{"id":80,"date":"2024-01-30T09:31:00","date_gmt":"2024-01-30T01:31:00","guid":{"rendered":"https:\/\/www.xueyaa.top\/?p=80"},"modified":"2026-03-08T15:49:28","modified_gmt":"2026-03-08T07:49:28","slug":"%e7%bd%91%e7%ab%99%e9%9b%86%e7%be%a4%e6%bc%94%e5%8f%98-%e9%a1%b9%e7%9b%ae%e4%b8%8e%e4%bc%98%e5%8c%96","status":"publish","type":"post","link":"https:\/\/www.xueyaa.top\/?p=80","title":{"rendered":"\u7f51\u7ad9\u96c6\u7fa4\u6f14\u53d8\u2014\u2014\u9879\u76ee\u4e0e\u4f18\u5316"},"content":{"rendered":"\n<h1 class=\"wp-block-heading has-large-font-size\" id=\"gzTC1\"><strong>1.\u7f16\u8bd1\u5b89\u88c5&#8211;\u5347\u7ea7python3.11<\/strong><\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u80cc\u666f\uff1a<\/li>\n\n\n\n<li>\u76ee\u524d\u5404\u79cdLinux\u9ed8\u8ba4\u7684python\u57fa\u672c\u4e0a\u90fd\u662fpython 3.x<\/li>\n\n\n\n<li>\u73b0\u5728\u7528\u7684\u662f3.7\uff0c\u7528ansible\u65f6\u6709\u8b66\u544a\u63d0\u793a,\u6f0f\u6d1e\u7b49,\u6240\u4ee5\u8981\u5347\u7ea7,\u76ee\u524d\u5347\u52303.11<\/li>\n\n\n\n<li>\u4e4b\u524d\u65e7\u7248\u672clinux(centos 7.x)\uff0cpython\u90fd\u662f2.7<\/li>\n\n\n\n<li>\u5347\u7ea7\u5230\u66f4\u65b0\u7684\u7248\u672c\uff1a<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>python\u4f5c\u4e3a\u7cfb\u7edf\u57fa\u7840\u73af\u5883,\u4f9d\u8d56, \u5f88\u591a\u670d\u52a1\u8f6f\u4ef6\u90fd\u9700\u8981\u4f7f\u7528,yum(dnf)\/iotop\/pip3\/ansible\u90fd\u4f7f\u7528\u7684\u662fpython<\/li>\n\n\n\n<li>\u5347\u7ea7\u4e5f\u9700\u8981\u614e\u91cd, \u6709\u5f88\u591a\u8f6f\u4ef6\u4f9d\u8d56python<\/li>\n<\/ul>\n\n\n\n<pre id=\"IQpAz\" class=\"wp-block-code\"><code>\u7cfb\u7edf\u5e38\u89c1\u7684\u4f9d\u8d56\uff1a\npython\nglibc\nzlib\nopenssl  #\u63d0\u4f9b\u52a0\u5bc6(openssh\u80cc\u540e\u5c31\u662f\u5b83)\ngcc<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"chalG\">1.1\u5347\u7ea7python3.11\u5168\u6d41\u7a0b<\/h2>\n\n\n\n<pre id=\"Kcjb0\" class=\"wp-block-code\"><code>\u53ef\u4ee5\u5c1d\u8bd5\u5347\u7ea7python(\u6240\u6709\u8282\u70b9)\n\n#0.\u4e0b\u8f7d\u8f6f\u4ef6\u5305(yum\u6e90\u6ca1\u6709--&gt;\u7f16\u8bd1\u5b89\u88c5)\n#1.\u89e3\u538bpython3.11\u538b\u7f29\u5305(xz\u548cgz\u4e00\u6837,\u538b\u7f29\u5f97\u66f4\u72e0,\u538b\u7f29\u5305\u66f4\u5c0f)\ntar xf Python-3.11.14.tar.xz\n\n#2.\u8fdb\u5165\u6b64\u76ee\u5f55\ncd Python-3.11.14\n\n#3.\u5b89\u88c5\u4f9d\u8d56(\u4e5f\u53ef\u4ee5\u7b2c\u4e00\u6b65\u5c31\u5b89\u88c5)\nyum install -y gcc openssl-devel bzip2-devel libffi-devel zlib-devel\n\n#4.\u7f16\u8bd1\u5b89\u88c5-\u914d\u7f6e-\u5907\u83dc\n.\/configure --enable-optimizations --with-ssl\n#--enable-optimizations \u81ea\u52a8\u8fdb\u884c\u4f18\u5316(python\u914d\u7f6e)\n#--with-ssl \u652f\u6301ssl\u6a21\u5757,\u529f\u80fd(tls\u548cssl\u7c7b\u4f3c,\u90fd\u662f\u52a0\u5bc6)\n\n#5.\u7f16\u8bd1-\u751f\u6210\u4e8c\u8fdb\u5236\u6587\u4ef6-\u7092\u83dc\nmake -j `nproc`\n\n#6.\u5b89\u88c5-\u521b\u5efa\u76ee\u5f55(\u6539\u6743\u9650),\u590d\u5236\u6587\u4ef6\/\u4f9d\u8d56\u7b49\u64cd\u4f5c-\u4e0a\u83dc\nmake install\n\n#7.\u68c0\u67e5\npython3 --version\n\n#8.ans\u7248\u672c\u8fd8\u662f3.7---&gt;\u5f53\u65f6\u7528\u65e7\u7248\u672cpy\u5b89\u7684--&gt;\u518d\u5b89\u88c5\u4e00\u904d\u5373\u53ef\nansible --version<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"nmGky\">1.2\u7ba1\u7406\u7aef\u5347\u7ea7py\u540e\u91cd\u65b0\u5b89\u88c5ansible<\/h2>\n\n\n\n<pre id=\"qqv4w\" class=\"wp-block-code\"><code>#1.\u5347\u7ea7pip\npython3 -m pip install -i https:\/\/mirrors.tuna.tsinghua.edu.cn\/pypi\/web\/simple --upgrade pip\n\n#2.pip\u6e90(\u52a0\u901fpip\u4e0b\u8f7d\u8f6f\u4ef6)--\u5199\u5728\u4e86\/root\/.config\/pip\/pip.conf\u4e0b\npip3 config set global.index-url https:\/\/mirrors.tuna.tsinghua.edu.cn\/pypi\/web\/simple\n\n#3.\u5b89\u88c5ans\npip3 install  ansible\n\n#4.\u518d\u68c0\u67e5ans\u7248\u672c\n\n#5.\u5347\u7ea7\u5b8c\u4e4b\u540e\u7ba1\u7406\u7aef\u8bb0\u5f97\u4fee\u6539python3\u7684\u4f4d\u7f6e\n&#91;root@m01 ~]# which python3\n\/usr\/local\/bin\/python3\n&#91;root@m01 ~]# cat \/etc\/ansible\/ansible.cfg <\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"VV31Y\">1.3\u6279\u91cf\u6267\u884c\u7684\u8f6f\u4ef6-pssh<\/h2>\n\n\n\n<pre id=\"I2VTh\" class=\"wp-block-code\"><code>#1.\u5b89\u88c5\u6279\u91cf\u6267\u884c\u7684\u8f6f\u4ef6pssh\nyum install -y pssh\n\n#2.\u8f6f\u4ef6\u5305\u5185\u5bb9\u5305\u542b\u4ee5\u4e0b\u547d\u4ee4\npssh  \u662fssh\u5e76\u53d1\u6267\u884c\u7684\u7248\u672c,\u6279\u91cf\u8fde\u63a5\u591a\u53f0\u673a\u5668\u5e76\u6267\u884c\u547d\u4ee4  \u7c7b\u4f3cans\u7684command\/shell\/script\u6a21\u5757\npscp.pssh scp\u6279\u91cf\u53d1\u9001   \u7c7b\u4f3cans\u7684copy\u6a21\u5757\nprsync\n\n#2.\u524d\u63d0\n1.\u5148\u914d\u7f6e\u597d\u5bc6\u94a5\u8ba4\u8bc1\n2.\u521b\u5efa\u597dhosts\u6587\u4ef6  \u5f62\u5f0f:\u7528\u6237\u540d@ip\n\n&#91;root@m01 \/server\/ansible]# cat pssh-hosts\nroot@172.16.1.5\nroot@172.16.1.6\nroot@172.16.1.7\nroot@172.16.1.8\nroot@172.16.1.9\nroot@172.16.1.10\nroot@172.16.1.51\nroot@172.16.1.52\nroot@172.16.1.31\nroot@172.16.1.41\n#root@10.0.0.199\n\n#1.\u6279\u91cf\u6267\u884c\u547d\u4ee4\npssh -P -h pssh-hosts  hostname -I\npssh -P -h pssh-hosts  ls  \/server\/scripts\/\n-P\u663e\u793a\u547d\u4ee4\u7684\u8f93\u51fa,\u7b80\u5355\u547d\u4ee4\u53ef\u4ee5\u4f7f\u7528,\u8fc7\u4e8e\u590d\u6742\u4e0d\u63a8\u8350,\u6bd4\u5982\u8fd0\u884c\u811a\u672c\u7b49(\u8f93\u51fa\u592a\u591a)\n\n#2.