{"id":677,"date":"2018-03-09T09:32:02","date_gmt":"2018-03-09T01:32:02","guid":{"rendered":"https:\/\/blog.jsjs.org\/?p=677"},"modified":"2018-03-09T09:32:02","modified_gmt":"2018-03-09T01:32:02","slug":"linux-%e5%85%a5%e4%be%b5%e7%b1%bb%e9%97%ae%e9%a2%98%e6%8e%92%e6%9f%a5%e6%80%9d%e8%b7%af","status":"publish","type":"post","link":"https:\/\/blog.jsjs.org\/?p=677","title":{"rendered":"Linux \u5165\u4fb5\u7c7b\u95ee\u9898\u6392\u67e5\u601d\u8def"},"content":{"rendered":"<h2 id=\".E6.B7.B1.E5.85.A5.E5.88.86.E6.9E.90.EF.BC.8C.E6.9F.A5.E6.89.BE.E5.85.A5.E4.BE.B5.E5.8E.9F.E5.9B.A0\">\u6df1\u5165\u5206\u6790\uff0c\u67e5\u627e\u5165\u4fb5\u539f\u56e0<\/h2>\n<h3 id=\".E4.B8.80.E3.80.81.E6.A3.80.E6.9F.A5.E9.9A.90.E8.97.8F.E8.B4.A6.E6.88.B7.E5.8F.8A.E5.BC.B1.E5.8F.A3.E4.BB.A4\">\u4e00\u3001\u68c0\u67e5\u9690\u85cf\u8d26\u6237\u53ca\u5f31\u53e3\u4ee4<\/h3>\n<ol>\n<li>\u68c0\u67e5\u670d\u52a1\u5668\u7cfb\u7edf\u53ca\u5e94\u7528\u8d26\u6237\u662f\u5426\u5b58\u5728\u00a0<strong>\u5f31\u53e3\u4ee4<\/strong>\uff1a\n<ul>\n<li>\u68c0\u67e5\u8bf4\u660e\uff1a\u68c0\u67e5\u7ba1\u7406\u5458\u8d26\u6237\u3001\u6570\u636e\u5e93\u8d26\u6237\u3001MySQL \u8d26\u6237\u3001tomcat \u8d26\u6237\u3001\u7f51\u7ad9\u540e\u53f0\u7ba1\u7406\u5458\u8d26\u6237\u7b49\u5bc6\u7801\u8bbe\u7f6e\u662f\u5426\u8f83\u4e3a\u7b80\u5355\uff0c\u7b80\u5355\u7684\u5bc6\u7801\u5f88\u5bb9\u6613\u88ab\u9ed1\u5ba2\u7834\u89e3\u3002<\/li>\n<li>\u89e3\u51b3\u65b9\u6cd5\uff1a\u4ee5\u7ba1\u7406\u5458\u6743\u9650\u767b\u5f55\u7cfb\u7edf\u6216\u5e94\u7528\u7a0b\u5e8f\u540e\u53f0\uff0c\u4fee\u6539\u4e3a\u590d\u6742\u7684\u5bc6\u7801\u3002<\/li>\n<li>\u98ce\u9669\u6027\uff1a\u9ad8<\/li>\n<\/ul>\n<\/li>\n<li>\u4f7f\u7528<code>last<\/code>\u547d\u4ee4\u67e5\u770b\u4e0b\u670d\u52a1\u5668\u8fd1\u671f\u767b\u5f55\u7684\u8d26\u6237\u8bb0\u5f55\uff0c\u786e\u8ba4\u662f\u5426\u6709\u53ef\u7591 IP \u767b\u5f55\u8fc7\u673a\u5668\uff1a\n<ul>\n<li>\u68c0\u67e5\u8bf4\u660e\uff1a\u653b\u51fb\u8005\u6216\u8005\u6076\u610f\u8f6f\u4ef6\u5f80\u5f80\u4f1a\u5f80\u7cfb\u7edf\u4e2d\u6ce8\u5165\u9690\u85cf\u7684\u7cfb\u7edf\u8d26\u6237\u5b9e\u65bd\u63d0\u6743\u6216\u5176\u4ed6\u7834\u574f\u6027\u7684\u653b\u51fb\u3002<\/li>\n<li>\u89e3\u51b3\u65b9\u6cd5\uff1a\u68c0\u67e5\u53d1\u73b0\u6709\u53ef\u7591\u7528\u6237\u65f6\uff0c\u53ef\u4f7f\u7528\u547d\u4ee4<code>usermod -L \u7528\u6237\u540d<\/code>\u7981\u7528\u7528\u6237\u6216\u8005\u4f7f\u7528\u547d\u4ee4<code>userdel -r \u7528\u6237\u540d<\/code>\u5220\u9664\u7528\u6237\u3002<\/li>\n<li>\u98ce\u9669\u6027\uff1a\u9ad8<\/li>\n<\/ul>\n<\/li>\n<li>\u901a\u8fc7<code>less \/var\/log\/secure|grep 'Accepted'<\/code>\u547d\u4ee4\uff0c\u67e5\u770b\u662f\u5426\u6709\u53ef\u7591 IP \u767b\u5f55\u673a\u5668\u6210\u529f\uff1a\n<ul>\n<li>\u68c0\u67e5\u8bf4\u660e\uff1a\u653b\u51fb\u8005\u6216\u8005\u6076\u610f\u8f6f\u4ef6\u5f80\u5f80\u4f1a\u5f80\u7cfb\u7edf\u4e2d\u6ce8\u5165\u9690\u85cf\u7684\u7cfb\u7edf\u8d26\u6237\u5b9e\u65bd\u63d0\u6743\u6216\u5176\u4ed6\u7834\u574f\u6027\u7684\u653b\u51fb\u3002<\/li>\n<li>\u89e3\u51b3\u65b9\u6cd5\uff1a \u4f7f\u7528\u547d\u4ee4<code>usermod -L \u7528\u6237\u540d<\/code>\u7981\u7528\u7528\u6237\u6216\u8005\u4f7f\u7528\u547d\u4ee4<code>userdel -r \u7528\u6237\u540d<\/code>\u5220\u9664\u7528\u6237\u3002<\/li>\n<li>\u98ce\u9669\u6027\uff1a\u9ad8<\/li>\n<\/ul>\n<\/li>\n<li>\u68c0\u67e5\u7cfb\u7edf\u662f\u5426\u91c7\u7528\u00a0<strong>\u9ed8\u8ba4\u7ba1\u7406\u7aef\u53e3<\/strong>\uff1a\n<ul>\n<li>\u68c0\u67e5\u7cfb\u7edf\u6240\u7528\u7684\u7ba1\u7406\u7aef\u53e3\uff08SSH\u3001FTP\u3001MySQL\u3001Reids \u7b49\uff09\u662f\u5426\u4e3a\u9ed8\u8ba4\u7aef\u53e3\uff0c\u8fd9\u4e9b\u9ed8\u8ba4\u7aef\u53e3\u5f80\u5f80\u88ab\u5bb9\u6613\u81ea\u52a8\u5316\u7684\u5de5\u5177\u8fdb\u884c\u7206\u7834\u6210\u529f\u3002<\/li>\n<li>\u89e3\u51b3\u65b9\u6cd5\uff1a\n<ol>\n<li>\u5728\u670d\u52a1\u5668\u5185\u7f16\u8f91<code>\/etc\/ssh\/sshd_config<\/code>\u6587\u4ef6\u4e2d\u7684 Port 22\uff0c\u5c06 22 \u4fee\u6539\u4e3a\u975e\u9ed8\u8ba4\u7aef\u53e3\uff0c\u4fee\u6539\u4e4b\u540e\u9700\u8981\u91cd\u542f ssh \u670d\u52a1\uff1b<\/li>\n<li>\u8fd0\u884c<code>\/etc\/init.d\/sshd restart<\/code>\u547d\u4ee4\u91cd\u542f\u662f\u914d\u7f6e\u751f\u6548\uff1b<\/li>\n<li>\u4fee\u6539 FTP\u3001MySQL\u3001Reids \u7b49\u7684\u7a0b\u5e8f\u914d\u7f6e\u6587\u4ef6\u7684\u9ed8\u8ba4\u76d1\u542c\u7aef\u53e3 21\u30013306\u30016379 \u4e3a\u5176\u4ed6\u7aef\u53e3\uff1b<\/li>\n<li>\u9650\u5236\u8fdc\u7a0b\u767b\u5f55\u7684 IP\uff0c\u7f16\u8f91<code>\/etc\/hosts.deny<\/code>\u00a0\u3001<code>\/etc\/hosts.allow<\/code>\u4e24\u4e2a\u6587\u4ef6\u6765\u9650\u5236 IP\u3002<\/li>\n<\/ol>\n<\/li>\n<li>\u98ce\u9669\u6027\uff1a\u9ad8<\/li>\n<\/ul>\n<\/li>\n<li>\u68c0\u67e5<code>\/etc\/passwd<\/code>\u6587\u4ef6\uff0c\u770b\u662f\u5426\u6709\u975e\u6388\u6743\u8d26\u6237\u767b\u5f55\uff1a\n<ul>\n<li>\u68c0\u67e5\u8bf4\u660e\uff1a\u653b\u51fb\u8005\u6216\u8005\u6076\u610f\u8f6f\u4ef6\u5f80\u5f80\u4f1a\u5f80\u7cfb\u7edf\u4e2d\u6ce8\u5165\u9690\u85cf\u7684\u7cfb\u7edf\u8d26\u6237\u5b9e\u65bd\u63d0\u6743\u6216\u5176\u4ed6\u7834\u574f\u6027\u7684\u653b\u51fb\u3002<\/li>\n<li>\u89e3\u51b3\u65b9\u6cd5\uff1a \u4f7f\u7528\u547d\u4ee4<code>usermod -L \u7528\u6237\u540d<\/code>\u7981\u7528\u7528\u6237\u6216\u8005\u4f7f\u7528\u547d\u4ee4<code>userdel -r \u7528\u6237\u540d<\/code>\u5220\u9664\u7528\u6237\u3002<\/li>\n<li>\u98ce\u9669\u6027\uff1a\u4e2d<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3 id=\".E4.BA.8C.E3.80.81.E6.A3.80.E6.9F.A5.E6.81.B6.E6.84.8F.E8.BF.9B.E7.A8.8B.E5.8F.8A.E9.9D.9E.E6.B3.95.E7.AB.AF.E5.8F.A3\">\u4e8c\u3001\u68c0\u67e5\u6076\u610f\u8fdb\u7a0b\u53ca\u975e\u6cd5\u7aef\u53e3<\/h3>\n<ol>\n<li>\u8fd0\u884c<code>netstat \u2013antlp<\/code>\u67e5\u770b\u4e0b\u670d\u52a1\u5668\u662f\u5426\u6709\u672a\u88ab\u6388\u6743\u7684\u7aef\u53e3\u88ab\u76d1\u542c\uff0c\u67e5\u770b\u4e0b\u5bf9\u5e94\u7684 pid\u3002\n<ul>\n<li>\u68c0\u67e5\u670d\u52a1\u5668\u662f\u5426\u5b58\u5728\u6076\u610f\u8fdb\u7a0b,\u6076\u610f\u8fdb\u7a0b\u5f80\u5f80\u4f1a\u5f00\u542f\u76d1\u542c\u7aef\u53e3\uff0c\u4e0e\u5916\u90e8\u63a7\u5236\u673a\u5668\u8fdb\u884c\u8fde\u63a5\u3002<\/li>\n<li>\u89e3\u51b3\u65b9\u6cd5\uff1a\n<ol>\n<li>\u82e5\u53d1\u5148\u6709\u975e\u6388\u6743\u8fdb\u7a0b\uff0c\u8fd0\u884c<code>ls -l \/proc\/$PID\/exe<\/code>\u6216<code>file \/proc\/$PID\/exe<\/code>\uff08$PID \u4e3a\u5bf9\u5e94\u7684pid \u53f7\uff09\uff0c\u67e5\u770b\u4e0b pid \u6240\u5bf9\u5e94\u7684\u8fdb\u7a0b\u6587\u4ef6\u8def\u5f84\u3002<\/li>\n<li>\u5982\u679c\u4e3a\u6076\u610f\u8fdb\u7a0b\uff0c\u5220\u9664\u4e0b\u5bf9\u5e94\u7684\u6587\u4ef6\u5373\u53ef\u3002<\/li>\n<\/ol>\n<\/li>\n<li>\u98ce\u9669\u6027\uff1a\u9ad8<\/li>\n<\/ul>\n<\/li>\n<li>\u4f7f\u7528<code>ps -ef<\/code>\u548c<code>top<\/code>\u547d\u4ee4\u67e5\u770b\u662f\u5426\u6709\u5f02\u5e38\u8fdb\u7a0b\n<ul>\n<li>\u68c0\u67e5\u8bf4\u660e\uff1a\u8fd0\u884c\u4ee5\u4e0a\u547d\u4ee4\uff0c\u5f53\u53d1\u73b0\u6709\u540d\u79f0\u4e0d\u65ad\u53d8\u5316\u7684\u975e\u6388\u6743\u8fdb\u7a0b\u5360\u7528\u5927\u91cf\u7cfb\u7edf CPU \u6216\u5185\u5b58\u8d44\u6e90\u65f6\uff0c\u5219\u53ef\u80fd\u4e3a\u6076\u610f\u7a0b\u5e8f\u3002<\/li>\n<li>\u89e3\u51b3\u65b9\u6cd5\uff1a\u786e\u8ba4\u8be5\u8fdb\u7a0b\u4e3a\u6076\u610f\u8fdb\u7a0b\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528<code>kill -9 \u8fdb\u7a0b\u540d<\/code>\u547d\u4ee4\u7ed3\u675f\u8fdb\u7a0b\uff0c\u6216\u4f7f\u7528\u9632\u706b\u5899\u9650\u5236\u8fdb\u7a0b\u5916\u8054\u3002<\/li>\n<li>\u98ce\u9669\u6027\uff1a\u9ad8<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3 