{"id":22,"date":"2019-07-04T03:44:00","date_gmt":"2019-07-04T03:44:00","guid":{"rendered":"http:\/\/pro369.com\/linux\/?p=22"},"modified":"2019-07-04T03:44:00","modified_gmt":"2019-07-04T03:44:00","slug":"linux-%e4%b8%8b%e9%80%9a%e9%81%8e%e8%85%b3%e6%9c%ac%e5%af%a6%e7%8f%be%e9%81%a0%e7%ab%af%e8%87%aa%e5%8b%95%e5%82%99%e4%bb%bd","status":"publish","type":"post","link":"https:\/\/por.tw\/linux\/linux-%e4%b8%8b%e9%80%9a%e9%81%8e%e8%85%b3%e6%9c%ac%e5%af%a6%e7%8f%be%e9%81%a0%e7%ab%af%e8%87%aa%e5%8b%95%e5%82%99%e4%bb%bd\/","title":{"rendered":"Linux \u4e0b\u901a\u904e\u8173\u672c\u5be6\u73fe\u9060\u7aef\u81ea\u52d5\u5099\u4efd"},"content":{"rendered":"

Linux \u4e0b\u901a\u904e\u8173\u672c\u5be6\u73fe\u9060\u7aef\u81ea\u52d5\u5099\u4efd<\/strong><\/font><\/p>\n

\u8003\u616e\u5230\u5728\u672c\u6a5f\u4e0a\u5099\u4efd\u8cc7\u6599\uff0c\u4e00\u65e6\u8a72\u6a5f\u5668\u786c\u789f\u51fa\u73fe\u6545\u969c\uff0c\u8cc7\u6599\u7121\u6cd5\u53d6\u51fa\u3002\u9060\u7aef\u624b\u52d5\u5099\u4efd\u8cc7\u6599\u8cbb\u6642\u8cbb\u529b\u4e14\u4e0d\u53ca\u6642\u3002\u6700\u597d\u7684\u65b9\u6cd5\u5c31\u662f\u901a\u904e\u8173\u672c\u5be6\u73fe\u9060\u7aef\u81ea\u52d5\u4e92\u5099\u3002\u4f46\u9060\u7aef\u7121\u8ad6\u662f\u901a\u904eSSH\u767b\u9678\uff0c\u9084\u662f\u901a\u904escp\u8907\u88fd\u6a94\u6848\u90fd\u9700\u8981\u8f38\u5165\u5bc6\u78bc\u3002\u70ba\u4e86\u514b\u670d\u9019\u500b\u554f\u984c\uff0c\u9996\u5148\u9700\u8981\u5be6\u73fe\u4e0d\u9700\u8981\u5bc6\u78bc\u7684SSH\u767b\u9678\uff0c\u9019\u6a23\u5c31\u53ef\u4ee5\u4f7f\u7528rsync\uff0cscp\uff0crexec\u7b49\u6307\u4ee4\u4f86\u505a\u7684\u9060\u7aef\u5099\u4efd\u4e86\u3002<\/p>\n

1. \u8a2d\u5b9a\u7121\u9700\u5bc6\u78bc\u7684ssh\u767b\u9678\uff0c\u65b9\u6cd5\u5982\u4e0b\uff1a
\u5047\u8a2dA\uff0cB\u5169\u4f3a\u670d\u5668\uff0c\u73fe\u5728\u9700\u8981\u5728A\u6a5f\u4e0a\u7528root\u767b\u9678B\u6a5f\uff0c\u800c\u4e0d\u9700\u8981\u8f38\u5165\u5bc6\u78bc\uff0c\u90a3\u6211\u5011\u53ef\u6309\u7167\u4e0b\u9762\u7684\u6b65\u9a5f\u4f86\u505a\uff1a
1\uff09\u5728A\u6a5f\u4e0a\u751f\u6210\u9470\u5319\u5c0d,\u57f7\u884c\u4ee5\u4e0b\u6307\u4ee4\uff1a
ssh-keygen -t rsa
Generating public\/private rsa key pair.
Enter file in which to save the key (\/root\/.ssh\/id_rsa): \/root\/.ssh\/id_rsa
Enter passphrase (empty for no passphrase):\u76f4\u63a5\u63db\u884c
Enter same passphrase again:\u76f4\u63a5\u63db\u884c
Your identification has been saved in \/root\/.ssh\/id_rsa.
Your public key has been saved in \/root\/.ssh\/id_rsa.pub.
The key fingerprint is:
f6:61:a8:27:35:cf:4c:6d:13:22:70:cf:4c:c8:a0:23 root@host1<\/p>\n

\u9019\u6a23\uff0c\u5728\/root\/.ssh\/\u8def\u5f91\u4e0b\u6703\u751f\u6210id_rsa\uff0c\u548cid_rsa.pub\uff0c\u5176\u4e2did_rsa\u662f\u5bc6\u9470\uff0cid_rsa.pub\u662f\u516c\u9470\u3002<\/p>\n

