{"id":270,"date":"2024-10-22T09:48:56","date_gmt":"2024-10-22T01:48:56","guid":{"rendered":"http:\/\/www.zhang-junyi.com\/?p=270"},"modified":"2024-10-22T09:48:56","modified_gmt":"2024-10-22T01:48:56","slug":"%e7%81%b5%e9%bb%8e%e5%85%8b%e6%96%af3","status":"publish","type":"post","link":"http:\/\/www.zhang-junyi.com\/?p=270","title":{"rendered":"\u7075\u9ece\u514b\u65af3"},"content":{"rendered":"\n

1. \u6587\u4ef6\u67e5\u627e<\/h3>\n\n\n\n
    \n
  1. \u67e5\u770b\u6587\u4ef6 \/root\/.bashrc<\/code> \u7684\u7c7b\u578b<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801file \/root\/.bashrc<\/code><\/li>\n\n\n\n
  2. \u67e5\u8be2 ifconfig<\/code> \u548c cd<\/code> \u547d\u4ee4\u7684\u5b8c\u6574\u8def\u5f84<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801which ifconfig type cd<\/code><\/li>\n\n\n\n
  3. \u627e\u51fa\u7cfb\u7edf\u4e2d\u6240\u6709\u542b\u6709 man<\/code> \u5b57\u7b26\u4e32\u7684\u6587\u4ef6\u540d<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801find \/ -name \"*man*\"<\/code><\/li>\n\n\n\n
  4. \u5217\u51fa 24 \u5c0f\u65f6\u5185\u6709\u6539\u52a8\u7684\u6587\u4ef6<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801find \/ -mtime -1<\/code><\/li>\n\n\n\n
  5. \u67e5\u627e \/etc<\/code> \u76ee\u5f55\u4e0b\u6bd4 \/etc\/hosts<\/code> \u65b0\u7684\u6587\u4ef6\uff0c\u5e76\u5c06\u7ed3\u679c\u5b58\u50a8\u5230 hosts.new<\/code> \u6587\u4ef6<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801find \/etc -newer \/etc\/hosts > hosts.new<\/code><\/li>\n\n\n\n
  6. \u67e5\u627e\u5f53\u524d\u76ee\u5f55\u4e0b\u6240\u6709\u5c5e\u4e8e root \u7684\u6587\u4ef6<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801find . -user root<\/code><\/li>\n\n\n\n
  7. \u67e5\u627e\u7cfb\u7edf\u4e2d\u6240\u6709\u4e0d\u5c5e\u4e8e\u4efb\u4f55\u4eba\u7684\u6587\u4ef6<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801find \/ -nouser<\/code><\/li>\n\n\n\n
  8. \u627e\u51fa\u7cfb\u7edf\u4e2d\u5927\u4e8e 10 MB \u7684\u6587\u4ef6<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801find \/ -size +10M<\/code><\/li>\n<\/ol>\n\n\n\n

    2. \u538b\u7f29\u53ca\u89e3\u538b\u7f29<\/h3>\n\n\n\n
      \n
    1. \u5728\u5bb6\u76ee\u5f55\u4e0b\u5efa\u7acb file1<\/code>\u3001file2<\/code> \u7a7a\u6587\u4ef6\u53ca dir1<\/code> \u7a7a\u76ee\u5f55<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801touch ~\/file1 ~\/file2 mkdir ~\/dir1<\/code><\/li>\n\n\n\n
    2. \u7528 tar<\/code> \u547d\u4ee4\u6253\u5305\u5bb6\u76ee\u5f55\u4e0b\u6240\u6709\u6587\u4ef6<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801tar -cvf home_backup.tar ~\/<\/code><\/li>\n\n\n\n
    3. \u7528 gzip<\/code> \u547d\u4ee4\u538b\u7f29\u6253\u5305\u6587\u4ef6<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801gzip home_backup.tar<\/code><\/li>\n\n\n\n
    4. \u5728\u5bb6\u76ee\u5f55\u4e0b\u521b\u5efa test<\/code> \u76ee\u5f55<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801mkdir ~\/test<\/code><\/li>\n\n\n\n
    5. \u5c06\u538b\u7f29\u6587\u4ef6\u89e3\u538b\u5230 test<\/code> \u76ee\u5f55\u4e0b<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801gunzip -c home_backup.tar.gz | tar -xvf - -C ~\/test<\/code><\/li>\n\n\n\n
    6. \u7528 tar<\/code> \u547d\u4ee4\u5c06\u89e3\u538b\u7684\u6253\u5305\u6587\u4ef6\u6062\u590d\u5230 test<\/code> \u76ee\u5f55\u4e0b<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801tar -xvf home_backup.tar -C ~\/test<\/code><\/li>\n<\/ol>\n\n\n\n

