#%PAM-1.0 auth required pam_sepermit.so auth substack password-auth auth include postlogin # Used with polkit to reauthorize usersin remote sessions -auth optional pam_reauthorize.so prepare account required pam_nologin.so account include password-auth password include password-auth # pam_selinux.so close should be the first session rule session required pam_selinux.so close session required pam_loginuid.so # pam_selinux.so open should only be followed by sessions to be executed in the user context session required pam_selinux.so open env_params session required pam_namespace.so session optional pam_keyinit.so force revoke session include password-auth session include postlogin # Used with polkit to reauthorize usersin remote sessions -session optional pam_reauthorize.so prepare
安装 OpenSSH RPM 软件包 (会自动处理依赖关系)
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cd /root/rpmbuild/RPMS/x86_64/ yum install openssh-8.8p1-1.el7.x86_64.rpm openssh-clients-8.8p1-1.el7.x86_64.rpm openssh-server-8.8p1-1.el7.x86_64.rpm
允许 Root 用户登录
注意检查 /etc/ssh/sshd_config 中是否启用 Root 登录密码登录
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PasswordAuthentication yes PermitRootLogin yes
给予权限
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cd /etc/ssh chmod 600 ssh_host_ecdsa_key ssh_host_ed25519_key ssh_host_rsa_key