\u6279\u91cf\u5206\u53d1\u6587\u4ef6(\u7ba1\u7406\u7aef\u7684\u4f4d\u7f6e--&gt;\u88ab\u7ba1\u7406\u7aef\u7684\u4f4d\u7f6e)\npscp.pssh -h pssh-hosts \/root\/Python-3.11.14.tar.xz   ~   #\u5206\u53d1tar\u5305\npscp.pssh -h pssh-hosts \/server\/scripts\/upgrade_python.sh  \/server\/scripts\/   #\u5206\u53d1\u811a\u672c\n\n#3.\u6279\u91cf\u5347\u7ea7python(\u6162)\npssh -t 0  -h pssh-hosts bash \/server\/scripts\/upgrade_python.sh\n-t\u6307\u5b9a\u8d85\u65f6\u65f6\u95f4,\u4e3a0\u8868\u793a\u4e0d\u8fc7\u671f,\u4e00\u76f4\u7b49\u5f85\u6267\u884c\u5b8c\u6210\n\n#4.\u671f\u95f4\u53ef\u4ee5\u627e\u4e2a\u8282\u70b9\u53bb\u89c2\u5bdf\npstree -p \u6216ps -ef\u67e5\u770b\u5177\u4f53\u8fdb\u5ea6\n\n#5.\u6700\u540e\u68c0\u67e5py\u7248\u672c\npssh -P -h pssh-hosts python3 --version<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"O0isO\">1.4\u5347\u7ea7py\u7b80\u6613\u811a\u672c<\/h2>\n\n\n\n<pre id=\"SXB40\" class=\"wp-block-code\"><code>&#91;root@m01 \/server\/ansible]# cat \/server\/scripts\/upgrade_python.sh\n#!\/bin\/bash\n##############################################################\n# File Name:\/server\/scripts\/upgrade_python.sh\n# Version:V1.0\n# Author:cui\n# Organization:www.typedance.com\n# Desc:\n##############################################################\n\n#1.\u89e3\u538bpython3.11\u538b\u7f29\u5305(\u5148scp\u8fc7\u6765)\ntar xf Python-3.11.14.tar.xz\n#2.\u8fdb\u5165\u6b64\u76ee\u5f55\ncd Python-3.11.14\n#3.\u5b89\u88c5\u4f9d\u8d56\nyum install -y gcc openssl-devel bzip2-devel libffi-devel zlib-devel\n\n#4.\u7f16\u8bd1\u5b89\u88c5-\u914d\u7f6e-\u5907\u83dc\n.\/configure --enable-optimizations --with-ssl\n#--enable-optimizations\u81ea\u52a8\u8fdb\u884c\u4f18\u5316(python)\n#--with-ssl\u652f\u6301ssl\u6a21\u5757\uff0c\u529f\u80fd\u3002\n\n#5.\u7f16\u8bd1-\u751f\u6210\u4e8c\u8fdb\u5236\u6587\u4ef6-\u7092\u83dc\nmake -j `nproc`\n\n#6.\u5b89\u88c5-\u521b\u5efa\u76ee\u5f55,\u590d\u5236\u6587\u4ef6\u7b49\u64cd\u4f5c-\u4e0a\u83dc\nmake install<\/code><\/pre>\n\n\n\n<h1 class=\"wp-block-heading has-large-font-size\" id=\"J03fl\"><strong>2.\u5185\u529f\u5fc3\u6cd5: \u7f51\u7ad9\u96c6\u7fa4\u6f14\u53d8<\/strong><\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7f51\u7ad9\u96c6\u7fa4\u600e\u4e48\u6765\u7684\uff1f<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6f14\u53d8: \u5148\u6709\u4e00\u4e2a\u8d77\u70b9(1\u53f0\u6216\u5c11\u91cf\u51e0\u53f0\u673a\u5668),\u7136\u540e\u968f\u7740\u516c\u53f8\u7f51\u7ad9\u7528\u6237,\u8bbf\u95ee\u6570\u91cf\u7684\u589e\u52a0,\u8fdb\u884c\u4e0d\u65ad\u6539\u8fdb\u3002<\/li>\n\n\n\n<li>\u9884\u4f30: \u9884\u5224\u7f51\u7ad9\u96c6\u7fa41\u5e74-5\u5e74\u4e4b\u540e\u7684\u60c5\u51b5\u3002\u6839\u636e\u89c4\u6a21\u53bb\u53cd\u63a8\u96c6\u7fa4\u8be5\u662f\u5565\u6837\u7684<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\"><\/ul>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\" id=\"NIl4E\"><strong>3.\u7f51\u7ad9\u96c6\u7fa4\u4f18\u5316<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u76ee\u6807\uff1a\u7406\u89e3\u4e0e\u8bb0\u5f55, \u4e3b\u8981\u9762\u8bd5,\u9762\u8bd5\u524d\u8bb0\u5f55\u4e00\u4e0b<\/li>\n\n\n\n<li>Linux\u7cfb\u7edf\u4f18\u5316<\/li>\n\n\n\n<li>\u670d\u52a1\u4f18\u5316: nginx,tomcat,mysql<\/li>\n\n\n\n<li>\u7cfb\u7edf\u5b89\u5168\u4f18\u5316(\u7b49\u4fdd\u6d4b\u8bc4\u4f18\u5316,\u7cfb\u7edf\u5b89\u5168\u52a0\u56fa)<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"SEChZ\">3.1Linux\u7cfb\u7edf\u4f18\u5316<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"Xhu5O\">1\uff09\u5173\u95edSElinux<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9e92\u9e9f,ubt\u9ed8\u8ba4\u5c31\u662f\u5173\u95ed\u7684<\/li>\n\n\n\n<li>selinux\u589e\u5f3a\u578b\u5b89\u5168\u9632\u62a4\u673a\u5236\u3002\u672a\u6765\u90fd\u5173\u95ed\u5c31\u884c<\/li>\n\n\n\n<li>CentOS 7.x \u7cfb\u5217\u9ed8\u8ba4\u5f00\u542f<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"w0z8g\">2\uff09Firewalld CentOS7 iptables(C6) \u5b89\u5168\u7ec4(\u963f\u91cc\u4e91)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u914d\u7f6e\u9632\u706b\u5899\u89c4\u5219\u548c\u5b89\u5168\u7ec4\u89c4\u5219<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"f8OCM\">3\uff09\u6dfb\u52a0\u666e\u901a\u7528\u6237\u5e76\u914d\u7f6esudo\u6743\u9650<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9884\u9632root\u5bc6\u7801\u5fd8\u8bb0,\u5207\u6362\u5230\u666e\u901a\u7528\u6237,\u95f4\u63a5\u4fee\u6539root\u5bc6\u7801<\/li>\n\n\n\n<li>root\u7981\u6b62\u8fdc\u7a0b\u767b\u9646(\u6700\u540e\u505a,\u522b\u628a\u81ea\u5df1\u5173\u5916\u9762)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"objJT\">4\uff09hosts\u6587\u4ef6\u89e3\u6790\u5f53\u524d\u7684\u4e3b\u673a\u540d\u6216\u81ea\u5efaDNS<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e0d\u7528\u8bb0ip,\u8bb0\u4e3b\u673a\u540d\u5373\u53ef\u3002\u7f3a\u70b9:\u6bcf\u53f0\u673a\u5668\u90fd\u5f97\u52a0hosts\u89e3\u6790(\u4fdd\u8bc1<code>ping \u4e3b\u673a\u540d<\/code>\u901a)<\/li>\n\n\n\n<li>\u4e3b\u673a\u4e0d\u591a\u65f6,\u4f7f\u7528hosts\u89e3\u6790<\/li>\n\n\n\n<li>\u4e3b\u673a\u975e\u5e38\u591a\u642d\u5efa\u5185\u90e8\u7684DNS\u670d\u52a1\u5668(bind\/dnsmasq),\u76f8\u5f53\u4e8e\u81ea\u5df1\u642d\u5efa\u4e86223.5.5.5<\/li>\n\n\n\n<li>\u516c\u6709\u4e91\u73af\u5883: \u5171\u6709\u4e91\u5185\u7f51DNS, \u5185\u7f51\u57df\u540d\u89e3\u6790(Private Zone\u548c\u81ea\u5efaDNS)<\/li>\n\n\n\n<li>k8s\u73af\u5883: \u5185\u7f6e\u4e86CoreDNS<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"nW8Lg\">5\uff09\u9501\u5b9a\u5173\u952e\u6587\u4ef6 chattr lsattr \u6216AIDE\u76d1\u63a7\u626b\u63cf&#8211;\u5b89\u5168\u4f18\u5316<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u57fa\u4e8e\u6587\u4ef6\u7cfb\u7edf\u7684\u6743\u9650(\u7cfb\u7edf\u9690\u85cf\u6743\u9650)<\/li>\n\n\n\n<li>chattr(\u4fee\u6539) lsattr(\u67e5\u770b)<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7ed9\u914d\u7f6e\u6587\u4ef6 +a \u53ea\u80fd\u8ffd\u52a0<\/li>\n\n\n\n<li>\u7ed9\u547d\u4ee4(\u7cfb\u7edf\u4e2d\u75c5\u6bd2,\u6709\u4e9b\u547d\u4ee4\u53ef\u80fd\u88ab\u611f\u67d3) +i \u4e0d\u80fd\u4fee\u6539<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"CL8Bm\">6\uff09\u7edf\u4e00\u7cfb\u7edf\u5b57\u7b26\u96c6:UTF-8<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b57\u7b26\u96c6\u9ed8\u8ba4\u90fd\u662fUTF-8<\/li>\n\n\n\n<li>\u8bed\u8a00:<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u82f1\u6587\u73af\u5883 en_US.UTF-8\uff08\u63a8\u8350\uff09&#8212;><code>localectl<\/code>\u67e5\u770b<\/li>\n\n\n\n<li>\u4e2d\u6587\u73af\u5883 zh_CN.UTF-8<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"I71rY\">7\uff09\u8c03\u6574\u7528\u6237\u767b\u5f55\u63d0\u793a\u4fe1\u606f\/etc\/motd<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7528\u6237\u767b\u5f55\u7cfb\u7edf\u540e\u663e\u793a\u7684<\/li>\n\n\n\n<li>\u4e00\u822c\u914d\u7f6e\u4e9b\u7cfb\u7edf\u56fa\u5b9a\u4e0d\u53d8\u7684\u4fe1\u606f(\u6838\u5fc3\u6570,\u5185\u5b58\u603b\u5927\u5c0f,\u4e3b\u673a\u540d,ip)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"W3sNl\">8\uff09\u6e05\u7a7a\/etc\/issue \/etc\/issue.net<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7528\u6237\u8fde\u63a5\u7cfb\u7edf\u4e4b\u524d\u663e\u793a\u7684<\/li>\n\n\n\n<li>\/etc\/issue.net\u662f\u4f7f\u7528telnet\u8fde\u63a5\u7cfb\u7edf\u65f6\u663e\u793a<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"RA1IN\">9\uff09\u914d\u7f6e\/etc\/profile.d\/info.sh\u767b\u5f55\u7cfb\u7edf\u540e\u663e\u793a\u7cfb\u7edf\u57fa\u672c\u4fe1\u606f(ip,\u4e3b\u673a\u540d,\u7f51\u5361,\u786c\u76d8,\u8d1f\u8f7d,\u767b\u5f55\u7528\u6237\u6570)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\/etc\/profile.d\/ \u7528\u6237\u767b\u5f55\u7cfb\u7edf\u540e\u5c31\u4f1a\u8fd0\u884c\u76ee\u5f55\u4e0b\u9762\u4ee5<code>.sh<\/code>\u7ed3\u5c3e\u7684\u6587\u4ef6\u3002\u53ef\u4ee5\u628a\u7cfb\u7edf\u5de1\u68c0\u811a\u672c\u4e00\u90e8\u5206\u6838\u5fc3\u5185\u5bb9\u5199\u6210\u811a\u672c\u653e\u5728\u6b64\u5904<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"qXDu0\">3.2\u57fa\u7840\u670d\u52a1\u4f18\u5316<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"UZhyx\">1\uff09ssh\u4f18\u5316<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u89e3\u51b3\u8fdc\u7a0b\u8fde\u63a5\u6162(ip&#8211;\u522b\u518d&#8211;>\u57df\u540d)<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>UseDNS no #UseDNS\u8868\u793aip&#8212;\u53cd\u5411\u89e3\u6790&#8212;>\u57df\u540d<\/li>\n\n\n\n<li>GSSAPIAuthentication no #\u65b0\u7248\u672copenssh9.9\u4e2d\u4e0d\u7528\u914d\u7f6e<\/li>\n\n\n\n<li>\u5b89\u5168\uff1a<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Port 52113<\/li>\n\n\n\n<li>PermitRootLogin no #\u662f\u5426\u51c6\u8bb8root\u8fdc\u7a0b\u767b\u5f55<\/li>\n\n\n\n<li>PasswordAuthentication yes #\u662f\u5426\u5f00\u542f\u5bc6\u7801\u767b\u5f55<\/li>\n\n\n\n<li>PubkeyAuthentication yes #\u662f\u5426\u5f00\u542f\u5bc6\u94a5\u767b\u5f55(\u4e07\u4e00\u5bc6\u94a5\u8ba4\u8bc1\u5931\u6548,\u5907\u7528\u8fd8\u6709\u5bc6\u7801\u8ba4\u8bc1)<\/li>\n\n\n\n<li>\u914d\u7f6e\u5185\u5916\u7f51\u76d1\u542c\u4e0d\u540c\u7684\u7aef\u53e3<\/li>\n\n\n\n<li>ListenAddress \u51c6\u8bb8\u7528\u6237\u4ece\u54ea\u4e2a\u7f51\u5361\u8fde\u63a5 \u8fd8\u53ef\u4ee5\u540c\u65f6\u6307\u5b9a\u7aef\u53e3<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u76d1\u542c\u54ea\u4e2a\u7f51\u5361: ip\u662f\u672c\u5730\u7684ip \u5185\u7f51 \u516c\u7f51ip<\/li>\n\n\n\n<li>ListenAddress 10.0.0.7:52113<\/li>\n\n\n\n<li>ListenAddress 172.16.1.7:22<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"tqWvc\">2\uff09yum\u6e90: \u4fee\u6539\u7cfb\u7edf\u9ed8\u8ba4\u7684yum\u6e90\u589e\u52a0epel\u6e90<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5148\u786e\u8ba4\u670d\u52a1\u5668\u662f\u5426\u6709\u516c\u7f51<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6709\u516c\u7f51: \u914d\u7f6eyum\u6e90\u5373\u53ef,\u9e92\u9e9f\/CentOS(epel\u6e90+\u9ed8\u8ba4\u6e90)<\/li>\n\n\n\n<li>\u65e0\u516c\u7f51: \u642d\u5efa\u5185\u7f51yum\u4ed3\u5e93,\u5b58\u653e\u5e38\u7528\u8f6f\u4ef6\u5305\u4e0e\u670d\u52a1\u4f9d\u8d56(\u627e1\u53f0\u6709\u7f51\u673a\u5668&#8211;>\u5f00\u542fyum\u7684keepcache(\u7f13\u5b58)\u529f\u80fd&#8212;>\u5b89\u88c5\u516c\u53f8\u7528\u5230\u7684\u8f6f\u4ef6(\u8f6f\u4ef6\u5305\u548c\u4f9d\u8d56\u90fd\u6709\u4e86))<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>vim \/etc\/yum.conf<\/code>\u52a0\u5165keepcache=1\u5373\u53ef\u5f00\u542f\u7f13\u5b58<\/li>\n\n\n\n<li><code>find \/var\/cache\/dnf\/ -type f -name \"*.rpm\"<\/code>\u628a\u8fd9\u4e9brpm\u5305\u627e\u4e2a\u76ee\u5f55\u5b58\u8d77\u6765,\u81ea\u5efayum\u4ed3\u5e93<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e91\u670d\u52a1\u5668(\u662f\u5426\u6709\u516c\u7f51\u90fd\u6ca1\u4e8b)\uff1a\u76f4\u63a5\u914d\u7f6e\u4e0e\u4f7f\u7528\u4e91\u5382\u5546\u7684\u5185\u7f51yum\u6e90(\u6e29\u99a8\u63d0\u793a:\u516c\u6709\u4e91\u8d2d\u4e70\u540e\u4e00\u822c\u90fd\u914d\u7f6e\u597d\u4e86\u5185\u7f51yum\u6e90)<\/li>\n\n\n\n<li>debian\/ubt\u7cfb\u7edf\u6e90: <code>\/etc\/apt\/sources.list<\/code><\/li>\n\n\n\n<li>\u7269\u7406\u673a\u4e0e\u865a\u62df\u673a\u9700\u8981,\u516c\u6709\u4e91\u90fd\u914d\u7f6e\u597d\u4e86<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"QFc2y\">3\uff09\u65f6\u95f4\u540c\u6b65: \u5b9a\u65f6\u4efb\u52a1+ntpdate\/chrony<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u65f6\u95f4\u4e0d\u4e00\u81f4,\u672a\u6765\u6709\u4e9b\u670d\u52a1(ceph\u5206\u5e03\u5f0f\u5b58\u50a8)\u7528\u4e0d\u4e86,\u76f4\u63a5\u542f\u52a8\u5931\u8d25<\/li>\n\n\n\n<li>\u901a\u8fc7\u516c\u7f51\u65f6\u95f4\u670d\u52a1\u5668\u540c\u6b65\u65f6\u95f4\u3002 ntpdate\u547d\u4ee4+\u5b9a\u65f6\u4efb\u52a1<\/li>\n\n\n\n<li>\u81ea\u5efantpd\/chrony\u65f6\u95f4\u670d\u52a1\u5668,\u901a\u8fc7\u5185\u7f51\u540c\u6b65<\/li>\n\n\n\n<li>\u65f6\u95f4\u540c\u6b65\u670d\u52a1\uff1antpd,chrony(\u9ed8\u8ba4) (<code>\/etc\/chrony.conf<\/code> \u670d\u52a1\u540dchronyd)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"EzyWm\">4\uff09\u8c03\u6574\u6587\u4ef6\u63cf\u8ff0\u7b26<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6587\u4ef6\u63cf\u8ff0\u7b26&#8212;-\u6bcf\u4e2a\u8fdb\u7a0b\u53ef\u4ee5\u6253\u5f00\u7684\u6587\u4ef6\u6570\u91cf<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"Cuymd\">5\uff09\u4fee\u6539\u5386\u53f2\u547d\u4ee4\u73af\u5883\u53d8\u91cf<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u73af\u5883\u53d8\u91cf<\/td><td>\u8bf4\u660e<\/td><\/tr><tr><td>TMOUT<\/td><td>\u8d85\u65f6\u65f6\u95f460\/300 \u81ea\u52a8\u6ce8\u9500<\/td><\/tr><tr><td>HISTSIZE<\/td><td>\u63a7\u5236history\u547d\u4ee4\u8bb0\u5f55\u6761\u6570 \u672a\u6765\u4e00\u822c10\u6761\u5373\u53ef<\/td><\/tr><tr><td>HISTFILESIZE<\/td><td>history\u6587\u4ef6\u8bb0\u5f55\u6761\u6570 \u672a\u6765\u4e00\u822c10\u6761\u5373\u53ef<\/td><\/tr><tr><td>HISTCONTROL<\/td><td>\u63a7\u5236history\u662f\u5426\u8bb0\u5f55 \u7528\u8fc7\u547d\u4ee4<\/td><\/tr><tr><td>PROMPT_COMMAND<\/td><td>\u4e0b1\u4e2a\u547d\u4ee4\u4e4b\u524d,\u4f1a\u8fd0\u884c\u73af\u5883\u53d8\u91cf\u91cc\u9762\u7684\u547d\u4ee4 \u7528\u6237\u5ba1\u8ba1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"oaQqP\">3.3\u5185\u6838\u4f18\u5316<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\/etc\/sysctl.conf \u4e3b\u914d\u7f6e\u6587\u4ef6 \/etc\/sysctl.d\/xxx.conf\u5b50\u914d\u7f6e\u6587\u4ef6<\/li>\n\n\n\n<li>\u751f\u6548\uff1asysctl -p &#8211;>\u751f\u6548\u672c\u8d28: \u80cc\u540e\u6539\u7684\u5185\u6838\u6587\u4ef6\u662f\/proc\/sys\/ <code>.<\/code>\u6539\u4e3a<code>\/<\/code><\/li>\n\n\n\n<li>\u5185\u6838\u53c2\u6570 \u5b58\u653e\/proc\/sys\/ net.ipv4.ip_forward == \/proc\/sys\/net\/ipv4\/ip_forward<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u5185\u6838\u53c2\u6570\u53ca\u542b\u4e49<\/td><td>\u542b\u4e49<\/td><td>\u9ed8\u8ba4<\/td><\/tr><tr><td>net.ipv4.ip_forward = 1<\/td><td>\u662f\u5426\u5f00\u542f\u5185\u6838\u8f6c\u53d1(nat\u529f\u80fd,iptables,docker)<\/td><td>0<\/td><\/tr><tr><td>net.ipv4.icmp_echo_ignore_all=1<\/td><td>\u662f\u5426\u51c6\u8bb8\u88abping,\u662f\u5426\u7981ping<\/td><td>0<\/td><\/tr><tr><td>net.ipv4.tcp_tw_recycle=0<\/td><td>\u5f00\u542ftcp\u56de\u6536\u529f\u80fd,\u5f00\u542f\u540enat\u7f51\u7edc\u73af\u5883\u4e2d\u4f1a\u5bfc\u81f4\u5f02\u5e38<\/td><td>0<\/td><\/tr><tr><td>net.ipv4.tcp_tw_reuse=1<\/td><td>\u5f00\u542ftcp\u590d\u7528(\u91cd\u590d\u5229\u7528),\u8fde\u63a5\u7559\u7740,\u7ed9\u522b\u4eba\u7528<\/td><td>0<\/td><\/tr><tr><td>vm.swappiness=0<\/td><td>\u8bbe\u7f6e \u7cfb\u7edf\u662f\u5426\u4f18\u5148\u4f7f\u7528\u7269\u7406\u5185\u5b58,\u6570\u503c\u8d8a\u5c0f,\u8d8a\u4f18\u5148\u4f7f\u7528\u7269\u7406\u5185\u5b58\u3002swap\u4eb2\u548c\u6027,\u6570\u503c\u5927,\u4f18\u5148\u4f7f\u7528swap,\u8f83\u5c11\u4f7f\u7528\u5185\u5b58\u3002<\/td><td>30(C7)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"yMDvM\">1\uff09time_wait\u8fc7\u591a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7b49\u5f85\u8fde\u63a5\u65ad\u5f00,\u4e00\u822c\u7b492msl(2\u00d760s)<\/li>\n<\/ul>\n\n\n\n<pre id=\"OdcyR\" class=\"wp-block-code\"><code>echo 'net.ipv4.tcp_tw_recycle=0'  &gt;&gt;\/etc\/sysctl.conf   #\u7981\u6b62\u6539\u4e3a1,nat\u73af\u5883\u4e2d\u4f1a\u6709\u5f02\u5e38\necho  'net.ipv4.tcp_tw_reuse=1'  &gt;&gt;\/etc\/sysctl.conf<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\/proc\/sys\/net\/ipv4\/tcp_tw_reuse=1 \u5f00\u542ftcp\u91cd\u590d\u4f7f\u7528\u529f\u80fd<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"NooOW\">2\uff09java\u7a0b\u5e8f \u6545\u969c \u5bfc\u81f4\u5927\u91cf\u5360\u7528swap\u800c\u4e0d\u5360\u7528\u7269\u7406\u5185\u5b58<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7269\u7406\u5185\u5b58\u7a7a\u4f59,\u5374\u5f00\u59cb\u5360\u7528swap(swap\u672c\u8d28\u662f\u786c\u76d8\u7684\u901f\u5ea6)<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53ef\u80fd\u4f1a\u5bfc\u81f4oom(out