{"id":127629,"date":"2020-01-21T13:13:10","date_gmt":"2020-01-21T05:13:10","guid":{"rendered":"http:\/\/4563.org\/?p=127629"},"modified":"2020-01-21T13:13:10","modified_gmt":"2020-01-21T05:13:10","slug":"linux-%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%86%85%e5%ad%98%e5%8d%a0%e7%94%a8%e9%ab%98%e8%be%be-90%ef%bc%8c%e8%a2%ab%e4%b8%80%e4%b8%aa%e4%b8%8d%e7%9f%a5%e9%81%93%e5%93%aa%e5%84%bf%e6%9d%a5%e7%9a%84%e8%bf%9b","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=127629","title":{"rendered":"Linux \u670d\u52a1\u5668\u5185\u5b58\u5360\u7528\u9ad8\u8fbe 90%\uff0c\u88ab\u4e00\u4e2a\u4e0d\u77e5\u9053\u54ea\u513f\u6765\u7684\u8fdb\u7a0b\u5360\u7528\u4e86\uff0c\u5982\u4f55\u6392\u67e5"},"content":{"rendered":"
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Linux \u670d\u52a1\u5668\u5185\u5b58\u5360\u7528\u9ad8\u8fbe 90%\uff0c\u88ab\u4e00\u4e2a\u4e0d\u77e5\u9053\u54ea\u513f\u6765\u7684\u8fdb\u7a0b\u5360\u7528\u4e86\uff0c\u5982\u4f55\u6392\u67e5 <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : madizmChou <\/span> <\/i> 8<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\"Linux<\/p>\n

\u8fd9\u662f\u516c\u7528\u7684\u6d4b\u8bd5\u670d\u52a1\u5668\uff0c\u6211\u5bfb\u601d\u9996\u5148\u5e94\u8be5\u627e\u5230\u8fd9\u4e2a\u6587\u4ef6\u5728\u54ea\u513f\uff0c\u8fd9\u4e2a find \u547d\u4ee4\u80fd\u884c\u5417<\/p>\n

find \/ ROInmw -type f -executable -print <\/code><\/pre>\n
\u8fd4\u56de<\/p>\n
find: \u2018ROInmw\u2019: \u6ca1\u6709\u90a3\u4e2a\u6587\u4ef6\u6216\u76ee\u5f55 <\/code><\/pre>\n<\/p><\/div>\n
 \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (18<\/span>)        <\/div>\n
 <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : lululau <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 lsof                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : yujiang <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5148 kill \u6389\u518d\u6392\u67e5\u5427\uff0c\u8fd9\u4e2a\u547d\u540d\u6cd5\u611f\u89c9\u4e0d\u662f\u5584\u832c                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : vissssa <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u6572\u4e00\u4e0b\u8bd5\u8bd5                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : itskingname <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u6709 pid\uff0c\u5c31\u53ef\u4ee5\u627e\u5230\u6587\u4ef6\u5730\u5740\u3002<\/p>\n
    sudo ls -l \/proc\/<pid>\/cwd<\/p>\n
    \u8fd9\u91cc\u7684 cwd \u662f\u4e00\u4e2a\u8f6f\u8fde\u63a5\uff0c\u901a\u8fc7 ls -l \u53ef\u4ee5\u663e\u793a\u51fa\u5b83\u6307\u5411\u7684\u6587\u4ef6\u5939\u5730\u5740\u3002                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : ladypxy <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 ps -ef                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : CodeCodeStudy <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5047\u8bbe pid \u662f 12207\uff0c\u8fdb\u5165\u5230 \/proc\/12207\uff0cls -l
    cwd \u67e5\u770b\u8be5\u8fdb\u7a0b\u7684\u6240\u5728\u76ee\u5f55\uff0c\u6ce8\u610f\u540e\u9762\u4e0d\u8981\u6709\u659c\u6760\uff0c\u56e0\u4e3a\u8fd9\u4e2a\u6587\u4ef6\u662f\u4e00\u4e2a\u8f6f\u94fe\u63a5\uff0c\u52a0\u659c\u6760\u7684\u8bdd\u5c31\u4f1a\u5217\u51fa\u76ee\u6807\u76ee\u5f55\u7684\u6587\u4ef6\u51fa\u6765
    exe \u67e5\u770b\u8be5\u8fdb\u7a0b\u7684\u53ef\u6267\u884c\u6587\u4ef6
    uid_map \u67e5\u770b\u8be5\u8fdb\u7a0b\u7684\u7528\u6237\u548c\u7528\u6237\u7ec4
    fd \u67e5\u770b\u8be5\u8fdb\u7a0b\u6253\u5f00\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26
    cmdline \u67e5\u770b\u8be5\u8fdb\u7a0b\u7684\u8c03\u7528\u7684\u547d\u4ee4
    environ \u662f\u73af\u5883\u53d8\u91cf
