{"id":175,"date":"2017-11-04T21:32:20","date_gmt":"2017-11-04T13:32:20","guid":{"rendered":"https:\/\/damogame.cn\/?p=175"},"modified":"2017-11-04T21:32:20","modified_gmt":"2017-11-04T13:32:20","slug":"%e5%a5%87%e8%99%8e360linux%e8%bf%90%e7%bb%b4%e5%b7%a5%e7%a8%8b%e5%b8%88%e9%9d%a2%e8%af%95%e7%9c%9f%e9%a2%98","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/175","title":{"rendered":"\u5947\u864e360Linux\u8fd0\u7ef4\u5de5\u7a0b\u5e08\u9762\u8bd5\u771f\u9898"},"content":{"rendered":"
\u4f5c\u8005\uff1a\u6c64\u54e5\u5728\u5317\u4eac
\n\u94fe\u63a5\uff1ahttps:\/\/zhuanlan.zhihu.com\/p\/29693614
\n\u6765\u6e90\uff1a\u77e5\u4e4e
\n\u8457\u4f5c\u6743\u5f52\u4f5c\u8005\u6240\u6709\u3002\u5546\u4e1a\u8f6c\u8f7d\u8bf7\u8054\u7cfb\u4f5c\u8005\u83b7\u5f97\u6388\u6743\uff0c\u975e\u5546\u4e1a\u8f6c\u8f7d\u8bf7\u6ce8\u660e\u51fa\u5904\u3002<\/p>\n
\n

\u770b\u5927\u4f01\u4e1a\u7684\u9762\u8bd5\u9898\uff0c\u662f\u975e\u5e38\u91cd\u8981\u7684\u4e00\u4ef6\u4e8b\uff0c\u8fd9\u6837\u4f60\u80fd\u770b\u5230\u5927\u795e\u8fd0\u7ef4\u7684\u4e00\u4e2a\u60c5\u51b5\uff0c\u4eca\u5929\u5c0f\u7f16\u6536\u96c6\u7684\u7b2c\u4e8c\u4e2a\u662f\u5947\u864e360\uff0c\u8fd9\u4e2a\u4f01\u4e1a\u6709\u975e\u5e38\u591a\u7684\u4eba\u60f3\u8fdb\u53bb\uff0c\u4f46\u662f\u4e0d\u5bb9\u6613\u8fdb\u53bb\uff0c\u4ee5\u4e0b\u4e3a\u5947\u864e360\u9762\u8bd5\u9898\u5b9e\u5f55\uff0c\u5185\u5bb9\u4ece\u7f51\u7edc\u6536\u96c6\u6574\u7406\u7684\uff0c\u4ec5\u4f9b\u5927\u5bb6\u5b66\u4e60\u53c2\u8003\uff1a<\/p>\n

1\u3001\u5199\u4e00\u4e2a\u811a\u672c\u67e5\u627e\u6700\u540e\u521b\u5efa\u65f6\u95f4\u662f3\u5929\u524d\uff0c\u540e\u7f00\u662f*.log\u7684\u6587\u4ef6\u5e76\u5220\u9664\u3002<\/b> find \/ -name \u201c*.log\u201d -ctime +3 -exec rm -f {} \\;<\/p>\n

2\u3001\u5199\u4e00\u4e2a\u811a\u672c\u5c06\u67d0\u76ee\u5f55\u4e0b\u5927\u4e8e100k\u7684\u6587\u4ef6\u79fb\u52a8\u81f3\/tmp\u4e0b\u3002<\/b> for i in `find \/test -type f -size +100k`;do cd \/test && mv $i \/tmp;done<\/p>\n

3\u3001\u5199\u4e00\u4e2a\u811a\u672c\u5c06\u6570\u636e\u5e93\u5907\u4efd\u5e76\u6253\u5305\u81f3\u8fdc\u7a0b\u670d\u52a1\u5668192.168.1.1 \/backup\u76ee\u5f55\u4e0b\u3002<\/b> mount 192.168.1.1:\/backup \/mnt cd \/mnt \/usr\/local\/mysql\/bin\/mysqldump -hlocalhost -uroot test >test.sql tar czf test.sql.tar.gz test.sql rm -f test.sql<\/p>\n

4\u3001\u5199\u4e00\u4e2a\u9632\u706b\u5899\u914d\u7f6e\u811a\u672c\uff0c\u53ea\u5141\u8bb8\u8fdc\u7a0b\u4e3b\u673a\u8bbf\u95ee\u672c\u673a\u768480\u7aef\u53e3\u3002<\/b> iptables -P INPUT ACCEPT iptables -P OUTPUT ACCEPT iptables -P FORWARD ACCEPT iptables -F iptables -X iptables -A INPUT -i eth0 -p tcp \u2013dport 80 -j ACCEPT iptables -P INPUT DROP<\/p>\n

