{"id":749,"date":"2023-09-28T09:01:01","date_gmt":"2023-09-28T01:01:01","guid":{"rendered":""},"modified":"2023-09-28T09:01:01","modified_gmt":"2023-09-28T01:01:01","slug":"linux\u4e0b\u914d\u7f6e\u516c\u94a5\u79c1\u94a5","status":"publish","type":"post","link":"https:\/\/mushiming.com\/749.html","title":{"rendered":"linux\u4e0b\u914d\u7f6e\u516c\u94a5\u79c1\u94a5"},"content":{"rendered":"
\n

\u4f7f\u7528ssh\u516c\u94a5\u5b9e\u73b0\u514d\u5bc6\u7801\u767b\u5f55<\/h2>\n

  
\n (2011-04-22 01:24:10)<\/span> <\/p>\n

\n \u8f6c\u8f7d\u25bc\n <\/div>\n<\/div>\n
\n\n\n\n
\u6807\u7b7e\uff1a<\/span>   <\/p>\n

\u6742\u8c08<\/h3>\n<\/td>\n

 \u5206\u7c7b\uff1a<\/span> Linux\u7cfb\u7edf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\n

ssh \u65e0\u5bc6\u7801\u767b\u5f55\u8981\u4f7f\u7528\u516c\u94a5\u4e0e\u79c1\u94a5\u3002Linux\u4e0b\u53ef\u4ee5\u7528\u7528ssh-keygen\u751f\u6210\u516c\u94a5\/\u79c1\u94a5\u5bf9\uff0c\u4e0b\u9762\u6211\u4ee5CentOS\u4e3a\u4f8b\u3002<\/p>\n

\u6709\u673a\u5668A(192.168.1.155)\uff0cB(192.168.1.181)\u3002\u73b0\u60f3A\u901a\u8fc7ssh\u514d\u5bc6\u7801\u767b\u5f55\u5230B\u3002
\u9996\u5148\u4ee5root\u8d26\u6237\u767b\u9646\u4e3a\u4f8b\u3002<\/p>\n

1.\u5728A\u673a\u4e0b\u751f\u6210\u516c\u94a5\/\u79c1\u94a5\u5bf9\u3002<\/p>\n

\n [root@A<\/span>
\n  <\/span>
\n ~<\/span>
\n ]# ssh<\/span>
\n -<\/span>
\n keygen <\/span>
\n -<\/span>
\n t rsa <\/span>
\n -<\/span>
\n P <\/span>
\n ''<\/span>\n <\/div>\n

-P\u8868\u793a\u5bc6\u7801\uff0c-P '' \u5c31\u8868\u793a\u7a7a\u5bc6\u7801\uff0c\u4e5f\u53ef\u4ee5\u4e0d\u7528-P\u53c2\u6570\uff0c\u8fd9\u6837\u5c31\u8981\u4e09\u8f66\u56de\u8f66\uff0c\u7528-P\u5c31\u4e00\u6b21\u56de\u8f66\u3002
\u8be5\u547d\u4ee4\u5c06\u5728\/root\/.ssh\u76ee\u5f55\u4e0b\u9762\u4ea7\u751f\u4e00\u5bf9\u5bc6\u94a5id_rsa\u548cid_rsa.pub\u3002<\/p>\n

\u4e00\u822c\u91c7\u7528\u7684ssh\u7684rsa\u5bc6\u94a5:
id_rsa     \u79c1\u94a5
id_rsa.pub \u516c\u94a5
\u4e0b\u8ff0\u547d\u4ee4\u4ea7\u751f\u4e0d\u540c\u7c7b\u578b\u7684\u5bc6\u94a5
ssh-keygen -t dsa
ssh-keygen -t rsa
ssh-keygen -t rsa1<\/p>\n

2.\u628aA\u673a\u4e0b\u7684\/root\/.ssh\/id_rsa.pub \u590d\u5236\u5230B\u673a\u7684 \/root\/.ssh\/authorized_keys\u6587\u4ef6\u91cc\uff0c\u5148\u8981\u5728B\u673a\u4e0a\u521b\u5efa\u597d \/root\/.ssh \u8fd9\u4e2a\u76ee\u5f55\uff0c\u7528scp\u590d\u5236\u3002<\/p>\n

\n [root@A <\/span>
\n ~<\/span>
\n ]# scp \/root\/.ssh\/id_rsa.pub root@192.168.1.181:\/root\/.ssh\/authorized_keys<\/span>
\n
root@<\/span>
\n 192.168<\/span>
\n .<\/span>
\n 1.181<\/span>
\n '<\/span>
\n s password:<\/span>
\n
<\/span>
\n id_rsa.pub                                    <\/span>
\n 100<\/span>
\n %<\/span>
\n   <\/span>
\n 223<\/span>
\n      0.2KB<\/span>
\n \/<\/span>
\n s   <\/span>
\n 00<\/span>
\n :<\/span>
\n 00<\/span>\n <\/div>\n

