[CentOS7]解决SSH登录慢的问题

\cp /etc/ssh/sshd_config /etc/ssh/sshd_config.bak
sed -i '/UseDNS/cUseDNS no' /etc/ssh/sshd_config
sed -i 's/GSSAPIAuthentication yes/GSSAPIAuthentication no/' /etc/ssh/sshd_config
systemctl restart sshd

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