google authenticator recovery code

By default, SSH has used secure data communication between remote machines. However, if you want to add another security layer for your SSH connection, you can add Google Authenticator) the two-factor authentication module allows you to enter a random one-time password (TOTP) Verification code when connecting to the SSH server. When you connect, you have to enter

Copyright belongs to the author.Commercial reprint please contact the author for authorization, non-commercial reprint please specify the source.Xu XiaohuaLinks: http://www.zhihu.com/question/20462696/answer/18731073Source: KnowWhen you turn on Google Login Two step verification (ie Google Authenticator service), users need to enter an additional one-time passwor

[root @ localhost google-authenticator-libpam] #. /configure [root @ localhost google-authenticator-libpam] # make make install [root @ localhost google-authenticator-libpam] # google

, when the CRT is connected, the IP address is changed. Next, set logon.Google-authenticatorCopy the slave code.Select y Configure the Logon SettingsVi/etc/pam. d/sshdAdd auth required pam_google_authenticator.soChallengeResponseAuthentication noChange itChallengeResponseAuthentication yes // Here, selinux is set to disable to avoid problems during login.Setenforce 0Service sshd restartSsh localhostLogin successful: [Note]: If you do follow the steps above and do not re

Dlopen (/usr/lib64/security/pam_google_authenticator.so):/usr/lib64/security/pam_google_ Authenticator.so:cannot Open SharedObject file: No Suchfileor Directorydec to the: the: $localhost sshd[2393]: PAM Adding faulty module:/usr/lib64/security/pam_google_authenticator.so ... [[Email protected]~]#LN-sv/usr/local/lib/security/pam_google_authenticator.so/usr/lib64/security/pam_google_authenticator.so"/usr/lib64/security/pam_google_authenticator.so"-"/usr/local/lib/security/pam_google_authenticat

barThe first is the environment preparation, I am the perennial self-owned virtual machine: 2 units centos6.7 minimized installation1. Installation mode, CENTOS6 environment1) Epel originated with Google-authenticator, can be installed directly yum, it is so simple roughRPM-IVH Https://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpmyum Install Google