{"id":2055,"date":"2017-04-09T13:50:48","date_gmt":"2017-04-09T05:50:48","guid":{"rendered":"http:\/\/cn.hostease.com\/xueyuan\/?p=2055"},"modified":"2017-04-09T13:50:48","modified_gmt":"2017-04-09T05:50:48","slug":"%e8%bf%9e%e6%8e%a5%e5%88%b0-linux-%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%97%b6%e9%a6%96%e5%85%88%e8%a6%81%e8%bf%90%e8%a1%8c%e7%9a%84-5-%e4%b8%aa%e5%91%bd%e4%bb%a4","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/xueyuan\/jishu\/%e8%bf%9e%e6%8e%a5%e5%88%b0-linux-%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%97%b6%e9%a6%96%e5%85%88%e8%a6%81%e8%bf%90%e8%a1%8c%e7%9a%84-5-%e4%b8%aa%e5%91%bd%e4%bb%a4\/","title":{"rendered":"\u8fde\u63a5\u5230 Linux \u670d\u52a1\u5668\u65f6\u9996\u5148\u8981\u8fd0\u884c\u7684 5 \u4e2a\u547d\u4ee4"},"content":{"rendered":"

\u4f5c\u4e3a\u4e00\u4e2a\u7cfb\u7edf\u7ba1\u7406\u5458\/SRE \u5de5\u4f5c 5 \u5e74\u540e\uff0c\u6211\u77e5\u9053\u5f53\u6211\u8fde\u63a5\u5230\u4e00\u53f0 Linux \u670d\u52a1\u5668\u65f6\u6211\u9996\u5148\u5e94\u8be5\u505a\u4ec0\u4e48\u3002\u8fd9\u91cc\u6709\u4e00\u7cfb\u5217\u5173\u4e8e\u670d\u52a1\u5668\u4f60\u5fc5\u987b\u4e86\u89e3\u7684\u4fe1\u606f\uff0c\u4ee5\u4fbf\u4f60\u53ef\u4ee5\uff08\u5728\u5927\u90e8\u5206\u65f6\u95f4\u91cc\uff09\u66f4\u597d\u7684\u8c03\u8bd5\u8be5\u670d\u52a1\u5668\u3002<\/p>\n

\u8fde\u4e0a Linux \u670d\u52a1\u5668\u7684\u7b2c\u4e00\u5206\u949f<\/h3>\n

\u8fd9\u4e9b\u547d\u4ee4\u5bf9\u4e8e\u6709\u7ecf\u9a8c\u7684\u8f6f\u4ef6\u5de5\u7a0b\u5e08\u6765\u8bf4\u90fd\u975e\u5e38\u719f\u6089\uff0c\u4f46\u6211\u610f\u8bc6\u5230\u5bf9\u4e8e\u4e00\u4e2a\u521a\u5f00\u59cb\u63a5\u89e6 Linux \u7cfb\u7edf\u7684\u521d\u5b66\u8005\u6765\u8bf4\uff0c\u4f8b\u5982\u6211\u5728 Holberton \u5b66\u6821<\/a>\u4efb\u6559\u7684\u5b66\u751f\uff0c\u5374\u5e76\u975e\u5982\u6b64\u3002\u8fd9\u4e5f\u662f\u6211\u4e3a\u4ec0\u4e48\u51b3\u5b9a\u5206\u4eab\u5f53\u6211\u8fde\u4e0a Linux \u670d\u52a1\u5668\u9996\u5148\u8981\u8fd0\u884c\u7684\u524d 5 \u4e2a\u547d\u4ee4\u7684\u539f\u56e0\u3002<\/p>\n

    \n
  1. w<\/span><\/code><\/li>\n
  2. history<\/span><\/code><\/li>\n
  3. top<\/span><\/code><\/li>\n
  4. df<\/span><\/code><\/li>\n
  5. netstat<\/span><\/code><\/li>\n<\/ol>\n