5\u3001\u5199\u4e00\u4e2a\u811a\u672c\u8fdb\u884cnginx\u65e5\u5fd7\u7edf\u8ba1\uff0c\u5f97\u5230\u8bbf\u95eeip\u6700\u591a\u7684\u524d10\u4e2a(nginx\u65e5\u5fd7\u8def\u5f84\uff1a\/home\/logs\/nginx\/default\/access.log<\/b> awk \u2018{a[$1]++}END{for (j in a) print a[j],j}\u2019 \/home\/logs\/nginx\/default\/access.log|sort -nr|head -10<\/p>\n

6\u3001\u5199\u51fa\u4e0b\u5217\u914d\u7f6e\u7684\u542b\u4e49<\/b> \uff081\uff09MaxKeepAliveRequests 100 \uff082\uff09Options FollowSymLinks Order Deny Allow Deny from all Allow from 192.168.1.1<\/p>\n

\uff081\uff09MaxKeepAliveRequests \u2014 100 \u8fde\u63a5\u7684\u6700\u5927\u8bf7\u6c42\u6570 \uff082\uff09Options FollowSymLinks \u2014 \u5141\u8bb8192.168.1.1\u53ef\u4ee5\u5217\u76ee\u5f55 Order Deny Allow Deny from all Allow from 192.168.1.1<\/p>\n

7\u3001\u5199\u4e00\u4e2a\u811a\u672c\u628a\u6307\u5b9a\u6587\u4ef6\u91cc\u7684\/usr\/local\u66ff\u6362\u4e3a\u522b\u7684\u76ee\u5f55\u3002<\/b> sed \u2018s:\/user\/local:\/tmp:g\u2019 filename<\/p>\n

8\u3001\u7b80\u8981\u63cf\u8ff0Linux\u7684\u542f\u52a8\u8fc7\u7a0b\uff1f<\/b> BIOS\u542f\u52a8\u5f15\u5bfc(\u4ecembr\u4e2d\u88c5\u8f7d\u542f\u52a8\u7ba1\u7406\u5668grub)\u2014-GRUB\u542f\u52a8\u5f15\u5bfc(\u88c5\u8f7dkernel\u548cinitrd\u5230\u5185\u5b58)\u2014\u2013\u5185\u6838\u542f\u52a8\u53c2\u6570-sys init\u521d\u59cb\u5316..<\/p>\n

9\u3001\u7b80\u8981\u53d9\u8ff0\u4e0b\u5217\u7aef\u53e3\u6240\u8fd0\u884c\u7684\u670d\u52a1<\/b> 21\u300122\u300123\u300125\u3001110\u3001143\u3001873\u30013306 \u5bf9\u5e94\u7684\u670d\u52a1\u662f ftp ssh telnet snmp pop3 IMAP rsync<\/p>\n

10\u3001TCP\u65ad\u5934\u6700\u5c0f\u957f\u5ea6\u662f\u591a\u5c11\u5b57\u8282\uff1f<\/b> 64\u5b57\u8282<\/p>\n

11\u3001\u8ba9\u67d0\u666e\u901a\u7528\u6237\u80fd\u8fdb\u884ccp \/dir1\/file1 \/dir2\u7684\u547d\u4ee4\u65f6\uff0c\u8bf7\u8bf4\u660edir1 file1\u6700\u5c0f\u5177\u6709\u4ec0\u4e48\u6743\u9650\uff1f<\/b> \u8bfb\u53d6\u548c\u6267\u884c\u6743\u9650rx<\/p>\n

12\u3001\u7b80\u8ff0TCP\u4e09\u6b21\u63e1\u624b\u7684\u8fc7\u7a0b\uff1f<\/b> \u5ba2\u6237\u7aef\u53d1\u9001\u8bf7\u6c42SYN,\u670d\u52a1\u5668\u7aef\u63a5\u6536\u8bf7\u6c42\u786e\u8ba4\u5e76\u56de\u5e94SYN+ACK,\u5ba2\u6237\u7aef\u53d1\u56deACK\u56de\u5e94\u2026.<\/p>\n

13\u3001\u8bf7\u7b80\u5355\u9610\u8ff0\u5947\u864e360\u8fd0\u7ef4\u5de5\u7a0b\u5e08\u7684\u804c\u8d23\u3002<\/b><\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

\u4f5c\u8005\uff1a\u6c64\u54e5\u5728\u5317\u4eac \u94fe\u63a5\uff1ahttps:\/\/<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[],"tags":[117],"class_list":["post-175","post","type-post","status-publish","format-standard","hentry","tag-01-linux"],"_links":{"self":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/175","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/comments?post=175"}],"version-history":[{"count":0,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/175\/revisions"}],"wp:attachment":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/media?parent=175"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/categories?post=175"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/tags?post=175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}