{"id":158,"date":"2015-08-27T15:52:28","date_gmt":"2015-08-27T07:52:28","guid":{"rendered":"http:\/\/cn.hostease.com\/xueyuan\/?p=158"},"modified":"2015-11-10T14:17:06","modified_gmt":"2015-11-10T06:17:06","slug":"linux%e4%b8%8b%e6%9f%a5%e7%9c%8bapache%e8%bf%9e%e6%8e%a5%e6%95%b0","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/xueyuan\/jishu\/fuwuqi\/linux%e4%b8%8b%e6%9f%a5%e7%9c%8bapache%e8%bf%9e%e6%8e%a5%e6%95%b0\/","title":{"rendered":"Linux\u4e0b\u67e5\u770bapache\u8fde\u63a5\u6570"},"content":{"rendered":"

Linux\u4e0b\u67e5\u770bapache\u8fde\u63a5\u6570<\/h1>\n

1\u3001\u67e5\u770bapache\u5f53\u524d\u5e76\u53d1\u8bbf\u95ee\u6570\uff1a<\/p>\n

\n
\n

#\u5bf9\u6bd4httpd.conf\u4e2dMaxClients\u7684\u6570\u5b57\u5dee\u8ddd\u591a\u5c11\u3002 netstat -an | grep ESTABLISHED | wc -l
\n2\u3001\u67e5\u770bhttpd\u8fdb\u7a0b\u6570\uff08\u5373prefork\u6a21\u5f0f\u4e0bApache\u80fd\u591f\u5904\u7406\u7684\u5e76\u53d1\u8bf7\u6c42\u6570\uff09\uff1a<\/p>\n