    \u8fd9 5 \u4e2a\u547d\u4ee4\u5728\u4efb\u4f55\u4e00\u4e2a Linux \u53d1\u884c\u7248\u4e2d\u90fd\u6709\uff0c\u56e0\u6b64\u4e0d\u9700\u8981\u989d\u5916\u7684\u5b89\u88c5\u6b65\u9aa4\u4f60\u5c31\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u5b83\u4eec\u3002<\/p>\n

    w:<\/h3>\n
      \n
    1. [<\/span>ubuntu@ip<\/span>-<\/span>172<\/span>-<\/span>31<\/span>-<\/span>48<\/span>-<\/span>251<\/span> ~]<\/span>$ <\/span>w<\/span><\/code><\/li>\n
    2. 23<\/span>:<\/span>40<\/span>:<\/span>25<\/span> up <\/span>273<\/span> days<\/span>,<\/span> 20<\/span>:<\/span>52<\/span>,<\/span> 2<\/span> users<\/span>,<\/span> load average<\/span>:<\/span> 0.33<\/span>,<\/span> 0.14<\/span>,<\/span> 0.12<\/span><\/code><\/li>\n
    3. USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT<\/span><\/code><\/li>\n
    4. ubuntu pts<\/span>\/<\/span>0<\/span> 104<\/span>-<\/span>7<\/span>-<\/span>14<\/span>-<\/span>91.ligh<\/span> 23<\/span>:<\/span>39<\/span> 0.00s<\/span> 0.02s<\/span> 0.00s<\/span> w<\/span><\/code><\/li>\n
    5. root pts<\/span>\/<\/span>1<\/span> 104<\/span>-<\/span>7<\/span>-<\/span>14<\/span>-<\/span>91.ligh<\/span> 23<\/span>:<\/span>40<\/span> 5.00s<\/span> 0.01s<\/span> 0.03s<\/span> sshd<\/span>:<\/span> root <\/span>[<\/span>priv<\/span>]<\/span><\/code><\/li>\n
    6. [<\/span>ubuntu@ip<\/span>-<\/span>172<\/span>-<\/span>31<\/span>-<\/span>48<\/span>-<\/span>251<\/span> ~]<\/span>$ <\/span><\/code><\/li>\n<\/ol>\n

      history<\/h3>\n
        \n
      1. [<\/span>ubuntu@ip<\/span>-<\/span>172<\/span>-<\/span>31<\/span>-<\/span>48<\/span>-<\/span>251<\/span> ~]<\/span>$ history<\/span><\/code><\/li>\n
      2. 1<\/span> cd<\/span> \/<\/span>var<\/span>\/<\/span>app<\/span>\/<\/span>current<\/span>\/<\/span>log<\/span>\/<\/span><\/code><\/li>\n
      3. 2<\/span> ls<\/span> -<\/span>al<\/span><\/code><\/li>\n
      4. 3<\/span> tail<\/span> -<\/span>n <\/span>3000<\/span> production<\/span>.<\/span>log <\/span><\/code><\/li>\n
      5. 4<\/span> service apache2 status<\/span><\/code><\/li>\n
      6. 5<\/span> cat<\/span> ..\/..\/<\/span>app<\/span>\/<\/span>services<\/span>\/<\/span>discourse_service<\/span>.<\/span>rb <\/span><\/code><\/li>\n<\/ol>\n

        history<\/code> \u80fd\u544a\u8bc9\u4f60\u5f53\u524d\u8fde\u63a5\u7684\u7528\u6237\u4e4b\u524d\u8fd0\u884c\u4e86\u4ec0\u4e48\u547d\u4ee4\u3002\u4f60\u53ef\u4ee5\u770b\u5230\u5f88\u591a\u5173\u4e8e\u8fd9\u53f0\u673a\u5668\u4e4b\u524d\u5728\u6267\u884c\u4ec0\u4e48\u7c7b\u578b\u7684\u4efb\u52a1\u3001\u53ef\u80fd\u51fa\u73b0\u4e86\u4ec0\u4e48\u9519\u8bef\u3001\u53ef\u4ee5\u4ece\u54ea\u91cc\u5f00\u59cb\u8c03\u8bd5\u5de5\u4f5c\u7b49\u4fe1\u606f\u3002<\/p>\n