id=\".E4.B8.89.E3.80.81.E6.A3.80.E6.9F.A5.E6.81.B6.E6.84.8F.E7.A8.8B.E5.BA.8F.E5.92.8C.E5.8F.AF.E7.96.91.E5.90.AF.E5.8A.A8.E9.A1.B9\">\u4e09\u3001\u68c0\u67e5\u6076\u610f\u7a0b\u5e8f\u548c\u53ef\u7591\u542f\u52a8\u9879<\/h3>\n<ol>\n<li>\u4f7f\u7528<code>chkconfig --list<\/code>\u548c<code>cat \/etc\/rc.local<\/code>\u547d\u4ee4\u67e5\u770b\u4e0b\u5f00\u673a\u542f\u52a8\u9879\u4e2d\u662f\u5426\u6709\u5f02\u5e38\u7684\u542f\u52a8\u670d\u52a1\n<ul>\n<li>\u68c0\u67e5\u8bf4\u660e\uff1a\u6076\u610f\u7a0b\u5e8f\u5f80\u5f80\u4f1a\u6dfb\u52a0\u5728\u7cfb\u7edf\u7684\u542f\u52a8\u9879\uff0c\u5728\u7528\u6237\u5173\u673a\u91cd\u542f\u540e\u518d\u6b21\u8fd0\u884c<\/li>\n<li>\u89e3\u51b3\u65b9\u6cd5\uff1a\u5982\u53d1\u73b0\u6709\u6076\u610f\u8fdb\u7a0b\uff0c\u53ef\u4f7f\u7528<code>chkconfig \u670d\u52a1\u540d off<\/code>\u547d\u4ee4\u5173\u95ed\uff0c\u540c\u65f6\u68c0\u67e5<code>\/etc\/rc.local<\/code>\u4e2d\u662f\u5426\u6709\u5f02\u5e38\u9879\u76ee\uff0c\u5982\u6709\u8bf7\u6ce8\u91ca\u6389\u3002<\/li>\n<li>\u98ce\u9669\u6027\uff1a\u9ad8<\/li>\n<\/ul>\n<\/li>\n<li>\u8fdb\u5165 cron \u6587\u4ef6\u76ee\u5f55\uff0c\u67e5\u770b\u662f\u5426\u5b58\u5728\u975e\u6cd5\u5b9a\u65f6\u4efb\u52a1\u811a\u672c\n<ul>\n<li>\u68c0\u67e5\u8bf4\u660e\uff1a\u67e5\u770b<code>\/etc\/crontab<\/code>\uff0c<code>\/etc\/cron.d<\/code>\uff0c<code>\/etc\/cron.daily<\/code>\uff0c<code>cron.hourly\/<\/code>\uff0c<code>cron.monthly<\/code>\uff0c<code>cron.weekly\/<\/code>\u662f\u5426\u5b58\u5728\u53ef\u4ee5\u811a\u672c\u6216\u7a0b\u5e8f\u3002<\/li>\n<li>\u89e3\u51b3\u65b9\u6cd5\uff1a\u5982\u53d1\u73b0\u6709\u4e0d\u8ba4\u8bc6\u7684\u8ba1\u5212\u4efb\u52a1\uff0c\u53ef\u5b9a\u4f4d\u811a\u672c\u786e\u8ba4\u662f\u5426\u6b63\u5e38\u4e1a\u52a1\u811a\u672c\uff0c\u5982\u679c\u975e\u6b63\u5e38\u4e1a\u52a1\u811a\u672c\uff0c\u53ef\u76f4\u63a5\u6ce8\u91ca\u6389\u4efb\u52a1\u5185\u5bb9\u6216\u5220\u9664\u811a\u672c\u3002<\/li>\n<li>\u98ce\u9669\u6027\uff1a\u9ad8<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3 id=\".E5.9B.9B.E3.80.81.E6.A3.80.E6.9F.A5.E7.AC.AC.E4.B8.89.E6.96.B9.E8.BD.AF.E4.BB.B6.E6.BC.8F.E6.B4.9E\">\u56db\u3001\u68c0\u67e5\u7b2c\u4e09\u65b9\u8f6f\u4ef6\u6f0f\u6d1e<\/h3>\n<ol>\n<li>\u5982\u679c\u60a8\u670d\u52a1\u5668\u5185\u6709\u8fd0\u884c Web\u3001\u6570\u636e\u5e93\u7b49\u5e94\u7528\u670d\u52a1\uff0c\u8bf7\u60a8\u9650\u5236\u5e94\u7528\u7a0b\u5e8f\u8d26\u6237\u5bf9\u6587\u4ef6\u7cfb\u7edf\u7684\u5199\u6743\u9650\uff0c\u540c\u65f6\u5c3d\u91cf\u4f7f\u7528\u975e