    net\/netstat \u8be5\u8fdb\u7a0b\u7684\u6d41\u91cf\u7edf\u8ba1                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : madizmChou <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @itskingname 
    sudo ls -l \/proc\/<pid>\/cwd
    ——————-
    \u8fd4\u56de
    lrwxrwxrwx 1 root root 0 6 \u6708 22 18:20 \/proc\/12207\/cwd -> \/ <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : CodeCodeStudy <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \/proc \u7684\u6587\u6863 https:\/\/man7.org\/linux\/man-pages\/man5\/proc.5.html                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : CodeCodeStudy <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @madizmChou 
    cat \/proc\/12207\/exe \u67e5\u770b\u53ef\u6267\u884c\u6587\u4ef6\u7684\u8def\u5f84
    cat \/proc\/12207\/cmdline \u67e5\u770b\u8be5\u8fdb\u7a0b\u7684\u8c03\u7528\u7684\u547d\u4ee4                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : Vhc <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4e3b\uff0c\u4f60\u786e\u5b9a\u81ea\u5df1\u80fd\u5206\u6e05 CPU \u548c \u5185\u5b58\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : 610915518 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 10 \u795e\u56de\u590d                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : exiahan <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5185\u5b58\u6620\u50cf dump \u51fa\u6765\u770b\u770b\uff1f
    \u5148 cat \/proc\/pid\/maps\uff0c\u7136\u540e\u627e\u5230\u8fd9\u73a9\u610f\u5bf9\u5e94\u7684\u5185\u5b58\u533a\u57df\uff0c\u7136\u540e
    dd if=\/proc\/pid\/mems of=xxx skip=offset count=size                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : baiduyixia <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @Vhc 9 \u4e4b\u524d\u90a3\u4e9b\u4eba\u662f\u4e0d\u662f\u4e5f\u6ca1\u5206\u6e05\u695a                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : May725 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 90 \u5360\u7528\uff0c\u9ed8\u8ba4\u5c31\u662f cpu \u4e86\uff0c\u7ed3\u679c\u53d1\u73b0\u4f60\u6807\u9898\u5199\u7684\u662f\u5185\u5b58\uff0c\u4e0d\u8fc7\u4e0d\u5f71\u54cd\u5927\u5bb6\u7b54\u9898                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : msg7086 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 800%\u7684 CPU \u5360\u7528\uff0c\u4e0d\u662f\u6316\u77ff\u8fd8\u80fd\u662f\u5565\uff1f root \u8d26\u53f7\u6316\u77ff\uff0c\u4e0d\u9a6c\u4e0a\u91cd\u88c5\u7cfb\u7edf\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : itskingname <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @madizmChou \u8bf4\u660e\u8fd9\u4e2a\u7a0b\u5e8f\u5c31\u88ab\u653e\u5728\u6839\u76ee\u5f55\u4e0b\u9762\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : xiaooloong <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u6316\u77ff\u7a0b\u5e8f\uff0c\u770b\u770b\u600e\u4e48\u4fb5\u5165\u7684\u3002\u5148\u6392\u67e5\u4e0b\u5f31\u53e3\u4ee4\u3001redis \u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : CodeCodeStudy <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @baiduyixia \u770b\u6e05\u695a\u4e86\uff0c\u662f CPU \u7684\u95ee\u9898\uff0c\u4e0d\u8fc7\u9898\u4e3b\u60f3\u77e5\u9053\u7684\u662f\u6587\u4ef6\u5728\u54ea\u91cc\uff0c\u4e0d\u5f71\u54cd\u7b54\u9898                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"
    Linux \u670d\u52a1\u5668\u5185\u5b58\u5360\u7528\u9ad8\u8fbe 9…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/127629"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=127629"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/127629\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=127629"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=127629"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=127629"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}