        top<\/h3>\n
          \n
        1. top<\/span> -<\/span> 23<\/span>:<\/span>47<\/span>:<\/span>54<\/span> up <\/span>273<\/span> days<\/span>,<\/span> 21<\/span>:<\/span>00<\/span>,<\/span> 2<\/span> users<\/span>,<\/span> load average<\/span>:<\/span> 0.02<\/span>,<\/span> 0.07<\/span>,<\/span> 0.10<\/span><\/code><\/li>\n
        2. Tasks<\/span>:<\/span> 79<\/span> total<\/span>,<\/span> 2<\/span> running<\/span>,<\/span> 77<\/span> sleeping<\/span>,<\/span> 0<\/span> stopped<\/span>,<\/span> 0<\/span> zombie<\/span><\/code><\/li>\n
        3. Cpu<\/span>(<\/span>s<\/span>):<\/span> 1.0<\/span>%<\/span>us<\/span>,<\/span> 0.0<\/span>%<\/span>sy<\/span>,<\/span> 0.0<\/span>%<\/span>ni<\/span>,<\/span> 98.7<\/span>%<\/span>id<\/span>,<\/span> 0.0<\/span>%<\/span>wa<\/span>,<\/span> 0.0<\/span>%<\/span>hi<\/span>,<\/span> 0.0<\/span>%<\/span>si<\/span>,<\/span> 0.3<\/span>%<\/span>st<\/span><\/code><\/li>\n
        4. Mem<\/span>:<\/span> 3842624k<\/span> total<\/span>,<\/span> 3128036k<\/span> used<\/span>,<\/span> 714588k<\/span> free<\/span>,<\/span> 148860k<\/span> buffers<\/span><\/code><\/li>\n
        5. Swap<\/span>:<\/span> 0k<\/span> total<\/span>,<\/span> 0k<\/span> used<\/span>,<\/span> 0k<\/span> free<\/span>,<\/span> 1052320k<\/span> cached<\/span><\/code><\/li>\n
        6. <\/code><\/li>\n
        7. PID USER PR NI VIRT RES SHR S <\/span>%<\/span>CPU <\/span>%<\/span>MEM TIME<\/span>+<\/span> COMMAND <\/span><\/code><\/li>\n
        8. 21095<\/span> root <\/span>20<\/span> 0<\/span> 513m<\/span> 21m<\/span> 4980<\/span> S <\/span>1.0<\/span> 0.6<\/span> 1237<\/span>:<\/span>05<\/span> python <\/span><\/code><\/li>\n
        9. 1380<\/span> healthd <\/span>20<\/span> 0<\/span> 669m<\/span> 36m<\/span> 5712<\/span> S <\/span>0.3<\/span> 1.0<\/span> 265<\/span>:<\/span>43.82<\/span> ruby <\/span><\/code><\/li>\n
        10. 19703<\/span> dd<\/span>-<\/span>agent <\/span>20<\/span> 0<\/span> 142m<\/span> 25m<\/span> 4912<\/span> S <\/span>0.3<\/span> 0.7<\/span> 11<\/span>:<\/span>32.32<\/span> python <\/span><\/code><\/li>\n
        11. 1<\/span> root <\/span>20<\/span> 0<\/span> 19596<\/span> 1628<\/span> 1284<\/span> S <\/span>0.0<\/span> 0.0<\/span> 0<\/span>:<\/span>10.64<\/span> init<\/span> <\/code><\/li>\n
        12. 2<\/span> root <\/span>20<\/span> 0<\/span> 0<\/span> 0<\/span> 0<\/span> S <\/span>0.0<\/span> 0.0<\/span> 0<\/span>:<\/span>00.00<\/span> kthreadd <\/span><\/code><\/li>\n
        13. 3<\/span> root <\/span>20<\/span> 0<\/span> 0<\/span> 0<\/span> 0<\/span> S <\/span>0.0<\/span> 0.0<\/span> 27<\/span>:<\/span>31.42<\/span> ksoftirqd<\/span>\/<\/span>0<\/span> <\/code><\/li>\n
        14. 4<\/span> root <\/span>20<\/span> 0<\/span> 0<\/span> 0<\/span> 0<\/span> S <\/span>0.0<\/span> 0.0<\/span> 0<\/span>:<\/span>00.00<\/span> kworker<\/span>\/<\/span>0<\/span>:<\/span>0<\/span> <\/code><\/li>\n
        15. 5<\/span> root <\/span>0<\/span> -<\/span>20<\/span> 0<\/span> 0<\/span> 0<\/span> S <\/span>0.0<\/span> 0.0<\/span> 0<\/span>:<\/span>00.00<\/span> kworker<\/span>\/<\/span>0<\/span>:<\/span>0H<\/span> <\/code><\/li>\n
        16. 7<\/span> root <\/span>20<\/span> 0<\/span> 0<\/span> 0<\/span> 0<\/span> S <\/span>0.0<\/span> 0.0<\/span> 42<\/span>:<\/span>51.60<\/span> rcu_sched <\/span><\/code><\/li>\n
        17. 8<\/span> root <\/span>20<\/span> 0<\/span> 0<\/span> 0<\/span> 0<\/span> S <\/span>0.0<\/span> 0.0<\/span> 0<\/span>:<\/span>00.00<\/span> rcu_bh<\/span><\/code><\/li>\n<\/ol>\n

