{"id":637,"date":"2025-03-13T14:08:26","date_gmt":"2025-03-13T06:08:26","guid":{"rendered":"https:\/\/www.zhzxs.xyz\/?p=637"},"modified":"2025-03-13T14:11:13","modified_gmt":"2025-03-13T06:11:13","slug":"1741846265","status":"publish","type":"post","link":"https:\/\/www.zhzxs.site\/index.php\/2025\/03\/13\/1741846265\/","title":{"rendered":"Linux \u91cd\u5b9a\u5411\u64cd\u4f5c"},"content":{"rendered":"\n

\u5728 Linux \u7ec8\u7aef\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u91cd\u5b9a\u5411<\/strong>\uff08Redirection\uff09\u64cd\u4f5c\uff0c\u5c06\u547d\u4ee4\u7684\u8f93\u51fa\u6216\u9519\u8bef\u4fe1\u606f\u4fdd\u5b58\u5230\u6587\u4ef6\u6216\u8bbe\u5907\u4e2d\uff0c\u65b9\u4fbf\u540e\u7eed\u5206\u6790\u548c\u5904\u7406\u3002<\/p>\n\n\n\n

\n\n\n\n

1. \u6807\u51c6\u8f93\u51fa\u4e0e\u6807\u51c6\u9519\u8bef<\/strong><\/h2>\n\n\n\n

Linux \u4e2d\uff0c\u547d\u4ee4\u7684\u8f93\u51fa\u5206\u4e3a\u6807\u51c6\u8f93\u51fa\uff08stdout\uff09\u548c\u6807\u51c6\u9519\u8bef\uff08stderr\uff09<\/strong>\uff1a<\/p>\n\n\n\n

    \n
  • \u6807\u51c6\u8f93\u51fa\uff08stdout\uff09\uff1a\u6587\u4ef6\u63cf\u8ff0\u7b26 1<\/strong> \u2014\u2014 \u547d\u4ee4\u6b63\u5e38\u6267\u884c\u65f6\u7684\u8f93\u51fa\u3002<\/li>\n\n\n\n
  • \u6807\u51c6\u9519\u8bef\uff08stderr\uff09\uff1a\u6587\u4ef6\u63cf\u8ff0\u7b26 2<\/strong> \u2014\u2014 \u547d\u4ee4\u6267\u884c\u51fa\u9519\u65f6\u7684\u8f93\u51fa\u3002<\/li>\n<\/ul>\n\n\n\n
    \n\n\n\n