\u7531\u4e8e\u8fd8\u6ca1\u6709\u514d\u5bc6\u7801\u767b\u5f55\u7684\uff0c\u6240\u4ee5\u8981\u8f93\u5165\u4e00\u6b21B\u673a\u7684root\u5bc6\u7801\u3002<\/p>\n

3.authorized_keys\u7684\u6743\u9650\u8981\u662f600!!!<\/span><\/strong><\/p>\n

\n [root@B <\/span>
\n ~<\/span>
\n ]# chmod <\/span>
\n 600<\/span>
\n  \/root\/.ssh<\/span>
\n \/<\/span>
\n authorized_keys<\/span>\n <\/div>\n

\n

4.A\u673a\u767b\u5f55B\u673a\u3002<\/p>\n

\n [root@A <\/span>
\n ~<\/span>
\n ]# ssh -l root<\/span> 
\n 192.168<\/span>
\n .<\/span>
\n 1.181<\/span>
\n
The authenticity of host <\/span>
\n '<\/span>
\n 192.168.1.181 (192.168.1.181)<\/span>
\n '<\/span>
\n  can<\/span>
\n '<\/span>
\n t be established.<\/span>
\n
<\/span>
\n RSA key fingerprint <\/span>
\n is<\/span>
\n  <\/span>
\n 00<\/span>
\n :a6:a8:<\/span>
\n 87<\/span>
\n :eb:c7:<\/span>
\n 40<\/span>
\n :<\/span>
\n 10<\/span>
\n :<\/span>
\n 39<\/span>
\n :cc:a0:eb:<\/span>
\n 50<\/span>
\n :d9:6a:5b.
Are you sure you want to <\/span>
\n continue<\/span>
\n  connecting (yes<\/span>
\n \/<\/span>
\n no)? yes
Warning: Permanently added <\/span>
\n '<\/span>
\n 192.168.1.181<\/span>
\n '<\/span>
\n  (RSA) to the list of known hosts.
Last login: Thu Jul  <\/span>
\n 3<\/span>
\n  0<\/span>
\n 9<\/span>
\n :<\/span>
\n 53<\/span>
\n :<\/span>
\n 18<\/span>
\n  <\/span>
\n 2008<\/span>
\n  <\/span>
\n from<\/span>
\n  root<\/span>
\n
[root@B <\/span>
\n ~<\/span>
\n ]#<\/span>\n <\/div>\n

\u7b2c\u4e00\u6b21\u767b\u5f55\u662f\u65f6\u8981\u4f60\u8f93\u5165yes\u3002<\/p>\n

\u73b0\u5728A\u673a\u53ef\u4ee5\u65e0\u5bc6\u7801\u767b\u5f55B\u673a\u4e86\u3002<\/p>\n

\u5c0f\u7ed3\uff1a\u767b\u5f55\u7684\u673a\u5b50\u53ef\u6709\u79c1\u94a5\uff0c\u88ab\u767b\u5f55\u7684\u673a\u5b50\u8981\u6709\u767b\u5f55\u673a\u5b50\u7684\u516c\u94a5\u3002\u8fd9\u4e2a\u516c\u94a5\/\u79c1\u94a5\u5bf9\u4e00\u822c\u5728\u79c1\u94a5\u5bbf\u4e3b\u673a\u4ea7\u751f\u3002\u4e0a\u9762\u662f\u7528rsa\u7b97\u6cd5\u7684\u516c\u94a5\/\u79c1\u94a5\u5bf9\uff0c\u5f53\u7136\u4e5f\u53ef\u4ee5\u7528dsa(\u5bf9\u5e94\u7684\u6587\u4ef6\u662fid_dsa\uff0cid_dsa.pub)<\/p>\n

\u60f3\u8ba9A\uff0cB\u673a\u65e0\u5bc6\u7801\u4e92\u767b\u5f55\uff0c\u90a3B\u673a\u4ee5\u4e0a\u9762\u540c\u6837\u7684\u65b9\u5f0f\u914d\u7f6e\u5373\u53ef\u3002<\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

SSH-KeyGen \u7684\u7528\u6cd5<\/span><\/span><\/h3>\n

 <\/p>\n

\n

\u5047\u8bbe A \u4e3a\u5ba2\u6237\u673a\u5668\uff0cB\u4e3a\u76ee\u6807\u673a\uff1b<\/p>\n