          \u4f60\u60f3\u77e5\u9053\u7684\u4e0b\u4e00\u4e2a\u4fe1\u606f\uff1a\u670d\u52a1\u5668\u5f53\u524d\u5728\u6267\u884c\u4ec0\u4e48\u5de5\u4f5c\u3002\u4f7f\u7528 top<\/code> \u547d\u4ee4\u4f60\u53ef\u4ee5\u770b\u5230\u6240\u6709\u6b63\u5728\u6267\u884c\u7684\u8fdb\u7a0b\uff0c\u7136\u540e\u53ef\u4ee5\u6309\u7167 CPU\u3001\u5185\u5b58\u4f7f\u7528\u8fdb\u884c\u6392\u5e8f\uff0c\u5e76\u627e\u5230\u5360\u7528\u8d44\u6e90\u7684\u8fdb\u7a0b\u3002<\/p>\n

          df<\/h3>\n
            \n
          1. [<\/span>ubuntu@ip<\/span>-<\/span>172<\/span>-<\/span>31<\/span>-<\/span>48<\/span>-<\/span>251<\/span> ~]<\/span>$ <\/span>df<\/span> -<\/span>h<\/span><\/code><\/li>\n
          2. Filesystem<\/span> Size<\/span> Used<\/span> Avail<\/span> Use<\/span>%<\/span> Mounted<\/span> on<\/span><\/code><\/li>\n
          3. \/<\/span>dev<\/span>\/<\/span>xvda1 <\/span>7.8G<\/span> 4.5G<\/span> 3.3G<\/span> 58<\/span>%<\/span> \/<\/span><\/code><\/li>\n
          4. devtmpfs <\/span>1.9G<\/span> 12K<\/span> 1.9G<\/span> 1<\/span>%<\/span> \/<\/span>dev<\/span><\/code><\/li>\n
          5. tmpfs <\/span>1.9G<\/span> 0<\/span> 1.9G<\/span> 0<\/span>%<\/span> \/dev\/<\/span>shm<\/span><\/code><\/li>\n<\/ol>\n

            \u4f60\u670d\u52a1\u5668\u6b63\u5e38\u5de5\u4f5c\u9700\u8981\u7684\u4e0b\u4e00\u4e2a\u91cd\u8981\u8d44\u6e90\u5c31\u662f\u78c1\u76d8\u7a7a\u95f4\u3002\u78c1\u76d8\u7a7a\u95f4\u6d88\u8017\u5b8c\u662f\u975e\u5e38\u5178\u578b\u7684\u95ee\u9898\u3002<\/p>\n

            netstat<\/h3>\n
              \n
            1. [<\/span>ubuntu@ip<\/span>-<\/span>172<\/span>-<\/span>31<\/span>-<\/span>48<\/span>-<\/span>251<\/span> ec2<\/span>-<\/span>user<\/span>]#<\/span> netstat<\/span> -<\/span>lp<\/span><\/code><\/li>\n
            2. Active<\/span> Internet<\/span> connections <\/span>(<\/span>only servers<\/span>)<\/span><\/code><\/li>\n
            3. Proto<\/span> Recv<\/span>-<\/span>Q <\/span>Send<\/span>-<\/span>Q <\/span>Local<\/span> Address<\/span> Foreign<\/span> Address<\/span> State<\/span> PID<\/span>\/<\/span>Program<\/span> name <\/span><\/code><\/li>\n
            4. tcp <\/span>0<\/span> 0<\/span> *:<\/span>http <\/span>*:*<\/span> LISTEN <\/span>1637<\/span>\/<\/span>nginx <\/span><\/code><\/li>\n
            5. tcp <\/span>0<\/span> 0<\/span> *:<\/span>ssh<\/span> *:*<\/span> LISTEN <\/span>1209<\/span>\/<\/span>sshd<\/span> <\/code><\/li>\n
            6. tcp <\/span>0<\/span> 0<\/span> localhost<\/span>:<\/span>smtp <\/span>*:*<\/span> LISTEN <\/span>1241<\/span>\/<\/span>sendmail <\/span><\/code><\/li>\n
            7. tcp <\/span>0<\/span> 0<\/span> localhost<\/span>:<\/span>17123<\/span> *:*<\/span> LISTEN <\/span>19703<\/span>\/<\/span>python <\/span><\/code><\/li>\n
            8. tcp <\/span>0<\/span> 0<\/span> localhost<\/span>:<\/span>22221<\/span> *:*<\/span> LISTEN <\/span>1380<\/span>\/<\/span>puma <\/span>2.11<\/span>.<\/span>1<\/span> (<\/span>t <\/span><\/code><\/li>\n
            9. tcp <\/span>0<\/span> 0<\/span> *:<\/span>4242<\/span> *:*<\/span> LISTEN <\/span>18904<\/span>\/<\/span>jsvc<\/span>.<\/span>exec<\/span> <\/code><\/li>\n
            10. tcp <\/span>0<\/span> 0<\/span> *:<\/span>ssh<\/span> *:*<\/span> LISTEN <\/span>1209<\/span>\/<\/span>sshd<\/span> <\/code><\/li>\n<\/ol>\n