    2. \u5e38\u89c1\u91cd\u5b9a\u5411\u64cd\u4f5c<\/strong><\/h2>\n\n\n\n

    2.1 \u4ec5\u91cd\u5b9a\u5411\u6807\u51c6\u8f93\u51fa<\/strong><\/h3>\n\n\n\n
    \u547d\u4ee4 > \u6587\u4ef6\n<\/code><\/pre>\n\n\n\n
    \ud83d\udd39 \u4ee5\u8986\u76d6<\/strong>\u7684\u65b9\u5f0f\uff0c\u5c06\u6807\u51c6\u8f93\u51fa<\/strong>\u4fdd\u5b58\u5230\u6587\u4ef6\u3002<\/p>\n\n\n\n
    \u547d\u4ee4 >> \u6587\u4ef6\n<\/code><\/pre>\n\n\n\n
    \ud83d\udd39 \u4ee5\u8ffd\u52a0<\/strong>\u7684\u65b9\u5f0f\uff0c\u5c06\u6807\u51c6\u8f93\u51fa<\/strong>\u4fdd\u5b58\u5230\u6587\u4ef6\u3002<\/p>\n\n\n\n
    \n\n\n\n
    2.2 \u4ec5\u91cd\u5b9a\u5411\u6807\u51c6\u9519\u8bef<\/strong><\/h3>\n\n\n\n
    \u9519\u8bef\u547d\u4ee4 2> \u6587\u4ef6\n<\/code><\/pre>\n\n\n\n
    \ud83d\udd39 \u4ee5\u8986\u76d6<\/strong>\u7684\u65b9\u5f0f\uff0c\u5c06\u6807\u51c6\u9519\u8bef<\/strong>\u4fdd\u5b58\u5230\u6587\u4ef6\u3002<\/p>\n\n\n\n
    \u9519\u8bef\u547d\u4ee4 2>> \u6587\u4ef6\n<\/code><\/pre>\n\n\n\n
    \ud83d\udd39 \u4ee5\u8ffd\u52a0<\/strong>\u7684\u65b9\u5f0f\uff0c\u5c06\u6807\u51c6\u9519\u8bef<\/strong>\u4fdd\u5b58\u5230\u6587\u4ef6\u3002<\/p>\n\n\n\n
    \n\n\n\n
    2.3 \u540c\u65f6\u91cd\u5b9a\u5411\u6807\u51c6\u8f93\u51fa\u548c\u6807\u51c6\u9519\u8bef<\/strong><\/h3>\n\n\n\n
    \u547d\u4ee4 &> \u6587\u4ef6\n<\/code><\/pre>\n\n\n\n
    \ud83d\udd39 \u4ee5\u8986\u76d6<\/strong>\u7684\u65b9\u5f0f\uff0c\u5c06\u6807\u51c6\u8f93\u51fa<\/strong>\u548c\u6807\u51c6\u9519\u8bef<\/strong>\u540c\u65f6\u4fdd\u5b58\u5230\u6587\u4ef6\u3002<\/p>\n\n\n\n
    \u547d\u4ee4 &>> \u6587\u4ef6\n<\/code><\/pre>\n\n\n\n
    \ud83d\udd39 \u4ee5\u8ffd\u52a0<\/strong>\u7684\u65b9\u5f0f\uff0c\u5c06\u6807\u51c6\u8f93\u51fa<\/strong>\u548c\u6807\u51c6\u9519\u8bef<\/strong>\u540c\u65f6\u4fdd\u5b58\u5230\u6587\u4ef6\u3002<\/p>\n\n\n\n
    \n\n\n\n
    2.4 \u5206\u5f00\u5b58\u50a8\u6807\u51c6\u8f93\u51fa\u548c\u6807\u51c6\u9519\u8bef<\/strong><\/h3>\n\n\n\n
    \u547d\u4ee4 >> \u6587\u4ef61 2>> \u6587\u4ef62\n<\/code><\/pre>\n\n\n\n
    \ud83d\udd39 \u6807\u51c6\u8f93\u51fa<\/strong>\u8ffd\u52a0\u4fdd\u5b58\u5230 \u6587\u4ef61<\/code>\uff0c\u6807\u51c6\u9519\u8bef<\/strong>\u8ffd\u52a0\u4fdd\u5b58\u5230 \u6587\u4ef62<\/code>\u3002<\/p>\n\n\n\n
    \n\n\n\n
    3. \u793a\u4f8b\u6f14\u793a<\/strong><\/h2>\n\n\n\n
    \u793a\u4f8b 1\uff1a\u5c06 ls<\/code> \u7684\u8f93\u51fa\u4fdd\u5b58\u5230 output.txt<\/code><\/strong><\/h3>\n\n\n\n
    ls > output.txt\n<\/code><\/pre>\n\n\n\n
    \ud83d\udccc output.txt<\/code> \u4e2d\u5c06\u5305\u542b ls<\/code> \u7684\u8f93\u51fa\u5185\u5bb9\u3002<\/p>\n\n\n\n
    \u793a\u4f8b 2\uff1a\u5c06 ls<\/code> \u6267\u884c\u9519\u8bef\u4fdd\u5b58\u5230 error.log<\/code><\/strong><\/h3>\n\n\n\n
    ls nonexistent_folder 2> error.log\n<\/code><\/pre>\n\n\n\n
    \ud83d\udccc error.log<\/code> \u5c06\u8bb0\u5f55 ls<\/code> \u547d\u4ee4\u7684\u9519\u8bef\u4fe1\u606f\uff08\u5982 No such file or directory<\/code>\uff09\u3002<\/p>\n\n\n\n
    \u793a\u4f8b 3\uff1a\u6b63\u786e\u548c\u9519\u8bef\u4fe1\u606f\u90fd\u4fdd\u5b58\u5230 all.log<\/code><\/strong><\/h3>\n\n\n\n
    ls \/etc \/nonexistent_folder &> all.log\n<\/code><\/pre>\n\n\n\n
    \ud83d\udccc all.log<\/code> \u4e2d\u5305\u542b ls \/etc<\/code> \u7684\u6b63\u786e\u8f93\u51fa\u548c ls nonexistent_folder<\/code> \u7684\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n\n\n\n
    \u793a\u4f8b 4\uff1a\u6b63\u786e\u4fe1\u606f\u8ffd\u52a0\u5230 output.log<\/code>\uff0c\u9519\u8bef\u4fe1\u606f\u8ffd\u52a0\u5230 error.log<\/code><\/strong><\/h3>\n\n\n\n
    ls \/etc >> output.log 2>> error.log\n<\/code><\/pre>\n\n\n\n
