="/usr/sbin/sshd" hostname=YY.YYY.YY.YYY addr=YY.YYY.YY.YYY terminal=ssh res=failed'
type=CRYPTO_KEY_USER msg=audit(1481731455.028:102048): user pid=8859 uid=0 auid=0 ses=6158 msg='op=destroy kind=server fp=6f:21:ce:5c:81:10:5e:63:db:32:54:71:80:bf:99:97 direction=? spid=8859 suid=0 exe="/usr/sbin/sshd" hostname=? addr=YY.YYY.YY.YYY terminal=? res=success'
type=CRYPTO_KEY_USER msg=audit(1481731455.028:102049): user pid=8859 uid=0 auid=0 ses=6158 msg='op=destroy kind=server fp=d7:a6:59:60:99:86:45:95:69:79:bf:ea:8a:fa:0a:46 direction=? spid=8859 suid=0 exe="/usr/sbin/sshd" hostname=? addr=YY.YYY.YY.YYY terminal=? res=success'
type=USER_LOGIN msg=audit(1481731455.028:102050): user pid=8859 uid=0 auid=0 ses=6158 msg='op=login …我有一台 red hat linux 机器，当我尝试安装任何软件时，它说我的系统未注册我应该如何安装
[root@JMNGD1BLT230V01 yum.repos.d]# yum install gettext-devel openssl-devel perl-CPAN perl-devel zlib-devel
Loaded plugins: product-id, security, subscription-manager
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
Setting up Install Process
No package gettext-devel available.
No package openssl-devel available.
No package perl-CPAN available.
No package perl-devel available.
Nothing to do
以下是我的 repolist
[root@JMNGD1BLT230V01 yum.repos.d]# yum repolist
Loaded plugins: product-id, security, subscription-manager
This system is not registered to Red Hat Subscription Management. You …