      3. \u8f93\u5165\u91cd\u5b9a\u5411\u5b9e\u9a8c<\/h3>\n\n\n\n
        \n
      1. \u4f7f\u7528\u64cd\u4f5c\u7b26 <<\/code> \u5c06\u6807\u51c6\u8f93\u5165\u91cd\u5b9a\u5411\u5230\u6587\u4ef6\u4e2d<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801wc -l < file1<\/code><\/li>\n\n\n\n
      2. \u4f7f\u7528\u64cd\u4f5c\u7b26 <<<<\/code> \u5c06\u6807\u51c6\u8f93\u5165\u91cd\u5b9a\u5411\u5230\u540e\u9762\u7684 here-strings \u5b57\u7b26\u4e32\u4e2d<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801grep \"text\" <<< \"This is a sample text\"<\/code><\/li>\n\n\n\n
      3. \u4f7f\u7528\u64cd\u4f5c\u7b26 <<<\/code> \u5c06\u6807\u51c6\u8f93\u5165\u91cd\u5b9a\u5411\u5230 here \u6587\u6863\u4e2d<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801cat <<EOF This is a here document. EOF<\/code><\/li>\n<\/ol>\n\n\n\n

        4. \u8f93\u51fa\u91cd\u5b9a\u5411<\/h3>\n\n\n\n
          \n
        1. \u4f7f\u7528\u64cd\u4f5c\u7b26 ><\/code> \u5c06\u6807\u51c6\u8f93\u51fa\u4ee5\u5f3a\u5236\u8986\u76d6\u6a21\u5f0f\u91cd\u5b9a\u5411\u5230\u6587\u4ef6\u4e2d<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801echo \"Hello\" > output.txt<\/code><\/li>\n\n\n\n
        2. \u4f7f\u7528\u64cd\u4f5c\u7b26 >><\/code> \u5c06\u6807\u51c6\u8f93\u51fa\u4ee5\u8ffd\u52a0\u6a21\u5f0f\u91cd\u5b9a\u5411\u5230\u6587\u4ef6\u4e2d<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801echo \"World\" >> output.txt<\/code><\/li>\n<\/ol>\n\n\n\n

          5. \u9519\u8bef\u8f93\u51fa\u91cd\u5b9a\u5411<\/h3>\n\n\n\n
            \n
          1. \u4f7f\u7528\u64cd\u4f5c\u7b26 2><\/code> \u5c06\u9519\u8bef\u8f93\u51fa\u4ee5\u8986\u76d6\u6a21\u5f0f\u91cd\u5b9a\u5411\u5230\u6587\u4ef6\u4e2d<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801ls \/nonexistent 2> error.log<\/code><\/li>\n\n\n\n
          2. \u4f7f\u7528\u64cd\u4f5c\u7b26 2>><\/code> \u5c06\u9519\u8bef\u8f93\u51fa\u4ee5\u8ffd\u52a0\u6a21\u5f0f\u91cd\u5b9a\u5411\u5230\u6587\u4ef6\u4e2d<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801ls \/nonexistent 2>> error.log<\/code><\/li>\n\n\n\n
          3. \u4f7f\u7528\u64cd\u4f5c\u7b26 &><\/code> \u5c06\u6807\u51c6\u53ca\u9519\u8bef\u8f93\u51fa\u4ee5\u8986\u76d6\u6a21\u5f0f\u91cd\u5b9a\u5411\u5230\u6587\u4ef6\u4e2d<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801ls \/nonexistent &> all_output.log<\/code><\/li>\n\n\n\n
          4. \u4f7f\u7528\u64cd\u4f5c\u7b26 &>><\/code> \u5c06\u6807\u51c6\u53ca\u9519\u8bef\u8f93\u51fa\u4ee5\u8ffd\u52a0\u6a21\u5f0f\u91cd\u5b9a\u5411\u5230\u6587\u4ef6\u4e2d<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801ls \/nonexistent &>> all_output.log<\/code><\/li>\n<\/ol>\n\n\n\n