of memory) \u5185\u5b58\u4e0d\u8db3(JVM\u4e0d\u8db3)<\/li>\n\n\n\n<li>\u6839\u6cbb\uff1ajava\u4ee3\u7801\u6709\u95ee\u9898<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>vm.swappiness<\/li>\n\n\n\n<li>\u63a7\u5236\u7cfb\u7edf\u662f\u5426\u4f18\u5148\u4f7f\u7528swap,\u6570\u5b57\u8d8a\u5927\u8d8a\u4f18\u5148\u4f7f\u7528swap \u8d8a\u5c0f\u8d8a\u4f18\u5148\u4f7f\u7528\u7269\u7406\u5185\u5b58<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"ecw37\">\u603b\u7ed3<\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7f16\u8bd1\u5b89\u88c5\u5347\u7ea7python\u7248\u672c\u52303.11<\/li>\n\n\n\n<li>yum\u641e\u5d29\u4e86,rpm\u5b89\u88c5<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7f51\u7ad9\u96c6\u7fa4\u67b6\u6784\u6f14\u53d8<\/li>\n\n\n\n<li>Linux\u4f18\u5316(\u505a\u597d\u8bb0\u5f55)<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading has-large-font-size\" id=\"UdI26\"><strong>4.\u670d\u52a1\u4f18\u5316-Tomcat(java jvm)<\/strong><\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6027\u80fd\u4f18\u5316\uff1a<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7ebf\u7a0b\u6570\u91cf <code>server.xml<\/code>\u4e2d, connector\u90e8\u5206(\u627e\u52308080)&#8211;>\u6dfb\u52a0maxthread<\/li>\n\n\n\n<li>jvm\u5185\u5b58\u5927\u5c0f\u4f18\u5316\u63a7\u5236\u3002&#8230;\/tomcat\/bin\/catalina.sh\u4e2d124\u884c\u5de6\u53f3\u6dfb\u52a0<code>JAVA_OPTS=\"-Xms700m -Xmx700m\"<\/code><\/li>\n\n\n\n<li>oom\u81ea\u52a8(\u5bfc\u51fa)dump jmap\u5bfc\u51fajvm<\/li>\n\n\n\n<li>gc(\u5783\u573e\u56de\u6536)\u65e5\u5fd7<\/li>\n\n\n\n<li>tomcat\u7ba1\u7406\u7aef\u529f\u80fd\uff1a10.0.0.7:8080\u9ed8\u8ba4\u9875\u9762\u4e0a\u9762\u7684\u6309\u94ae&#8211;\u751f\u4ea7\u73af\u5883\u8981\u5173\u95ed!<\/li>\n\n\n\n<li>\u5728&#8230;\/conf\/tomcat-users.xml\u52a0\u5165\u9875\u9762\u63d0\u793a\u90a33\u884c\u5373\u53ef\u3002\u7c7b\u4f3c\u4e8e:<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>&lt;role rolename=&#8221;manage-gui&#8221;\/><\/li>\n\n\n\n<li>&lt;role rolename=&#8221;admin-gui&#8221;\/><\/li>\n\n\n\n<li>&lt;user username=&#8221;tomcat&#8221; password=&#8221;lidao&#8221; roles=&#8221;manage-gui,admin-gui&#8221;\/><\/li>\n\n\n\n<li>\u786e\u4fddwebapps\u4e0bmanage\u548chost-manage\u76ee\u5f55\u90fd\u6709<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u518d\u6539\u4e00\u4e0b\u4e0b\u9762\u7684\u914d\u7f6e\u6587\u4ef6<\/li>\n\n\n\n<li>\u53ef\u4ee5\u67e5\u770bjvm\u6700\u5927\u53ef\u7528\u5185\u5b58,\u5269\u4f59\u591a\u5c11..\uff1b\u7528\u6237\u8fde\u63a5\uff1b\u6700\u5927\u7ebf\u7a0b\u6570\uff1b\u53ef\u90e8\u7f72war\u5305\u7b49<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"SX6vK\">4.1\u6027\u80fd\u4f18\u5316<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"jM6nD\">1\uff09io\u6a21\u578b\u4f18\u5316-server.xml<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7c7b\u4f3c\u4e8enginx\u540c\u6b65,\u5f02\u6b65\u6a21\u578b<\/li>\n\n\n\n<li>\u51b3\u5b9a\u4e86tomcat\u5982\u4f55\u5904\u7406\u6570\u636e<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>io\u6a21\u578b<\/td><td>\u8bf4\u660e<\/td><\/tr><tr><td>BIO<\/td><td>Blocked IO,\u963b\u585e,\u540c\u6b65\u6a21\u578b(\u4e32\u884c). tomcat7\u53ca\u4e4b\u524d\u7248\u672c\u9ed8\u8ba4\u662fBIO<\/td><\/tr><tr><td>NIO(NIO1 NIO2)<\/td><td>New lO,\u975e\u963b\u585e, \u5f02\u6b65\u6a21\u578b(\u5e76\u884c). tomcat8\u5f00\u59cb\u9ed8\u8ba4\u5c31\u662fnio.<\/td><\/tr><tr><td>APR<\/td><td>\u5e94\u5bf9\u9ad8\u5e76\u53d1\u573a\u666f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f7f\u7528\u9ed8\u8ba4\u7684\u5373\u53ef<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>tomcat\u8bbe\u7f6e\u4e3anio2\u6a21\u578b<\/li>\n\n\n\n<li>Connector port=&#8221;8080&#8243;<\/li>\n\n\n\n<li>protocal=&#8221;org.apache.coyote.http11.Http11Nio2Protocol&#8221;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u770b\u65e5\u5fd7catalina.out(\u622a\u56fe\u4e2dhttp-ni2-8080 \u8868\u793a\u914d\u7f6e\u5b8c\u6210)<\/li>\n\n\n\n<li>\u4e86\u89e3-\u8bbe\u7f6eapr\u6a21\u578b<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b89\u88c5\u4f9d\u8d56: apr-devel tomcat-native<\/li>\n\n\n\n<li>protocal=&#8221;org.apache.coyote.http11.Http11AprProtocol&#8221;<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"nRMKW\">2\uff09tomcat java\u7ebf\u7a0b\u6570<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>tomcat\u4e3b\u914d\u7f6e\u6587\u4ef6<code>server.xml<\/code>\u4e2d, connector\u90e8\u5206(\u627e\u52308080)<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u914d\u7f6e\u5b8c\u91cd\u542ftomcat\u751f\u6548<\/li>\n\n\n\n<li>ps -efL|grep java \u67e5\u770b\u7ebf\u7a0b<\/li>\n<\/ul>\n\n\n\n<pre id=\"wnU8G\" class=\"wp-block-code\"><code>maxThreads=\"500\"   \u6700\u5927\u7684\u7ebf\u7a0b\u6570\u91cf(1\u4e2a\/\u591a\u4e2a\u8fde\u63a5\u9700\u89811\u4e2a\u7ebf\u7a0b) 200-400\u4e4b\u95f4,\u5177\u4f53\u7684\u6570\u503c\u9700\u8981\u8fdb\u884c\u538b\u529b\u6d4b\u8bd5\u548c\u7cfb\u7edf\u8d1f\u8f7d\u7684\u5177\u4f53\u60c5\u51b5\nacceptCount=\"500\"   \u5f53\u8fbe\u5230\u6700\u5927\u7ebf\u7a0b\u6570\u91cf\u7684\u65f6\u5019,\u961f\u5217\u957f\u5ea6acceptCount\u4e00\u822c\u4e0emaxThreads\u4e00\u81f4\nacceptorThreadCount=\"2\"  \u8bf7\u6c42\u5206\u6210\u51e0\u961f\u4f0d\u8fdb\u884c,\u6570\u503c\u4e0a\u4e0ecpu\u6838\u5fc3\u603b\u6570\u4e00\u81f4\u62162\u500d \u9ed8\u8ba4\u662f1\nminSpareThreads=\"10\"  \u7a7a\u95f2\u65f6\u5019\u6700\u5c0f\u7684\u7ebf\u7a0b\u6570\u91cf,\u4e0d\u5fd9\u7684\u65f6\u5019,\u6700\u5c11\u7559\u51e0\u4e2a\u670d\u52a1\u5458,\u503c\u73ed\u7684\u7ebf\u7a0b\u6570\u91cf\u8bbe\u7f6e\u6570\u503c\u7684\u5efa\u8bae,\u642d\u5efa\u597d\u73af\u5883,\u90e8\u7f72\u5e94\u7528,\u901a\u8fc7\u6d4b\u8bd5\u8f6f\u4ef6\u6d4b\u8bd5,\u76d1\u63a7\u72b6\u6001\n#\u6d4b\u8bd5\u8f6f\u4ef6: ab,\u538b\u529b\u6d4b\u8bd5\u5de5\u5177loadrunner...,jmeter<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"EYoWo\">3\uff09DNS,\u538b\u7f29<\/h3>\n\n\n\n<pre id=\"xl510\" class=\"wp-block-code\"><code>#\u7981\u7528DNS\u53cd\u5411\u89e3\u6790\u529f\u80fd,\u52a0\u901f\u8bbf\u95ee   \u57df\u540d---&gt;ip  ip--&gt;\u57df\u540d\nenableLookups=\"false\"\n\n#\u7c7b\u578b\u4e0engx,gzip\u538b\u7f29(\u63a8\u8350\u5728ngx\u914d\u7f6e)\ncompression=\"on\"   \u5f00\u542ftomcat\u538b\u7f29\u529f\u80fd,\u9759\u6001\u6587\u672c\u8d44\u6e90html,css,js\ncompressionMinSize=\"2048\"  \u5927\u4e8e2048\u5b57\u8282\u7684\u6587\u4ef6\u624d\u4f1a\u88ab\u538b\u7f29\ncompressableMimeType=\"text\/html,text\/plain,text\/css,application\/javascript applicat\nion\/json,application\/x-font-ttf,application\/x-font-otf\"<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"VNL0C\">4\uff09\u5c0f\u7ed3<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>io\u6a21\u578b\u4f18\u5316<\/li>\n\n\n\n<li>java\u7ebf\u7a0b\u6570\u91cf<\/li>\n\n\n\n<li>\u7981\u7528DNS\u53cd\u5411\u89e3\u6790<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"tPU7R\">4.2 JVM(java\u865a\u62df\u673a)\u4f18\u5316<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9002\u7528\u4e8ewar\/jar\u5305<\/li>\n\n\n\n<li>..\/tomcat\/bin\/catalina.sh\u6587\u4ef6\u4e2d\u7684\u5185\u5bb9<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8bbe\u7f6ejvm\u5185\u5b58\u5927\u5c0f<\/li>\n\n\n\n<li>\u914d\u7f6egc\u65e5\u5fd7(\u5783\u573e\u56de\u6536)<\/li>\n\n\n\n<li>\u914d\u7f6e\u81ea\u52a8dump\u529f\u80fd<\/li>\n<\/ul>\n\n\n\n<pre id=\"p2Thi\" class=\"wp-block-code\"><code>\u8bbe\u7f6ejvm\u521d\u59cb\u5185\u5b58\u5927\u5c0f,\u4e00\u822c\u7b49\u4e8ejvm\u6700\u5927\u5185\u5b58\u5927\u5c0f(\u9ed8\u8ba4\u7269\u7406\u5185\u5b58\u76841\/4)\n\u4fee\u6539..\/tomcat\/bin\/catalina.sh\u6587\u4ef6,124\u884c\u5de6\u53f3\u52a0\u5165\u4ee5\u4e0b\u5185\u5bb9:-----\u4f1a\u662fjava\u547d\u4ee4\u540e\u9762\u63a5\u7684\u9009\u9879\u53c2\u6570\nJAVA_OPTS='-Xms1024m -Xmx1024m -Xloggc:\/var\/log\/tomcat_gc.log'\n\n-Xms (start jvm) jvm\u521d\u59cb\u5185\u5b58\u5927\u5c0f(\u4e00\u542f\u52a8\u5c31\u5206\u914d\u5230\u7684\u5185\u5b58)\n-Xmx (max jvm) jvm\u6700\u5927\u5185\u5b58\n\n#\u65b9\u68481\n\u4e00\u822c-Xmx\u662f-Xms\u76842\u500d\n#\u65b9\u68482\n-Xmx\u4e0e-Xms\u4e00\u81f4,\u9632\u6b62\u91cd\u590dgc\u5783\u573e\u56de\u6536\n# gc garbage collect \u5783\u573e\u56de\u6536,\u5b9a\u671f\u6e05\u7406,jvm\u5185\u5b58\u4e0d\u591f\u6216\u6709\u5f02\u5e38\u65f6\u3002  \n# -Xloggc:\/var\/log\/tomcat_gc.log \u5783\u573e\u56de\u6536\u7684\u65e5\u5fd7<\/code><\/pre>\n\n\n\n<pre id=\"gb29u\" class=\"wp-block-code\"><code>-Xloggc:\/var\/log\/tomcat_gc.log<\/code><\/pre>\n\n\n\n<pre id=\"uIM8I\" class=\"wp-block-code\"><code>-XX:+HeapDumpOnOutOfMemoryError  #OOM\u6545\u969c; HeadDump\u81ea\u52a8\u5bfc\u51fa\n-XX:HeapDumpPath=\/app\/tools\/tomcat\/temp\/oom.hprof\n\n-XX:+HeapDumpOnOutOfMemoryError #\u5f00\u542f\u5bfc\u51fajvm\u955c\u50cf\u529f\u80fd,\u7528\u4e8ejava\/tomcat\u52a0\u8f7d\u5e94\u7528\u6545\u969c,\u5185\u5b58\u4e0d\u8db3oom (out of memory) \n-XX:HeapDumpPath=\/app\/tools\/tomcat\/temp\/oom.hprof #\u7528\u4e8e\u6307\u5b9ajvm\u5185\u5b58\u955c\u50cf\u5bfc\u51fa\u5230\u54ea\u91cc,\u6307\u5b9a\u76ee\u5f55<\/code><\/pre>\n\n\n\n<pre id=\"t7lIm\" class=\"wp-block-code\"><code>#catalina.sh  \u6240\u6709\u9009\u9879\u52a0\u5728\u4e00\u8d77:\nJAVA_OPTS='-Xms1024m -Xmx1024m -Xloggc:\/var\/log\/tomcat_gc.log -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=\/app\/tools\/tomcat\/temp\/oom.hprof'<\/code><\/pre>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"akLtH\">5.nginx\u4f18\u5316<\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7a77\u5219\u6218\u672f\u7a7f\u63d2,\u5bcc\u5219\u706b\u529b\u8986\u76d6<\/li>\n\n\n\n<li>\u4f18\u5316\u76ee\u6807: \u901a\u8fc7\u5404\u79cd\u7f13\u5b58\u51cf\u5c11\u7528\u6237\u76f4\u63a5\u7684\u8bbf\u95ee,\u7528\u6237\u8bbf\u95ee\u7f13\u5b58\u3002\u7f13\u5b58\u65e0\u5904\u4e0d\u5728,\u52a0\u901f\u8bfb\u53d6\u3002<\/li>\n\n\n\n<li>\u8fb9\u4f18\u5316\u8fb9\u6d4b\u8bd5(\u4f18\u5316\u524d&#8230;&#8230;\/\u4f18\u5316\u540e&#8230;&#8230;.)