ssh密钥登录云服务器提示未注册

{"value":"### \u95ee\u9898\u73b0\u8c61\n\nssh \u4f7f\u7528\u5bc6\u7801\u8fdc\u7a0b\u7684\u65f6\u5019\u6b63\u5e38\uff0cssh \u79d8\u94a5\u767b\u5f55\u63d0\u793a\u672a\u6ce8\u518c\uff0ccentos7.5 \u7684\u4e91\u670d\u52a1\u5668\u3002\n\n### \u6392\u67e5\u6b65\u9aa4\n\n1.\u68c0\u67e5 \/etc\/ssh\/sshd_config \u548c \/etc\/ssh\/ssh_config \u7684\u914d\u7f6e\uff0c\u4e0e\u6b63\u5e38\u7684\u4e91\u670d\u52a1\u5668\u505a\u5bf9\u6bd4 egrep -v \u201c#^$\u201d \/etc\/ssh\/sshd_config \uff0c\u5e76\u6ca1\u6709\u53d1\u73b0\u5f02\u5e38\n\n2.\u68c0\u67e5\u4e86.ssh \u76ee\u5f55\u6743\u9650\u548c authorized_keys \u6587\u4ef6\u6743\u9650\uff0c\u4e00\u822c .ssh \u76ee\u5f55\u7684\u6743\u9650\u4e3a 700 \u6216\u8005 755 authorized_keys \u7684\u6587\u4ef6\u6743\u9650\u4e3a 600 \u6216\u8005 644\uff0c\u6ca1\u6709\u53d1\u73b0\u5f02\u5e38\n\n3.\u68c0\u67e5\u4e86\u9632\u706b\u5899\u4ee5\u53ca \/etc\/hosts.deny \/etc\/hosts.allow \u6709\u6ca1\u6709\u914d\u7f6e\u9ed1\u540d\u5355\uff0c\u5e76\u6ca1\u6709\u5f02\u5e38\n\n4.\u6e05\u7a7a know_hosts \u7684\u5185\u5bb9\uff0c\u8fd8\u662f\u4e0d\u884c\n\n5.\u5f00\u542f\u4e86\u7684 debug\uff0c\u6709\u4ee5\u4e0b\u5185\u5bb9\n\n debug1: kex_input_ext_info: server-sig-algs=<rsa-sha2-256,rsa-sha2-512>\n debug3: receive packet: type 6\n debug2: service_accept: ssh-userauth\n debug1: SSH2_MSG_SERVICE_ACCEPT received\n debug3: send packet: type 50\n debug3: receive packet: type 51\n debug1: Authentications that can continue: publickey\n debug3: start over, passed a different list publickey\n debug3: preferred gssapi-keyex,gssapi-with-mic,publickey,keyboard-interactive,password\n debug3: authmethod_lookup publickey\n debug3: remaining preferred: keyboard-interactive,password\n debug3: authmethod_is_enabled publickey\n debug1: Next authentication method: publickey\n debug1: Trying private key: \/root\/kp-89l1y95c\n\n\n6.systemctl sshd status \u7684\u65f6\u5019\u53d1\u73b0\u4e86\u4e00\u4e2a\u62a5\u9519\n\n\tDisconnected from 152.136.157.37 port 51400 [preauth]\n\n7.\u7136\u540e\u67e5\u4e86\u4e00\u4e0b \/var\/log\/secure \u7684\u65e5\u5fd7\uff0c\u91cc\u9762\u6709\u4e2a\u5173\u952e\u7684\u62a5\u9519\n\n Oct 10 23:50:18 i-jlabc309 sshd[2797]: Authentication refused: bad ownership or modes for directory \/root\n\n\u7136\u540e\u60f3\u5230\u53ef\u80fd\u662f root \u76ee\u5f55\u6743\u9650\u7684\u95ee\u9898\uff0c\u4e4b\u524d\u53ea\u68c0\u67e5\u4e86 .ssh \u76ee\u5f55\u7684\u6743\u9650\uff0c\u7ed3\u679c\u679c\u7136\u662f root \u76ee\u5f55\u6743\u9650\u4e3a 600\uff0c\u6539\u6210 700 \u4ee5\u540e\u5c31\u6b63\u5e38\u4e86\n\n### \u6700\u7ec8\u539f\u56e0\n\nsshd \u4e3a\u4e86\u5b89\u5168\uff0c\u5bf9\u5c5e\u4e3b\u7684\u76ee\u5f55\u548c\u6587\u4ef6\u6743\u9650\u6709\u6240\u8981\u6c42\u3002\u5982\u679c\u6743\u9650\u4e0d\u5bf9\uff0c\u5219 ssh \u7684\u514d\u5bc6\u7801\u767b\u5f55\u4e0d\u751f\u6548\u3002 \u7528\u6237\u76ee\u5f55\u6743\u9650\u4e3a 755 \u6216\u8005 700\uff0c\u5c31\u662f\u4e0d\u80fd\u662f 77x\u3002 .ssh \u76ee\u5f55\u6743\u9650\u4e00\u822c\u4e3a 755 \u6216\u8005 700\u3002 rsa_id.pub \u53ca authorized_keys \u6743\u9650\u4e00\u822c\u4e3a 644 rsa_id \u6743\u9650\u5fc5\u987b\u4e3a 600\n\n\n\u8fd8\u9700\u8981\u68c0\u67e5\u4e00\u4e0b\u5c5e\u4e3b\u4fe1\u606f\uff0c\u5982\u679c\u4e0d\u5bf9\u7684\u8bdd\uff0c\u9700\u8981\u505a\u4ee5\u4e0b\u4fee\u6539 \n\n\tchown root.root \/root chown root.root -R \/root\/.ssh"}