              \u8ba1\u7b97\u673a\u5df2\u6210\u4e3a\u6211\u4eec\u4e16\u754c\u7684\u91cd\u8981\u4e00\u90e8\u5206\uff0c\u56e0\u4e3a\u5b83\u4eec\u6709\u901a\u8fc7\u7f51\u7edc\u8fdb\u884c\u76f8\u4e92\u4ea4\u6d41\u7684\u80fd\u529b\u3002\u77e5\u9053\u4f60\u7684\u670d\u52a1\u5668\u6b63\u5728\u76d1\u542c\u4ec0\u4e48\u7aef\u53e3\u3001IP\u5730\u5740\u662f\u4ec0\u4e48\u3001\u4ee5\u53ca\u54ea\u4e9b\u8fdb\u7a0b\u5728\u4f7f\u7528\u5b83\u4eec\uff0c\u8fd9\u5bf9\u4e8e\u4f60\u6765\u8bf4\u90fd\u975e\u5e38\u91cd\u8981\u3002<\/p>\n

               <\/p>\n

              \u539f\u6587\u94fe\u63a5\uff1ahttps:\/\/linux.cn\/article-8381-1.html<\/p>\n","protected":false},"excerpt":{"rendered":"

              \u4f5c\u4e3a\u4e00\u4e2a\u7cfb\u7edf\u7ba1\u7406\u5458\/SRE \u5de5\u4f5c 5 \u5e74\u540e\uff0c\u6211\u77e5\u9053\u5f53\u6211\u8fde\u63a5\u5230\u4e00\u53f0 Linux \u670d\u52a1\u5668\u65f6\u6211\u9996\u5148\u5e94\u8be5\u505a\u4ec0\u4e48\u3002\u8fd9\u91cc\u6709 … \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":[49,5],"tags":[38],"class_list":["post-2055","post","type-post","status-publish","format-standard","hentry","category-linux","category-jishu","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\/2055","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=2055"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/2055\/revisions"}],"predecessor-version":[{"id":2056,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/2055\/revisions\/2056"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/media?parent=2055"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/categories?post=2055"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/tags?post=2055"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

      \u8fd9\u91cc\u5217\u51fa\u4e86\u5f88\u591a\u6709\u7528\u7684\u4fe1\u606f\u3002\u9996\u5148\uff0c\u4f60\u53ef\u4ee5\u770b\u5230\u670d\u52a1\u5668\u8fd0\u884c\u65f6\u95f4 uptime<\/a>\uff0c\u4e5f\u5c31\u662f\u670d\u52a1\u5668\u6301\u7eed\u8fd0\u884c\u7684\u65f6\u95f4\u3002\u7136\u540e\u4f60\u53ef\u4ee5\u770b\u5230\u6709\u54ea\u4e9b\u7528\u6237\u8fde\u63a5\u5230\u4e86\u670d\u52a1\u5668\uff0c\u5f53\u4f60\u8981\u786e\u8ba4\u4f60\u6ca1\u6709\u5f71\u54cd\u4f60\u540c\u4e8b\u5de5\u4f5c\u7684\u65f6\u5019\u8fd9\u975e\u5e38\u6709\u7528\u3002\u6700\u540e\u00a0load average<\/a> \u80fd\u5f88\u597d\u7684\u5411\u4f60\u5c55\u793a\u670d\u52a1\u5668\u7684\u5065\u5eb7\u72b6\u6001\u3002<\/p>\n