2\uff09\u628a\u5728A\u6a5f\u751f\u6210\u7684id_rsa.pub\u8907\u88fd\u5230B\u6a5f\u4e0a\uff0c\u5047\u8a2d\u8907\u88fd\u5230B\u6a5f\u7684\u81e8\u6642\u76ee\u9304\u4e0b\uff0c\u5982\uff1a
scp \/root\/.ssh\/id_rsa.pub root@218.242.214.20:\/tmp
3\uff09\u7528root\u5e33\u865f\u767b\u9678B\u6a5f\uff0c\u9032\u5165\u5176\u4e3b\u76ee\u9304\uff0c\u5efa\u7acbauthorized_keys\u6a94\u6848\uff0c\u4e26\u8a2d\u5b9a\u597d\u6b0a\u9650\u3002
cd ~\/.ssh
cat \/tmp\/id_rsa.pub >>authorized_keys
chmod  400 authorized_keys
rm -f \/tmp\/id_rsa.pub<\/p>\n

4\uff09\u6e2c\u8a66
\u5728A\u6a5f\u4e0a\u8f49\u5230root\u5e33\u865f\uff0c\u5617\u8a66\u767b\u5165B\u6a5f\u3002\u770b\u770b\u662f\u4e0d\u662f\u4e0d\u8981\u5bc6\u78bc.
\u8aaa\u660e\uff1a
authorized_keys\u6a94\u6848\u7684\u6b0a\u9650\u5f88\u91cd\u8981\uff0c\u5982\u679c\u8a2d\u5b9a\u70ba777\uff0c\u90a3\u9ebc\u767b\u5165\u7684\u6642\u5019\uff0c\u9084\u662f\u9700\u8981\u63d0\u4f9b\u5bc6\u78bc\u7684\u3002
\u8a18\u5f97\u5c07\u81e8\u6642\u76ee\u9304\u4e0b\u7684id_rsa.pub\u522a\u9664\uff0c\u990a\u6210\u500b\u597d\u7fd2\u6163\u3002
\u672c\u65b9\u6cd5\u5728Red Hat9.0\u4e0a\u6e2c\u8a66\u901a\u904e\u3002<\/p>\n

2. \u7de8\u8f2fcrontab\u6a94\u6848
vi \/etc\/crontab
\u5982\u8a2d\u5b9a\u6bcf\u5929\u51cc\u66683\uff1a00\u57f7\u884ccron.daily\u4e2d\u7684\u8173\u672c\uff1a
00 3 * * * root run-parts \/etc\/cron.daily<\/p>\n

3.\u7de8\u8f2fcron.daily\u4e2d\u7684\u8173\u672c
cd \/etc\/cron.daily\/
vi backupdb<\/p>\n

pg_dump -U postgres voipack > \/voipack.sql
pg_dump -U postgres regserver > \/regserver.sql
tar -cvjf \/aavm.tgz.bz2 \/usr\/local\/aavm
tar -cvjf \/oracle.tgz.bz2 \/var\/oracle
scp \/voipack.sql root@218.242.214.20:\/root\/218.242.214.23_backup
scp \/regserver.sql root@218.242.214.20:\/root\/218.242.214.23_backup
scp \/aavm.tgz.bz2 root@218.242.214.20:\/root\/218.242.214.23_backup
scp \/oracle.tgz.bz2 root@218.242.214.20:\/root\/218.242.214.23_backup<\/p>\n

\u5c0723\u4e0a\u7522\u751f\u7684\u5099\u4efd\u6a94\u6848copy\u5230218.242.214.20:\/root\/218.242.214.23_backup\u8def\u5f91\u4e0b<\/p>\n

\u540c\u6a23\u7684\u65b9\u6cd5\u53ef\u4ee5\u5c07\u5047\u8a2dB\u4f3a\u670d\u5668\u4e0a\u7684\u8cc7\u6599\u5099\u4efd\u5230A\u4f3a\u670d\u5668\uff0c\u5be6\u73fe\u96d9\u6a5f\u7684\u4e92\u5099\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

Linux \u4e0b\u901a\u904e\u8173\u672c\u5be6\u73fe\u9060\u7aef\u81ea\u52d5\u5099\u4efd \u8003\u616e\u5230\u5728\u672c\u6a5f\u4e0a\u5099\u4efd\u8cc7\u6599\uff0c\u4e00\u65e6\u8a72\u6a5f\u5668\u786c\u789f\u51fa\u73fe\u6545\u969c\uff0c\u8cc7\u6599\u7121\u6cd5\u53d6\u51fa\u3002\u9060\u7aef\u624b\u52d5 […]<\/p>\n","protected":false},"author":1,"featured_media":481,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[20],"class_list":["post-22","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-linux-","tag-linux"],"_links":{"self":[{"href":"https:\/\/por.tw\/linux\/wp-json\/wp\/v2\/posts\/22"}],"collection":[{"href":"https:\/\/por.tw\/linux\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/por.tw\/linux\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/por.tw\/linux\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/por.tw\/linux\/wp-json\/wp\/v2\/comments?post=22"}],"version-history":[{"count":0,"href":"https:\/\/por.tw\/linux\/wp-json\/wp\/v2\/posts\/22\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/por.tw\/linux\/wp-json\/wp\/v2\/media\/481"}],"wp:attachment":[{"href":"https:\/\/por.tw\/linux\/wp-json\/wp\/v2\/media?parent=22"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/por.tw\/linux\/wp-json\/wp\/v2\/categories?post=22"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/por.tw\/linux\/wp-json\/wp\/v2\/tags?post=22"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}