<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6d4b\u8bd5\u5de5\u5177: ab(apache bench\u538b\u529b\u6d4b\u8bd5\u5de5\u5177) \u8f6f\u4ef6\u5305\uff1ahttpd-tools<\/li>\n\n\n\n<li>java\u73af\u5883: jmeter\u6d4b\u8bd5<\/li>\n\n\n\n<li>\u4e13\u4e1a\u6d4b\u8bd5(\u5b8c\u5168\u6a21\u62df\u7528\u6237\u8bf7\u6c42\u6d41\u7a0b,\u767b\u5f55,\u4e0b\u8ba2\u5355\u7b49): \u4e66\u5199\u6d4b\u8bd5\u811a\u672c,\u81ea\u52a8\u5316\u6d4b\u8bd5(ai+\u5de5\u5177)<\/li>\n\n\n\n<li>loadrunner,python&#8230;<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Y9RsO\">5.1\u5b89\u5168\u4f18\u5316<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u5b89\u5168\u4f18\u5316<\/td><td>\u5177\u4f53\u64cd\u4f5c<\/td><td>\u4f4d\u7f6e<\/td><\/tr><tr><td>\u9690\u85cfnginx\u7248\u672c\u53f7<\/td><td><code>server_tokens off;<\/code><\/td><td>http\u533a\u57df<\/td><\/tr><tr><td>\u4fee\u6539\u7528\u6237<\/td><td><code>user www;<\/code><\/td><td>\u6838\u5fc3\u533a\u57df<\/td><\/tr><tr><td>\u4f18\u5316nginx\u670d\u52a1\u4e0a\u4f20\u6587\u4ef6\u9650\u5236<\/td><td><code>client_max_body_size<\/code> \u9ed8\u8ba4\u662f1MB<br>php\u9650\u5236\u5927\u5c0f<code>\/etc\/php.ini<\/code><br><code>post_max_size<\/code><br><code>upload_max_filesize<\/code><\/td><td>http\u533a\u57df<\/td><\/tr><tr><td>Nginx\u9632\u722c\u866b\u4f18\u5316 (bot\/spider)<\/td><td>\u5e0c\u671b\u641c\u7d22\u5f15\u64ce,\u722c\u53d6\u6211\u4eec\u7684\u7f51\u7ad9.<br>\u5176\u4ed6\u4eba\u5199\u7684\u722c\u866b,\u6076\u610f\u6536\u96c6\u4fe1\u606f.<br>1. \u541b\u5b50\u534f\u8bae<code>robots.txt<\/code> \u534f\u8bae,\u7ad9\u70b9\u76ee\u5f55\u4e0b.<br>2. nginx <code>if + ua<\/code>\u5934\u63a7\u5236<br>3. \u52a0\u5165\u767b\u5f55\u9a8c\u8bc1\u673a\u5236. \u8bbf\u95ee\u9891\u7387\u9650\u5236.<\/td><td>if\u914d\u7f6e\u5728server\u6216location\u4e2d<\/td><\/tr><tr><td>\u9632\u76d7\u94fe<\/td><td>\u67d0\u7f51\u7ad9\u76d7\u53d6\u5176\u4ed6\u7f51\u7ad9\u7684\u8d44\u6e90\u7684\u94fe\u63a5\u653e\u5728\u81ea\u5df1\u7f51\u7ad9\u4e2d\u3002<br>1. \u901a\u8fc7<code>referer\u5934<\/code>\u63a7\u5236\u4e0e\u9650\u5236<br>2. \u52a0\u5165\u767b\u5f55\u9a8c\u8bc1\u673a\u5236. \u8bbf\u95ee\u9891\u7387\u9650\u5236<\/td><td><\/td><\/tr><tr><td>dos,ddos,cc<\/td><td>1.\u63a7\u5236\u8bbf\u95ee\u9891\u7387(\u8bbf\u95ee,\u5904\u7406)<br>2.CDN(\u6d41\u91cf,\u5e26\u5bbd\u9884\u8b66)<br>3.DDOS\u9ad8\u9632ip(\u52a0\u94b1) \u5c3d\u5168\u529b\u9632\u62a4<\/td><td>\u4f7f\u7528<code>limit_req<\/code>\u548c<code>limit_conn<\/code>\u6a21\u5757\u63a7\u5236\u9891\u7387<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<pre id=\"fcjfS\" class=\"wp-block-code\"><code>#1.\u9ed1\u540d\u5355\u673a\u5236(server\/location\/http\u533a\u57df)\nif ($http_user_agent ~* \"python|curl|wget|xxxbot|xxxspider\") {\n  return 403;\n}\n\n#2.\u767d\u540d\u5355(\u8bef\u6740\u7684\u98ce\u9669,\u5f88\u96be\u5217\u5168,\u5bb9\u6613\u8bef\u6740)\nif ($http_user_agent !~* \"baidu|google|chrome|edge|ios|android\") {\n  return 403;\n}\n\n#UA\u4e5f\u53ef\u4ee5\u4f2a\u9020<\/code><\/pre>\n\n\n\n<pre id=\"Tqiku\" class=\"wp-block-code\"><code>\u5982\u679c\u7528\u6237\u662f\u76f4\u63a5\u8bbf\u95ee  ok $http_referer\u7a7a\n\u7528\u6237\u901a\u8fc7baidu,google\u641c\u7d22\u5230\u7f51\u7ad9, $http_referer\u662fbaidu\u6216google,  ok\n\u5176\u4ed6referer\u90fd\u62d2\u7edd\n\nif ($http_referer !~* \"baidu.com|google.com|^$\") {\n  return 403;\n}<\/code><\/pre>\n\n\n\n<pre id=\"yKPH2\" class=\"wp-block-code\"><code>\u5206\u6790\u8bbf\u95ee\u65e5\u5fd7,secure\u65e5\u5fd7\u83b7\u53d6ip\u6b21\u6570--awk,sort,uniq\n\u4ea4\u7ed9\u9632\u706b\u5899,\u5b89\u5168\u7ec4\u62d2\u7edd,ngx\u5c4f\u853d\u5373\u53ef<\/code><\/pre>\n\n\n\n<pre id=\"PvAeU\" class=\"wp-block-code\"><code>ddos  4\u5c42tcp\/udp\ncc   7\u5c42\u5e94\u7528\u5c42\n\n\u9884\u9632\u65b9\u6848:\n1. CDN(\u8bf7\u6c42\u90fd\u843d\u5728cdn\u4e0a,\u6d41\u91cf\u5f97\u82b1\u94b1)\n2. nginx\u9650\u6d41,\u9650\u5236\u8bbf\u95ee\u9891\u7387,limit_req  limit_conn\n3. \u7ec8\u6781\u65b9\u6848:DDOS\u9ad8\u9632ip,\u6210\u672c\u9ad8<\/code><\/pre>\n\n\n\n<pre id=\"Rt5tH\" class=\"wp-block-code\"><code>limit_conn_module(connection)  \u8fde\u63a5\u9891\u7387\u9650\u5236(\u670d\u52a1\u7aef)\nlimit_req_module(request)   \u8bf7\u6c42\u9891\u7387\u9650\u5236(\u5ba2\u6237\u7aef)\n\nhttp\u533a\u57df {\n   limit_conn_zone $binary_remote_addr zone=conn_zone:10m;\n       #limit_conn_zone  \u521b\u5efa\u6728\u6876 \n       #$binary_remote_addr  \u6839\u636e\u5ba2\u6237\u7aefip\u8fdb\u884c\u9650\u5236 ipv4 4\u5b57\u8282 ipv6 16\u5b57\u8282\n       #zone=\u6728\u6876\u540d\u5b57:\u5927\u5c0f; 10m 10MB\u7a7a\u95f4\n   limit_req_zone $binary_remote_addr zone=req_zone:10m rate=1r\/s;    #1\u79d21\u4e2a\u8bf7\u6c42\n  \nserver {\n     limit_conn conn_zone 10;\n     limit_req   zone=req_zone  burst=5;  #\u5e76\u53d15\u4e2a 5\u4e2a\u6d1e\n\n     location \/ {\n            root \/app\/nginx\/html\/;\n            index index.html;\n       }\n}\n}<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"O7Gxy\">5.2\u6027\u80fd\u4f18\u5316<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u6027\u80fd\u4f18\u5316<\/td><td>\u8bf4\u660e<\/td><td>\u5e94\u7528<\/td><\/tr><tr><td>expires<\/td><td>\u6d4f\u89c8\u5668\u7f13\u5b58<\/td><td>\u7f13\u5b58\u9759\u6001\u8d44\u6e90<\/td><\/tr><tr><td>io\u6a21\u578b<\/td><td>\u9ed8\u8ba4\u4f7f\u7528epoll\uff08\u5f02\u6b65\u5e76\u884c\uff09<\/td><td>events\u533a\u57df use epoll;<\/td><\/tr><tr><td rowspan=\"2\">\u4fee\u6539\u5de5\u5177\u4eba\u8fdb\u7a0b\u6570\u91cf\u4e0e\u8fdb\u7a0b\u5904\u7406\u8fde\u63a5\u6570<\/td><td><code>worker_processes auto;<\/code>(cpu\u6838\u5fc3\u6570\u6709\u5173,\u6216\u53ef\u4ee5\u8bbe\u7f6e\u4e3a\u6838\u5fc3\u65702\u500d)<\/td><td>\u6838\u5fc3\u533a\u57df<\/td><\/tr><tr><td><code>worker_connections 102400;<\/code><br>\u4fee\u6539\u7cfb\u7edf\u9650\u5236\uff1a\u6587\u4ef6\u63cf\u8ff0\u7b26<\/td><td>events\u533a\u57df<\/td><\/tr><tr><td>\u8ba9\u6bcf\u4e2a\u5de5\u5177\u4eba\u8fdb\u7a0b\u53ef\u4ee5\u540c\u65f6\u5904\u7406\u591a\u4e2a\u8bf7\u6c42<\/td><td><code>multi_accept on<\/code><\/td><td>events\u533a\u57df<\/td><\/tr><tr><td>gzip\u538b\u7f29(gzip)<\/td><td><code>gzip on;<\/code>\u5bf9\u9759\u6001\u8d44\u6e90\u538b\u7f29,\u4e00\u822c\u5e38\u7528\u8d44\u6e90\u538b\u7f29<\/td><td>http\/server\u533a\u57df<\/td><\/tr><tr><td>brotli\u538b\u7f29(br) \u7b2c\u4e09\u53d1\u63d2\u4ef6<\/td><td>\u5bf9\u9759\u6001\u8d44\u6e90\u538b\u7f29,\u9488\u5bf9https\u4f18\u5316\u538b\u7f29\u6548\u679c<\/td><td>http\/server\u533a\u57df<\/td><\/tr><tr><td>cpu\u4eb2\u548c\u529b<\/td><td>\u591a\u6838\u5fc3\u7cfb\u7edf\u4e2d,\u5c3d\u53ef\u80fd\u628a\u6240\u6709cpu\u6838\u5fc3\u90fd\u7528\u4e0a.