CentOS7启用双因子认证

yum -y install curl-devel expat-devel gettext-devel openssl-devel zlib-devel gcc perl-ExtUtils-MakeMaker git automake libtool pam-devel epel-release
 
git clone https://github.com/google/google-authenticator-libpam.git
 
cd google-authenticator-libpam/
 
./bootstrap.sh
 
./configure && make && make install
 
cp /usr/local/lib/security/pam_google_authenticator.so /lib64/security/

[root@vm212664 ~]# yum -y install google-authenticator
[root@vm212664 ~]# google-authenticator

auth required pam_google_authenticator.so

ChallengeResponseAuthentication yes

systemctl restart sshd