root \u8d26\u6237\u8fd0\u884c\u3002\n<ul>\n<li>\u68c0\u67e5\u8bf4\u660e\uff1a\u4f7f\u7528\u975e root \u8d26\u6237\u8fd0\u884c\u53ef\u4ee5\u4fdd\u969c\u5728\u5e94\u7528\u7a0b\u5e8f\u88ab\u653b\u9677\u540e\u653b\u51fb\u8005\u65e0\u6cd5\u7acb\u5373\u8fdc\u7a0b\u63a7\u5236\u670d\u52a1\u5668\uff0c\u51cf\u5c11\u653b\u51fb\u635f\u5931<\/li>\n<li>\u89e3\u51b3\u65b9\u6cd5\uff1a\n<ol>\n<li>\u8fdb\u5165 web \u670d\u52a1\u6839\u76ee\u5f55\u6216\u6570\u636e\u5e93\u914d\u7f6e\u76ee\u5f55\uff1b<\/li>\n<li>\u8fd0\u884c<code>chown -R apache:apache \/var\/www\/xxxx<\/code>\u3001<code>chmod -R 750 file1.txt<\/code>\u547d\u4ee4\u914d\u7f6e\u7f51\u7ad9\u8bbf\u95ee\u6743\u9650\u3002<\/li>\n<\/ol>\n<\/li>\n<li>\u98ce\u9669\u6027\uff1a\u4e2d<\/li>\n<li><a href=\"https:\/\/cloud.tencent.com\/document\/product\/296\/9604#ex\" target=\"_blank\" rel=\"noopener\">\u53c2\u8003\u793a\u4f8b<\/a><\/li>\n<\/ul>\n<\/li>\n<li>\u5347\u7ea7\u4fee\u590d\u5e94\u7528\u7a0b\u5e8f\u6f0f\u6d1e\n<ul>\n<li>\u68c0\u67e5\u8bf4\u660e\uff1a\u673a\u5668\u88ab\u5165\u4fb5\uff0c\u90e8\u5206\u539f\u56e0\u662f\u7cfb\u7edf\u4f7f\u7528\u7684\u5e94\u7528\u7a0b\u5e8f\u8f6f\u4ef6\u7248\u672c\u8f83\u8001\uff0c\u5b58\u5728\u8f83\u591a\u7684\u6f0f\u6d1e\u800c\u6ca1\u6709\u4fee\u590d\uff0c\u5bfc\u81f4\u53ef\u4ee5\u88ab\u5165\u4fb5\u5229\u7528\u3002<\/li>\n<li>\u89e3\u51b3\u65b9\u6cd5\uff1a\u6bd4\u8f83\u5178\u578b\u7684\u6f0f\u6d1e\u5982 ImageMagick\u3001openssl\u3001glibc \u7b49\uff0c\u7528\u6237\u53ef\u4ee5\u6839\u636e\u817e\u8baf\u4e91\u5df2\u53d1\u5e03\u5b89\u5168\u901a\u544a\u6307\u5bfc\u901a\u8fc7 apt-get\/yum \u7b49\u65b9\u5f0f\u8fdb\u884c\u76f4\u63a5\u5347\u7ea7\u4fee\u590d\u3002<\/li>\n<li>\u98ce\u9669\u6027\uff1a\u9ad8<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><a id=\"ex\"><\/a><br \/>\n<strong>\u5982\u4e0b\u4e3a\u7f51\u7ad9\u76ee\u5f55\u6587\u4ef6\u6743\u9650\u7684\u53c2\u8003\u793a\u4f8b\uff1a<\/strong><br \/>\n<strong>\u573a\u666f\uff1a<\/strong><br \/>\n\u6211\u4eec\u5047\u8bbe http \u670d\u52a1\u5668\u8fd0\u884c\u7684\u7528\u6237\u548c\u7528\u6237\u7ec4\u662f www\uff0c\u7f51\u7ad9\u7528\u6237\u4e3a centos\uff0c\u7f51\u7ad9\u6839\u76ee\u5f55\u662f<code>\/home\/centos\/web<\/code>\u3002<\/p>\n<p><strong>\u65b9\u6cd5\/\u6b65\u9aa4\uff1a<\/strong><\/p>\n<ol>\n<li>\u6211\u4eec\u9996\u5148\u8bbe\u5b9a\u7f51\u7ad9\u76ee\u5f55\u548c\u6587\u4ef6\u7684\u6240\u6709\u8005\u548c\u6240\u6709\u7ec4\u4e3a centos\uff0cwww\uff0c\u5982\u4e0b\u547d\u4ee4\uff1a\n<div