<br><code>worker_cpu_affinity auto<\/code><\/td><td>\u6838\u5fc3\u533a\u57df<\/td><\/tr><tr><td>\u5404\u79cd\u7f13\u5b58<\/td><td>xxxx_buffer<br>xxxx_cache<\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>buffer vs cache \u5171\u540c\u70b9: \u7f13\u5b58\u5b58\u653e\u6570\u636e<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>cache \u7f13\u5b58 \u52a0\u901f\u8bfb\u53d6(\u653e\u5185\u5b58\u4e2d\u4f9b\u7528\u6237\u8bfb\u53d6)<\/li>\n\n\n\n<li>buffer \u7f13\u51b2 \u5199\u5165\u5185\u5bb9(\u5148\u5199\u5230buffer\u4e2d,\u8fc7\u4e00\u6bb5\u65f6\u95f4\u5199\u5165\u5230\u78c1\u76d8)<\/li>\n<\/ul>\n\n\n\n<pre id=\"jdSNN\" class=\"wp-block-code\"><code>#1.\u547d\u4ee4 \u4e34\u65f6 \u91cd\u65b0\u767b\u5f55\u5931\u6548\nulimit -n  65535\n\n#2.\u914d\u7f6e\u6587\u4ef6 \u6c38\u4e45 \u91cd\u65b0\u767b\u5f55\u751f\u6548\ncat  &gt;&gt;\/etc\/security\/limits.conf &lt;&lt;'EOF'\n*  soft  nofile  65535\n*  hard  nofile  65535\nEOF\n\n&#91;root@web03 ~]# ulimit -n  65535<\/code><\/pre>\n\n\n\n<pre id=\"CxKz0\" class=\"wp-block-code\"><code>  gzip on;\n  gzip_min_length 1k;  #\u8bbe\u7f6e\u5927\u4e8e1KB\u624d\u8fdb\u884c\u538b\u7f29(\u5360\u7528cpu\u8d44\u6e90)\n  gzip_buffers 4 16k;  #\u8bbe\u7f6e\u538b\u7f29\u7f13\u5b58 4\u4e2a\u6bcf\u4e2a16k\n  #gzip_http_version 1.0;\n  gzip_comp_level 2;  #\u538b\u7f29\u7ea7\u522b \u6570\u5b57\u8d8a\u5927 \u538b\u7f29\u7387(\u5360\u7528\u7a7a\u95f4)\u8d8a\u5c0f \u5360\u7528CPU\u8d8a\u591a\n  gzip_types text\/plain application\/x-javascript text\/css application\/xml text\/javascript application\/x-httpd-php ;  #\u54ea\u4e9b\u7c7b\u578b\u7684\u6587\u4ef6 \u9700\u8981\u8fdb\u884c\u538b\u7f29 \u8fd9\u4e9b\u7c7b\u578b\u9700\u7528mime type\u5a92\u4f53\u7c7b\u578b.\n#cat mime.types      #\u5a92\u4f53\u7c7b\u578b(http) == \u6587\u4ef6\u7c7b\u578b,\u6269\u5c55\u540d(linux)\n\n\n#\u9488\u5bf9http2.0  google\u5f04\u7684nginx\u63d2\u4ef6 \u7b2c\u4e09\u65b9\u63d2\u4ef6.\nbrotli  on;\n    brotli_comp_level 6;\n    brotli_types      text\/plain text\/css text\/xml application\/json \napplication\/javascript application\/rss+xml application\/atom+xml image\/svg+xml;\n\n#F12--&gt;content-encoding\u53ef\u67e5\u770b\n#\u4f5c\u7528: \u7528\u6237\u5411\u670d\u52a1\u5668\u8bf7\u6c42\u8d44\u6e90--&gt;\u670d\u52a1\u5668\u8fd4\u56de\u65f6\u538b\u7f29\u4e00\u4e0b(\u8282\u7ea6\u5e26\u5bbd)<\/code><\/pre>\n\n\n\n<pre id=\"q8GR7\" class=\"wp-block-code\"><code>#\u5f00\u542f buffer\u529f\u80fd(\u9632\u6b62css\u7b49\u9759\u6001\u9875\u9762\u8fc7\u5927\u663e\u793a\u4e0d\u51fa\u6765)\nproxy_buffering on;\n#proxy_buffers 8 4k|8k ;    \u9ed8\u8ba4(8\u4e2a\u5c0f\u533a\u57df,4k\u62168k) 8*4k 32k   8*8k 64k\nproxy_buffers 128 64k;\nproxy_busy_buffers_size 128k;  #\u7cfb\u7edf\u7e41\u5fd9\u7684\u65f6\u5019\u6bcf\u4e2a\u5757128k<\/code><\/pre>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"qDBJB\">\u603b\u7ed3<\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li>tomcat\u4f18\u5316: \u7ebf\u7a0b\u6570\uff0cxmx,xms<\/li>\n\n\n\n<li>nginx: \u6027\u80fd\uff0c\u5b89\u5168<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>1.\u7f16\u8bd1\u5b89\u88c5&#8211;\u5347\u7ea7python3.11 1.1\u5347\u7ea7python3.11\u5168\u6d41\u7a0b 1.2\u7ba1\u7406\u7aef\u5347\u7ea7py [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":81,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-80","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/www.xueyaa.top\/index.php?rest_route=\/wp\/v2\/posts\/80","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xueyaa.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xueyaa.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xueyaa.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xueyaa.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=80"}],"version-history":[{"count":1,"href":"https:\/\/www.xueyaa.top\/index.php?rest_route=\/wp\/v2\/posts\/80\/revisions"}],"predecessor-version":[{"id":82,"href":"https:\/\/www.xueyaa.top\/index.php?rest_route=\/wp\/v2\/posts\/80\/revisions\/82"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xueyaa.top\/index.php?rest_route=\/wp\/v2\/media\/81"}],"wp:attachment":[{"href":"https:\/\/www.xueyaa.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=80"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xueyaa.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=80"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xueyaa.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=80"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}