            6. \u7ba1\u9053\u6280\u672f<\/h3>\n\n\n\n
              \n
            1. \u4f7f\u7528\u7ba1\u9053\u7ed3\u5408 grep<\/code> \u8fc7\u6ee4\u8f93\u51fa\u5185\u5bb9<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801ps aux | grep \"root\"<\/code><\/li>\n\n\n\n
            2. \u4f7f\u7528\u7ba1\u9053\u7ed3\u5408 sed<\/code> \u8fc7\u6ee4\u5e76\u683c\u5f0f\u5316\u8f93\u51fa\u5185\u5bb9<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801echo \"Hello World\" | sed 's\/World\/Sed\/'<\/code><\/li>\n\n\n\n
            3. \u4f7f\u7528\u7ba1\u9053\u7ed3\u5408 awk<\/code> \u8fc7\u6ee4\u5e76\u683c\u5f0f\u5316\u8f93\u51fa\u5185\u5bb9<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801ls -l | awk '{print $9}'<\/code><\/li>\n<\/ol>\n\n\n\n

              7. \u547d\u4ee4\u66ff\u6362\u5b9e\u9a8c<\/h3>\n\n\n\n
                \n
              1. \u4f7f\u7528\u547d\u4ee4\u66ff\u6362\u5c06\u591a\u4e2a\u547d\u4ee4\u4e32\u8054\u8d77\u6765<\/strong>\uff1abash\u590d\u5236\u4ee3\u7801echo \"Today is $(date +%Y-%m-%d)\"<\/code><\/li>\n<\/ol>\n\n\n\n

                \u901a\u8fc7\u8fd9\u4e9b\u6b65\u9aa4\uff0c\u60a8\u53ef\u4ee5\u5b8c\u6210\u6587\u4ef6\u67e5\u627e\u3001\u538b\u7f29\u53ca\u89e3\u538b\u7f29\u3001\u8f93\u5165\u8f93\u51fa\u91cd\u5b9a\u5411\u3001\u9519\u8bef\u91cd\u5b9a\u5411\u3001\u7ba1\u9053\u6280\u672f\u548c\u547d\u4ee4\u66ff\u6362\u5b9e\u9a8c\u7684\u64cd\u4f5c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

                1. \u6587\u4ef6\u67e5\u627e 2. \u538b\u7f29\u53ca\u89e3\u538b\u7f29 3. \u8f93\u5165\u91cd\u5b9a\u5411\u5b9e\u9a8c 4. \u8f93\u51fa\u91cd\u5b9a\u5411 5. \u9519\u8bef\u8f93\u51fa\u91cd\u5b9a\u5411 6. \u7ba1\u9053\u6280 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-270","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"http:\/\/www.zhang-junyi.com\/index.php?rest_route=\/wp\/v2\/posts\/270","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.zhang-junyi.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.zhang-junyi.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.zhang-junyi.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.zhang-junyi.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=270"}],"version-history":[{"count":1,"href":"http:\/\/www.zhang-junyi.com\/index.php?rest_route=\/wp\/v2\/posts\/270\/revisions"}],"predecessor-version":[{"id":271,"href":"http:\/\/www.zhang-junyi.com\/index.php?rest_route=\/wp\/v2\/posts\/270\/revisions\/271"}],"wp:attachment":[{"href":"http:\/\/www.zhang-junyi.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=270"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.zhang-junyi.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=270"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.zhang-junyi.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=270"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}