class=\"markdown-code J-markdownCode\">\n<div class=\"markdown-code-bd J-codeBox\">\n<pre><code><span class=\"hljs-keyword\">chown<\/span> -R centos:www \/home\/centos\/web\n<\/code><\/pre>\n<\/div>\n<\/div>\n<\/li>\n<li>\u8bbe\u7f6e\u7f51\u7ad9\u76ee\u5f55\u6743\u9650\u4e3a 750\uff0c750 \u662f centos \u7528\u6237\u5bf9\u76ee\u5f55\u62e5\u6709\u8bfb\u5199\u6267\u884c\u7684\u6743\u9650\uff0c\u8bbe\u7f6e\u540e\uff0ccentos \u7528\u6237\u53ef\u4ee5\u5728\u4efb\u4f55\u76ee\u5f55\u4e0b\u521b\u5efa\u6587\u4ef6\uff0c\u7528\u6237\u7ec4\u6709\u6709\u8bfb\u6267\u884c\u6743\u9650\uff0c\u8fd9\u6837\u624d\u80fd\u8fdb\u5165\u76ee\u5f55\uff0c\u5176\u5b83\u7528\u6237\u6ca1\u6709\u4efb\u4f55\u6743\u9650\u3002\n<div class=\"markdown-code J-markdownCode\">\n<div class=\"markdown-code-bd J-codeBox\">\n<pre><code>find -type d -<span class=\"hljs-keyword\">exec<\/span> <span class=\"hljs-keyword\">chmod<\/span> <span class=\"hljs-number\">750<\/span> {} \\;\n<\/code><\/pre>\n<\/div>\n<\/div>\n<\/li>\n<li>\u8bbe\u7f6e\u7f51\u7ad9\u6587\u4ef6\u6743\u9650\u4e3a 640\uff0c640 \u6307\u53ea\u6709 centos \u7528\u6237\u5bf9\u7f51\u7ad9\u6587\u4ef6\u6709\u66f4\u6539\u7684\u6743\u9650\uff0chttp \u670d\u52a1\u5668\u53ea\u6709\u8bfb\u53d6\u6587\u4ef6\u7684\u6743\u9650\uff0c\u65e0\u6cd5\u66f4\u6539\u6587\u4ef6\uff0c\u5176\u5b83\u7528\u6237\u65e0\u4efb\u4f55\u6743\u9650\u3002\n<div class=\"markdown-code J-markdownCode\">\n<div class=\"markdown-code-bd J-codeBox\">\n<pre><code>find -<span class=\"hljs-keyword\">not<\/span> -type d -<span class=\"hljs-keyword\">exec<\/span> <span class=\"hljs-keyword\">chmod<\/span> <span class=\"hljs-number\">640<\/span> {} \\;\n<\/code><\/pre>\n<\/div>\n<\/div>\n<\/li>\n<li>\u9488\u5bf9\u4e2a\u522b\u76ee\u5f55\u8bbe\u7f6e\u53ef\u5199\u6743\u9650\u3002\u6bd4\u5982\u7f51\u7ad9\u7684\u4e00\u4e9b\u7f13\u5b58\u76ee\u5f55\u5c31\u9700\u8981\u7ed9 http \u670d\u52a1\u6709\u5199\u5165\u6743\u9650\u3002\u4f8b\u5982 discuz x2 \u7684<code>\/data\/<\/code>\u76ee\u5f55\u5c31\u5fc5\u987b\u8981\u5199\u5165\u6743\u9650\u3002\n<div class=\"markdown-code J-markdownCode\">\n<div class=\"markdown-code-bd J-codeBox\">\n<pre><code>find data -type d -<span class=\"hljs-keyword\">exec<\/span> <span class=\"hljs-keyword\">chmod<\/span> <span class=\"hljs-number\">770<\/span> {} \\;\n<\/code><\/pre>\n<\/div>\n<\/div>\n<\/li>\n<\/ol>\n<h2 id=\".E8.A2.AB.E5.85.A5.E4.BE.B5.E5.90.8E.E7.9A.84.E5.AE.89.E5.85.A8.E4.BC.98.E5.8C.96.E5.BB.BA.E8.AE.AE\">\u88ab\u5165\u4fb5\u540e\u7684\u5b89\u5168\u4f18\u5316\u5efa\u8bae<\/h2>\n<ol>\n<li>\u5c3d\u91cf\u4f7f\u7528 