\u8981\u8fbe\u5230\u7684\u76ee\u7684\uff1a
A\u673a\u5668ssh\u767b\u5f55B\u673a\u5668\u65e0\u9700\u8f93\u5165\u5bc6\u7801\uff1b
\u52a0\u5bc6\u65b9\u5f0f\u9009 rsa|dsa\u5747\u53ef\u4ee5\uff0c\u9ed8\u8ba4dsa<\/p>\n

\u505a\u6cd5\uff1a
1\u3001\u767b\u5f55A\u673a\u5668
2\u3001ssh-keygen -t [rsa|dsa]\uff0c\u5c06\u4f1a\u751f\u6210\u5bc6\u94a5\u6587\u4ef6\u548c\u79c1\u94a5\u6587\u4ef6 id_rsa,id_rsa.pub\u6216id_dsa,id_dsa.pub
3\u3001\u5c06 .pub \u6587\u4ef6\u590d\u5236\u5230B\u673a\u5668\u7684 .ssh \u76ee\u5f55\uff0c \u5e76 cat id_dsa.pub >> ~\/.ssh\/authorized_keys
4\u3001\u5927\u529f\u544a\u6210\uff0c\u4eceA\u673a\u5668\u767b\u5f55B\u673a\u5668\u7684\u76ee\u6807\u8d26\u6237\uff0c\u4e0d\u518d\u9700\u8981\u5bc6\u7801\u4e86\uff1b<\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

ssh-keygen\u505a\u5bc6\u7801\u9a8c\u8bc1\u53ef\u4ee5\u4f7f\u5728\u5411\u5bf9\u65b9\u673a\u5668\u4e0assh ,scp\u4e0d\u7528\u4f7f\u7528\u5bc6\u7801.
\u5177\u4f53\u65b9\u6cd5\u5982\u4e0b:
ssh-keygen -t rsa
\u7136\u540e\u5168\u90e8\u56de\u8f66,\u91c7\u7528\u9ed8\u8ba4\u503c.<\/p>\n

\u8fd9\u6837\u751f\u6210\u4e86\u4e00\u5bf9\u5bc6\u94a5\uff0c\u5b58\u653e\u5728\u7528\u6237\u76ee\u5f55\u7684~\/.ssh\u4e0b\u3002
\u5c06\u516c\u94a5\u8003\u5230\u5bf9\u65b9\u673a\u5668\u7684\u7528\u6237\u76ee\u5f55\u4e0b\uff0c\u5e76\u62f7\u5230~\/.ssh\/authorized_keys\u4e2d\u3002<\/p>\n

\u8981\u4fdd\u8bc1.ssh\u548cauthorized_keys\u90fd\u53ea\u6709\u7528\u6237\u81ea\u5df1\u6709\u5199\u6743\u9650\u3002\u5426\u5219\u9a8c\u8bc1\u65e0\u6548\u3002\uff08\u4eca\u5929\u5c31\u662f\u9047\u5230\u8fd9\u4e2a\u95ee\u9898\uff0c\u627e\u4e86\u597d\u4e45\u95ee\u9898\u6240\u5728\uff09\uff0c\u5176\u5b9e\u4ed4\u7ec6\u60f3\u60f3\uff0c\u8fd9\u6837\u505a\u662f\u4e3a\u4e86\u4e0d\u4f1a\u51fa\u73b0\u7cfb\u7edf\u6f0f\u6d1e<\/p>\n

\u6ce8\u610f \u6700\u540e\u4e00\u5b9a\u8981\u5728\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668 \u6267\u884cchmod -R 700 .ssh\/ \u5426\u5219\u914d\u7f6e\u662f\u4e0d\u6210\u529f\u7684\uff08\u6bcf\u6b21\u767b\u5f55\u90fd\u5f97\u91cd\u65b0\u53bb\u8f93\u5165\u5bc6\u7801\u7684\uff09\u3002<\/p>\n

<\/p>\n

\n

\u79c1\u94a5\u6587\u4ef6\u7684\u6743\u9650\u4e3a\u4ec0\u4e48\u4e0d\u80fd\u8bbe\u7f6e\u4e3a755<\/h1>\n<\/p>\n

1\u3001\u95ee\u9898\u63cf\u8ff0<\/p>\n

\u5728I.Mx6\u52a0\u8f7d\u542f\u52a8\u4fe1\u606f\u65f6\u8f93\u51fa\u5982\u4e0b\u5185\u5bb9<\/p>\n