    \ud83d\udccc output.log<\/code> \u8bb0\u5f55\u6b63\u786e\u8f93\u51fa\uff0cerror.log<\/code> \u8bb0\u5f55\u9519\u8bef\u4fe1\u606f\uff0c\u4e14\u4e0d\u4f1a\u8986\u76d6\u4e4b\u524d\u7684\u5185\u5bb9\u3002<\/p>\n\n\n\n
    \n\n\n\n
    4. \u603b\u7ed3<\/strong><\/h2>\n\n\n\n
    \u91cd\u5b9a\u5411\u64cd\u4f5c<\/th>\u8bf4\u660e<\/th>\u65b9\u5f0f<\/th><\/tr><\/thead>
    ><\/code><\/td>\u4ec5\u91cd\u5b9a\u5411\u6807\u51c6\u8f93\u51fa<\/strong>\uff0c\u8986\u76d6\u6587\u4ef6<\/td>\u8986\u76d6<\/td><\/tr>
    >><\/code><\/td>\u4ec5\u91cd\u5b9a\u5411\u6807\u51c6\u8f93\u51fa<\/strong>\uff0c\u8ffd\u52a0\u5230\u6587\u4ef6<\/td>\u8ffd\u52a0<\/td><\/tr>
    2><\/code><\/td>\u4ec5\u91cd\u5b9a\u5411\u6807\u51c6\u9519\u8bef<\/strong>\uff0c\u8986\u76d6\u6587\u4ef6<\/td>\u8986\u76d6<\/td><\/tr>
    2>><\/code><\/td>\u4ec5\u91cd\u5b9a\u5411\u6807\u51c6\u9519\u8bef<\/strong>\uff0c\u8ffd\u52a0\u5230\u6587\u4ef6<\/td>\u8ffd\u52a0<\/td><\/tr>
    &><\/code><\/td>\u6807\u51c6\u8f93\u51fa+\u6807\u51c6\u9519\u8bef<\/strong>\uff0c\u8986\u76d6\u6587\u4ef6<\/td>\u8986\u76d6<\/td><\/tr>
    &>><\/code><\/td>\u6807\u51c6\u8f93\u51fa+\u6807\u51c6\u9519\u8bef<\/strong>\uff0c\u8ffd\u52a0\u5230\u6587\u4ef6<\/td>\u8ffd\u52a0<\/td><\/tr>
    >> \u6587\u4ef61 2>> \u6587\u4ef62<\/code><\/td>\u5206\u522b\u4fdd\u5b58\u6807\u51c6\u8f93\u51fa\u548c\u6807\u51c6\u9519\u8bef\u5230\u4e0d\u540c\u6587\u4ef6<\/td>\u8ffd\u52a0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
    \ud83d\udca1 Tip:<\/strong> \u4f7f\u7528 tee<\/code> \u547d\u4ee4\u53ef\u4ee5\u540c\u65f6\u8f93\u51fa\u5230\u7ec8\u7aef\u548c\u6587\u4ef6<\/strong>\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n
    ls \/etc | tee output.log\n<\/code><\/pre>\n\n\n\n
    \u8fd9\u6837\uff0c\u4f60\u65e2\u80fd\u5728\u7ec8\u7aef\u770b\u5230 ls \/etc<\/code> \u7684\u8f93\u51fa\uff0c\u4e5f\u80fd\u5728 output.log<\/code> \u91cc\u627e\u5230\u76f8\u540c\u7684\u5185\u5bb9\uff01\ud83c\udfaf<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5728 Linux \u7ec8\u7aef\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u91cd\u5b9a\u5411\uff08Redirection\uff09\u64cd\u4f5c\uff0c\u5c06\u547d\u4ee4\u7684\u8f93\u51fa\u6216\u9519\u8bef\u4fe1\u606f\u4fdd\u5b58\u5230\u6587\u4ef6\u6216\u8bbe […]<\/p>\n","protected":false},"author":1,"featured_media":93,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[13,126,125],"class_list":["post-637","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-2","tag-linux","tag-126","tag-125"],"_links":{"self":[{"href":"https:\/\/www.zhzxs.site\/index.php\/wp-json\/wp\/v2\/posts\/637","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zhzxs.site\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhzxs.site\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhzxs.site\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhzxs.site\/index.php\/wp-json\/wp\/v2\/comments?post=637"}],"version-history":[{"count":1,"href":"https:\/\/www.zhzxs.site\/index.php\/wp-json\/wp\/v2\/posts\/637\/revisions"}],"predecessor-version":[{"id":638,"href":"https:\/\/www.zhzxs.site\/index.php\/wp-json\/wp\/v2\/posts\/637\/revisions\/638"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.zhzxs.site\/index.php\/wp-json\/wp\/v2\/media\/93"}],"wp:attachment":[{"href":"https:\/\/www.zhzxs.site\/index.php\/wp-json\/wp\/v2\/media?parent=637"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhzxs.site\/index.php\/wp-json\/wp\/v2\/categories?post=637"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhzxs.site\/index.php\/wp-json\/wp\/v2\/tags?post=637"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}