SSH \u5bc6\u94a5\u8fdb\u884c\u767b\u5f55\uff0c\u51cf\u5c11\u66b4\u529b\u7834\u89e3\u7684\u98ce\u9669\u3002<\/li>\n<li>\u5728\u670d\u52a1\u5668\u5185\u7f16\u8f91<code>\/etc\/ssh\/sshd_config<\/code>\u6587\u4ef6\u4e2d\u7684 Port 22\uff0c\u5c06 22 \u4fee\u6539\u4e3a\u5176\u4ed6\u975e\u9ed8\u8ba4\u7aef\u53e3\uff0c\u4fee\u6539\u4e4b\u540e\u91cd\u542f SSH \u670d\u52a1\u3002\u53ef\u4f7f\u7528\u547d\u4ee4\u91cd\u542f\n<div class=\"markdown-code J-markdownCode\">\n<div class=\"markdown-code-bd J-codeBox\">\n<pre><code>\/etc\/init.d\/sshd restart\n<\/code><\/pre>\n<\/div>\n<\/div>\n<\/li>\n<li>\u5982\u679c\u5fc5\u987b\u4f7f\u7528 SSH \u5bc6\u7801\u8fdb\u884c\u7ba1\u7406\uff0c\u9009\u62e9\u4e00\u4e2a\u597d\u5bc6\u7801\u3002\n<ul>\n<li>\u65e0\u8bba\u5e94\u7528\u7a0b\u5e8f\u7ba1\u7406\u540e\u53f0\uff08\u7f51\u7ad9\u3001\u4e2d\u95f4\u4ef6\u3001tomcat \u7b49\uff09\u3001\u8fdc\u7a0b SSH\u3001\u8fdc\u7a0b\u684c\u9762\u3001\u6570\u636e\u5e93\uff0c\u90fd\u5efa\u8bae\u8bbe\u7f6e\u590d\u6742\u4e14\u4e0d\u4e00\u6837\u7684\u5bc6\u7801\u3002<\/li>\n<li>\u4e0b\u9762\u662f\u4e00\u4e9b\u597d\u5bc6\u7801\u7684\u5b9e\u4f8b\uff08\u53ef\u4ee5\u4f7f\u7528\u7a7a\u683c\uff09\uff1a<br \/>\n<code>1qtwo-threeMiles3c45jia<\/code><br \/>\n<code>caser, lanqiu streets<\/code><\/li>\n<li>\u4e0b\u9762\u662f\u4e00\u4e9b\u5f31\u53e3\u4ee4\u7684\u793a\u4f8b\uff0c\u53ef\u80fd\u662f\u4f60\u5728\u516c\u5f00\u7684\u5de5\u4f5c\u4e2d\u5e38\u7528\u7684\u8bcd\u6216\u8005\u662f\u4f60\u751f\u6d3b\u4e2d\u5e38\u7528\u7684\u8bcd\uff1a<br \/>\n\u516c\u53f8\u540d+\u65e5\u671f\uff08coca-cola2016xxxx\uff09<br \/>\n\u5e38\u7528\u53e3\u8bed\uff08Iamagoodboy\uff09<\/li>\n<\/ul>\n<\/li>\n<li>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u68c0\u67e5\u4e3b\u673a\u6709\u54ea\u4e9b\u7aef\u53e3\u5f00\u653e\uff0c\u5173\u95ed\u975e\u4e1a\u52a1\u7aef\u53e3\u3002\n<div class=\"markdown-code J-markdownCode\">\n<div class=\"markdown-code-bd J-codeBox\">\n<pre><code><span class=\"hljs-attribute\">netstat<\/span> -anltp\n<\/code><\/pre>\n<\/div>\n<\/div>\n<\/li>\n<li>\u901a\u8fc7\u00a0<strong>\u817e\u8baf\u4e91-\u5b89\u5168\u7ec4\u9632\u706b\u5899<\/strong>\u00a0\u9650\u5236\u4ec5\u5141\u8bb8\u5236\u5b9a IP \u8bbf\u95ee\u7ba1\u7406\u6216\u901a\u8fc7\u7f16\u8f91<code>\/etc\/hosts.deny<\/code>\u3001<code>\/etc\/hosts.allow<\/code>\u4e24\u4e2a\u6587\u4ef6\u6765\u9650\u5236 IP\u3002<\/li>\n<li>\u5e94\u7528\u7a0b\u5e8f\u5c3d\u91cf\u4e0d\u4f7f\u7528\u00a0<strong>root<\/strong>\u00a0\u6743\u9650\u3002<br \/>\n\u5982 Apache\u3001Redis\u3001MySQL\u3001Nginx \u7b49\u7a0b\u5e8f\uff0c\u5c3d\u91cf\u4e0d\u8981\u4ee5 root \u6743\u9650\u7684\u65b9\u5f0f\u8fd0\u884c\u3002<\/li>\n<li>\u4fee\u590d\u7cfb\u7edf\u63d0\u6743\u6f0f\u6d1e\u4e0e\u8fd0\u884c\u5728 root \u6743\u9650\u4e0b\u7684\u00a0<strong>\u7a0b\u5e8f\u6f0f\u6d1e<\/strong>\uff0c\u4ee5\u514d\u6076\u610f\u8f6f\u4ef6\u901a\u8fc7\u6f0f\u6d1e\u63d0\u6743\u83b7\u5f97 root \u6743\u9650\u4f20\u64ad\u540e\u95e8\u3002\n<ul>\n<li>\u53ca\u65f6\u66f4\u65b0\u7cfb\u7edf\u6216\u6240\u7528\u5e94\u7528\u7a0b\u5e8f\u7684\u7248\u672c\uff0c\u5982 Struts2\u3001Nginx\uff0cImageMagick\u3001Java \u7b49\u3002<\/li>\n<li>\u5173\u95ed\u5e94\u7528\u7a0b\u5e8f\u7684\u8fdc\u7a0b\u7ba1\u7406\u529f\u80fd\uff0c\u5982 Redis\u3001NTP \u7b49\uff0c\u5982\u65e0\u8fdc\u7a0b\u7ba1\u7406\u9700\u8981\uff0c\u53ef\u5173\u95ed\u5bf9\u5916\u76d1\u542c\u7aef\u53e3\u6216\u914d\u7f6e\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5b9a\u671f\u00a0<strong>\u5907\u4efd<\/strong>\u00a0\u4e91\u4e3b\u673a\u4e1a\u52a1\u6570\u636e\u3002\n<ul>\n<li>\u5bf9\u91cd\u8981\u7684\u4e1a\u52a1\u6570\u636e\u8fdb\u884c\u5f02\u5730\u5907\u4efd\u6216\u4e91\u5907\u4efd\uff0c\u907f\u514d\u4e3b\u673a\u88ab\u5165\u4fb5\u540e\u65e0\u6cd5\u6062\u590d\u3002<\/li>\n<li>\u9664\u4e86\u4f60\u7684 home\uff0croot \u76ee\u5f55\u5916\uff0c\u4f60\u8fd8\u5e94\u5f53\u5907\u4efd \/etc \u548c\u53ef\u7528\u4e8e\u53d6\u8bc1\u7684 \/var\/log \u76ee\u5f55\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5b89\u88c5\u817e\u8baf\u4e91\u00a0<strong>\u4e3b\u673a\u5b89\u5168 Agent<\/strong>\uff0c\u5728\u53d1\u751f\u653b\u51fb\u540e\uff0c\u53ef\u4ee5\u4e86\u89e3\u81ea\u8eab\u98ce\u9669\u60c5\u51b5\u3002<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u5206\u6790\uff0c\u67e5\u627e\u5165\u4fb5\u539f\u56e0 \u4e00\u3001\u68c0\u67e5\u9690\u85cf\u8d26\u6237\u53ca\u5f31\u53e3\u4ee4 \u68c0\u67e5\u670d\u52a1\u5668\u7cfb\u7edf\u53ca\u5e94\u7528\u8d26\u6237\u662f\u5426\u5b58\u5728\u00a0\u5f31\u53e3\u4ee4\uff1a \u68c0\u67e5\u8bf4\u660e\uff1a\u68c0\u67e5\u7ba1\u7406\u5458\u8d26\u6237\u3001\u6570\u636e\u5e93\u8d26\u6237\u3001MySQL \u8d26\u6237\u3001tomcat \u8d26\u6237\u3001\u7f51\u7ad9\u540e\u53f0\u7ba1\u7406\u5458\u8d26\u6237\u7b49\u5bc6\u7801\u8bbe\u7f6e\u662f\u5426\u8f83\u4e3a\u7b80\u5355\uff0c\u7b80\u5355\u7684\u5bc6\u7801\u5f88\u5bb9\u6613\u88ab\u9ed1\u5ba2\u7834\u89e3\u3002 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