\n
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\n@         WARNING: UNPROTECTED PRIVATE KEY FILE<\/span>!          @\n@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\nPermissions <\/span>0755<\/span> for<\/span> \u2018<\/span>\/usr\/local\/openssh\/etc\/ssh_host_rsa_key<\/span>\u2018<\/span> are too open.\nIt is required that your private key files are NOT accessible by others.\nThis private key will be ignored.\nbad permissions: ignore key: <\/span>\/usr\/local\/openssh\/etc\/ssh_host_rsa_key\nCould not load host key: <\/span>\/usr\/local\/openssh\/etc\/ssh_host_rsa_key<\/pre>\n<\/p><\/div>\n
  <\/p>\n
 2\u3001\u89e3\u51b3\u65b9\u6cd5<\/p>\n
 \u8bbe\u7f6e\u79c1\u94a5\u6587\u4ef6\u7684\u6743\u9650\u4e3a700\uff0c\u516c\u94a5\u6587\u4ef6(.pub\u6587\u4ef6)\u7684\u6743\u9650\u4e3a755<\/p>\n
  <\/p>\n
 3\u3001\u539f\u56e0<\/p>\n
 \u5728\u4ee5NFS\u65b9\u5f0f\u52a0\u8f7d\u6587\u4ef6\u7cfb\u7edf\u65f6\uff0c\u52a0\u6587\u4ef6\u7cfb\u7edf\u4e2d\u7684\u6240\u6709\u6587\u4ef6\u6539\u6210777\u7684\u6743\u9650\u3002<\/p>\n
 \u800c\u52a0\u8f7d\u79c1\u94a5\u6587\u4ef6\u65f6\uff0c\u82e5\u5176\u6743\u9650\u4e3a777\u5219\u8ba4\u4e3a\u975e\u6cd5\u3002<\/p>\n
 \u8fd9\u662f\u7531\u4e8e\uff1a\u57fa\u4e8e\u201c\u516c\u79c1\u94a5\u201d\u8ba4\u8bc1\u7684\u65b9\u5f0f\u8fdb\u884cssh\u767b\u5f55\u7684\u60c5\u51b5\uff0c\u4f1a\u751f\u6210\u4e00\u5bf9\u516c\u79c1\u94a5\uff08\u516c\u94a5\u6587\u4ef6\u540d\u7c7b\u4f3cx.pub\uff0c\u79c1\u94a5\u6587\u4ef6\u540dx\uff09<\/p>\n
 \u7136\u540e\u516c\u94a5\u653e\u5728\u670d\u52a1\u5668\u4e0a\uff0c\u81ea\u5df2\u4fdd\u7559\u79c1\u94a5\uff0c\u5f53\u8fdb\u884cssh\u767b\u5f55\uff0cssh\u7a0b\u5e8f\u4f1a\u53d1\u9001\u79c1\u94a5\u5230\u670d\u52a1\u5668\u4e0e\u670d\u52a1\u5668\u4e0a\u7684\u516c\u94a5\u505a\u5339\u914d\uff0c\u5339\u914d<\/p>\n
 \u6210\u529f\u65b9\u53ef\u767b\u5f55\u3002\u8fd9\u91cc\u6709\u4e00\u4e2a\u5b89\u5168\u95ee\u9898\uff0c\u82e5\u79c1\u94a5\u6587\u4ef6\u88ab\u522b\u4eba\u76d7\u53d6\u4e86\u600e\u4e48\u529e\uff1flinux\u4e2d\u901a\u8fc7\u5f3a\u5236\u8bbe\u79c1\u94a5\u6587\u4ef6\u7684\u6743\u9650\u4e3a700\uff0c\u8fd9\u6837<\/p>\n
 \u8d26\u53f7\u6ca1\u76d7\u53d6\u7684\u60c5\u51b5\u4e0b\uff0c\u79c1\u94a5\u6587\u4ef6\u662f\u4e0d\u80fd\u88ab\u8bbf\u95ee\u5230\u7684\uff0c\u5b9e\u73b0\u4e86\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u7684\u5b89\u5168\u4fdd\u8bc1\u3002<\/p>\n
 \n <\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"linux\u4e0b\u914d\u7f6e\u516c\u94a5\u79c1\u94a5\u4f7f\u7528ssh\u516c\u94a5\u5b9e\u73b0\u514d\u5bc6\u7801\u767b\u5f55(2011-04-2201:24:10)\u8f6c\u8f7d\u25bc\u6807\u7b7e\uff1a\u6742\u8c08\u5206\u7c7b\uff1aLinux\u7cfb\u7edfssh\u65e0\u5bc6\u7801\u767b\u5f55\u8981\u4f7f\u7528\u516c\u94a5...","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[82],"tags":[],"_links":{"self":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/749"}],"collection":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/comments?post=749"}],"version-history":[{"count":0,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/749\/revisions"}],"wp:attachment":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/media?parent=749"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/categories?post=749"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/tags?post=749"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}