\n
ps aux|grep httpd|wc -l<\/pre>\n<\/div>\n
3\u3001\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u53c2\u6570\u67e5\u770b\u6570\u636e<\/p>\n
\n
ps -ef|grep httpd|wc -l\r\n#1388\r\n#\u7edf\u8ba1httpd\u8fdb\u7a0b\u6570\uff0c\u8fde\u4e2a\u8bf7\u6c42\u4f1a\u542f\u52a8\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u4f7f\u7528\u4e8eApache\u670d\u52a1\u5668\u3002\r\n#\u8868\u793aApache\u80fd\u591f\u5904\u74061388\u4e2a\u5e76\u53d1\u8bf7\u6c42\uff0c\u8fd9\u4e2a\u503cApache\u53ef\u6839\u636e\u8d1f\u8f7d\u60c5\u51b5\u81ea\u52a8\u8c03\u6574\u3002<\/pre>\n<\/div>\n
\n
netstat -nat|grep -i \"80\"|wc -l\r\n#4341\r\n#netstat -an\u4f1a\u6253\u5370\u7cfb\u7edf\u5f53\u524d\u7f51\u7edc\u94fe\u63a5\u72b6\u6001\uff0c\u800cgrep -i \"80\"\u662f\u7528\u6765\u63d0\u53d6\u4e0e80\u7aef\u53e3\u6709\u5173\u7684\u8fde\u63a5\u7684\uff0cwc -l\u8fdb\u884c\u8fde\u63a5\u6570\u7edf\u8ba1\u3002\r\n#\u6700\u7ec8\u8fd4\u56de\u7684\u6570\u5b57\u5c31\u662f\u5f53\u524d\u6240\u670980\u7aef\u53e3\u7684\u8bf7\u6c42\u603b\u6570\u3002<\/pre>\n<\/div>\n
\n
netstat -na|grep ESTABLISHED|wc -l\r\n#376\r\n#netstat -an\u4f1a\u6253\u5370\u7cfb\u7edf\u5f53\u524d\u7f51\u7edc\u94fe\u63a5\u72b6\u6001\uff0c\u800cgrep ESTABLISHED \u63d0\u53d6\u51fa\u5df2\u5efa\u7acb\u8fde\u63a5\u7684\u4fe1\u606f\u3002 \u7136\u540ewc -l\u7edf\u8ba1\u3002\r\n#\u6700\u7ec8\u8fd4\u56de\u7684\u6570\u5b57\u5c31\u662f\u5f53\u524d\u6240\u670980\u7aef\u53e3\u7684\u5df2\u5efa\u7acb\u8fde\u63a5\u7684\u603b\u6570\u3002<\/pre>\n<\/div>\n
\n
netstat -nat||grep ESTABLISHED|wc\r\n#\u53ef\u67e5\u770b\u6240\u6709\u5efa\u7acb\u8fde\u63a5\u7684\u8be6\u7ec6\u8bb0\u5f55<\/pre>\n<\/div>\n
4\u3001\u67e5\u770bApache\u7684\u5e76\u53d1\u8bf7\u6c42\u6570\u53ca\u5176TCP\u8fde\u63a5\u72b6\u6001\uff1a<\/p>\n
\n
netstat -n | awk '\/^tcp\/ {++S[$NF]} END {for (a in S) print a, S[a]}'<\/pre>\n<\/div>\n
\uff08\u8fd9\u6761\u8bed\u53e5\u662f\u4ece \u65b0\u6d6a\u4e92\u52a8\u793e\u533a\u4e8b\u4e1a\u90e8 \u65b0\u6d6a\u4e92\u52a8\u793e\u533a\u4e8b\u4e1a\u90e8\u6280\u672f\u603b\u76d1\u738b\u8001\u5927\u90a3\u513f\u83b7\u5f97\u7684\uff0c\u975e\u5e38\u4e0d\u9519\uff09\u8fd4\u56de\u7ed3\u679c\u793a\u4f8b\uff1a<\/p>\n
\n
LAST_ACK 5\r\nSYN_RECV 30\r\nESTABLISHED 1597\r\nFIN_WAIT1 51\r\nFIN_WAIT2 504\r\nTIME_WAIT 1057<\/pre>\n<\/div>\n
\u5176\u4e2d:
\nSYN_RECV\u8868\u793a\u6b63\u5728\u7b49\u5f85\u5904\u7406\u7684\u8bf7\u6c42\u6570\uff1b
\nESTABLISHED\u8868\u793a\u6b63\u5e38\u6570\u636e\u4f20\u8f93\u72b6\u6001\uff1b
\nTIME_WAIT\u8868\u793a\u5904\u7406\u5b8c\u6bd5\uff0c\u7b49\u5f85\u8d85\u65f6\u7ed3\u675f\u7684\u8bf7\u6c42\u6570\u3002<\/p>\n
5\u3001\u8f93\u51fa\u6bcf\u4e2aip\u7684\u8fde\u63a5\u6570\uff0c\u4ee5\u53ca\u603b\u7684\u5404\u4e2a\u72b6\u6001\u7684\u8fde\u63a5\u6570<\/p>\n
\n
netstat -n | awk '\/^tcp\/ {n=split($(NF-1),array,\":\");if(n<=2)++S[array[(1)]];else++S[array[(4)]];++s[$NF];++N} END {for(a in S){printf(\"%-20s %s\\n\", a, S[a]);++I}printf(\"%-20s %s\\n\",\"TOTAL_IP\",I);for(a in s) printf(\"%-20s %s\\n\",a, s[a]);printf(\"%-20s %s\\n\",\"TOTAL_LINK\",N);}'<\/pre>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
Linux\u4e0b\u67e5\u770bapache\u8fde\u63a5\u6570 1\u3001\u67e5\u770bapache\u5f53\u524d\u5e76\u53d1\u8bbf\u95ee\u6570\uff1a #\u5bf9\u6bd4httpd.conf\u4e2dMaxC … \u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[9],"tags":[85,38],"class_list":["post-158","post","type-post","status-publish","format-standard","hentry","category-fuwuqi","tag-apache","tag-linux"],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/158","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/comments?post=158"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/158\/revisions"}],"predecessor-version":[{"id":159,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/158\/revisions\/159"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/media?parent=158"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/categories?post=158"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/tags?post=158"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}