{"id":748,"date":"2020-08-14T12:20:29","date_gmt":"2020-08-14T04:20:29","guid":{"rendered":"https:\/\/blog.humh.cn\/?p=748"},"modified":"2020-08-14T12:21:57","modified_gmt":"2020-08-14T04:21:57","slug":"%e5%85%b3%e4%ba%8eshell%e8%84%9a%e6%9c%ac%e4%b8%ad%e4%b8%80%e6%ac%a1%e6%84%8f%e5%a4%96%e7%9a%84command-not-found%e9%94%99%e8%af%af","status":"publish","type":"post","link":"https:\/\/blog.humh.cn\/?p=748","title":{"rendered":"\u5173\u4e8eshell\u811a\u672c\u4e2d\u4e00\u6b21\u610f\u5916\u7684command not found\u9519\u8bef"},"content":{"rendered":"\n<h3>\u95ee\u9898\u53d1\u73b0<\/h3>\n\n\n\n<p>\u6709\u5927\u81f4\u8fd9\u6837\u4e00\u4e2a\u811a\u672c\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"shell\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#!\/usr\/bin\/env bash\n\nhadoop fs -ls \/<\/pre>\n\n\n\n<p>\u5f53\u6211\u767b\u5f55\u4e3b\u673a\u540e\uff0c\u624b\u52a8\u6267\u884c\u8be5\u811a\u672c\uff0c\u53ef\u4ee5\u6b63\u5e38\u6267\u884c\u3002\u4f46\u5f53\u8be5\u811a\u672c\u4e3acrontab\u4e2d\u4e00\u4e2a\u4efb\u52a1\u65f6\uff0c\u5c31\u62a5 hadoop command not found \u3002<\/p>\n\n\n\n<h3>\u95ee\u9898\u6392\u67e5<\/h3>\n\n\n\n<p>\u9996\u5148\uff0c\u6211\u4eec\u77e5\u9053\uff0c\u201c<code>!\/usr\/bin\/env bash<\/code>\u201d \u8fd9\u79cd\u58f0\u660e\u89e3\u91ca\u5668\u7684\u65b9\u5f0f\uff0c\u662f\u53ef\u4ee5\u8ba9\u811a\u672c\u76f4\u63a5\u4ece\u73af\u5883\u53d8\u91cf\u4e2d\u52a0\u8f7d\u5230shell\uff0c\u5305\u542b\u7cfb\u7edfshell\u4ee5\u53ca\u81ea\u5df1\u914d\u7f6e\u5230$PATH\u7684shell\u3002\u800c\u201c<code>#!\/bin\/sh<\/code>\u201d\u548c\u201c#!\/bin\/bash\u201d\u5747\u53ea\u52a0\u8f7d\u7cfb\u7edfshell\uff0c\u6240\u4ee5\u4f7f\u7528\u4e24\u8005\u7684\u8bdd\uff0c\u4e00\u822c\u90fd\u4f1a\u5728shell\u811a\u672c\u4e2d\u4f7f\u7528\u7edd\u5bf9\u8def\u5f84\u3002\u4e24\u8005\u7684\u533a\u522b\u5728\u4e8e\uff0c\u524d\u8005\u6807\u6ce8\u7684\u811a\u672c\u6267\u884c\u8fc7\u7a0b\u4e3a\u201c\u5f53\u67d0\u884c\u4ee3\u7801\u51fa\u9519\u65f6\uff0c\u4e0d\u7ee7\u7eed\u5f80\u4e0b\u89e3\u91ca\u201d\uff0c\u800c\u540e\u8005\u7ee7\u7eed\u6267\u884c\u3002\u7c7b\u4f3c\u4e8e\u201c<code>\/bin\/bash --posix<\/code>\u201d\u3002<\/p>\n\n\n\n<p>\u660e\u786e\u4ee5\u4e0a\u524d\u8981\u5185\u5bb9\u540e\uff0c\u518d\u6765\u8fdb\u884c\u6392\u67e5\u8fc7\u7a0b\u3002<\/p>\n\n\n\n<p>1\u3001\u6392\u67e5\u767b\u5f55\u4e3b\u673a\uff0c\u6210\u529f\u6267\u884c\u811a\u672c\u7684\u7528\u6237\uff0c\u662f\u5426\u548ccrontab\u4e2d\u6267\u884c\u8be5\u811a\u672c\u4efb\u52a1\u7684\u7528\u6237\u4e3a\u540c\u4e00\u7528\u6237\uff08<code>crontab -u user -l<\/code>\uff09\u3002<br>\u6392\u67e5\u786e\u8ba4\u4e3a\u540c\u4e00\u7528\u6237\u3002<br>2\u3001\u6392\u67e5\u201chadoop\u201d\u547d\u4ee4\u662f\u5426\u6709\u914d\u7f6e\u5728\u73af\u5883\u53d8\u91cf\u4e2d\u3002<br>\u672c\u4eba\u7cfb\u7edfshell\u4f7f\u7528\u7684\u201c\/bin\/bash\u201d\uff08<code>echo $SHELL<\/code>\uff09\u3002\u6240\u4ee5\u6392\u67e5\u201c\/etc\/profile\u201d\u3001\u201c\uff5e\/.bash_profile\u201d\u548c\u201c\uff5e\/.bashrc\u201d\u4e2d\u662f\u5426\u6709\u914d\u7f6e\u201chadoop\u201d\uff0c\u7ecf\u6392\u67e5\uff0c\u201chadoop\u201d\u914d\u7f6e\u5728\u201c\uff5e\/.bash_profile\u201d\u4e2d\u3002<br>\u8fd9\u5c31\u662f\u771f\u6b63\u7684\u95ee\u9898\u6240\u5728\uff0c\u6309\u6211\u4e00\u5f00\u59cb\u7684\u7406\u89e3\uff0c\u663e\u7136\u73af\u5883\u53d8\u91cf\u4e2d\u5df2\u7ecf\u914d\u7f6e\u6210\u529f\u4e86\uff0c\u6211\u767b\u5f55\u7cfb\u7edf\uff0c\u624b\u52a8\u6267\u884c\u811a\u672c\uff0c\u6210\u529f\u6267\u884c\u5c31\u80fd\u8bf4\u660e\u8fd9\u4e2a\u95ee\u9898\u3002\u90a3\u4e3a\u4ec0\u4e48crontab\u4e0d\u884c\u5462\uff0c\u7528\u6237\u4e5f\u5bf9\u7740\u3002<\/p>\n\n\n\n<p>\u627e\u4e86\u5ea6\u5a18\u540e\uff0c\u53d1\u73b0\u539f\u56e0\uff0c\u95ee\u9898\u5c31\u662f\u5728\u4e8e.bash_profile\u548c.bashrc\u7684\u5dee\u522b\u3002<\/p>\n\n\n\n<ul><li>\/etc\/profile\uff1a\u6b64\u6587\u4ef6\u4e3a\u7cfb\u7edf\u7684\u6bcf\u4e2a\u7528\u6237\u8bbe\u7f6e\u73af\u5883\u4fe1\u606f\uff0c\u5f53\u7528\u6237\u7b2c\u4e00\u6b21\u767b\u5f55\u65f6\uff0c\u8be5\u6587\u4ef6\u88ab\u6267\u884c\u3002\u5e76\u4ece\/etc\/profile.d\u76ee\u5f55\u7684\u8bbe\u7f6e\u6587\u4ef6\u4e2d\u641c\u96c6shell\u7684\u8bbe\u7f6e\u3002<\/li><li>\/etc\/bashrc\uff1a\u4e3a\u6bcf\u4e00\u4e2a\u8fd0\u884cbash shell\u7684\u7528\u6237\u6267\u884c\u6b64\u6587\u4ef6\u3002\u5f53bash shell\u88ab\u6253\u5f00\u65f6\uff0c\u8be5\u6587\u4ef6\u88ab\u8bfb\u53d6\u3002<\/li><li>~\/.bash_profile\uff1a\u6bcf\u4e2a\u7528\u6237\u90fd\u53ef\u4f7f\u7528\u8be5\u6587\u4ef6\u8f93\u5165\u4e13\u7528\u4e8e\u81ea\u5df1\u4f7f\u7528\u7684shell\u4fe1\u606f\uff0c\u5f53\u7528\u6237\u767b\u5f55\u65f6\uff0c\u8be5\u6587\u4ef6\u4ec5\u4ec5\u6267\u884c\u4e00\u6b21\uff01\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u4ed6\u8bbe\u7f6e\u4e00\u4e9b\u73af\u5883\u53d8\u91cf\uff0c\u6267\u884c\u7528\u6237\u7684.bashrc\u6587\u4ef6\u3002<\/li><li>~\/.bashrc\uff1a\u8be5\u6587\u4ef6\u5305\u542b\u4e13\u7528\u4e8e\u4f60\u7684bash shell\u7684bash\u4fe1\u606f\uff0c\u5f53\u767b\u5f55\u65f6\u53ca\u6bcf\u6b21\u6253\u5f00\u65b0\u7684shell\u65f6\uff0c\u8be5\u6587\u4ef6\u88ab\u8bfb\u53d6\u3002<\/li><li>~\/.bash_logout\uff1a\u5f53\u6bcf\u6b21\u9000\u51fa\u7cfb\u7edf(\u9000\u51fabash shell)\u65f6\uff0c\u6267\u884c\u8be5\u6587\u4ef6\u3002<\/li><li>\/etc\/profile\u662f\u5168\u5c40\u6027\u7684\u529f\u80fd\uff0c\u5176\u4e2d\u8bbe\u7f6e\u7684\u53d8\u91cf\u4f5c\u7528\u4e8e\u6240\u6709\u7528\u6237\uff0c~\/.bash_profile\u4e2d\u8bbe\u7f6e\u7684\u53d8\u91cf\u80fd\u7ee7\u627f\/etc\/profile\u4e2d\u7684\u53d8\u91cf\u5e76\u4f5c\u7528\u4e8e\u7528\u6237\u3002<\/li><li>~\/.bash_profile \u662f\u4ea4\u4e92\u5f0f\u3001login \u65b9\u5f0f\u8fdb\u5165 bash \u8fd0\u884c\u7684\u3002<\/li><li>~\/.bashrc \u662f\u4ea4\u4e92\u5f0f non-login \u65b9\u5f0f\u8fdb\u5165 bash \u8fd0\u884c\u7684\u3002<br>\uff08\u6ce8\uff1a\u4e0a\u9762\u8fd9\u6bb5\u5185\u5bb9\u6458\u6284\u81ea\uff1a<a href=\"https:\/\/blog.csdn.net\/zc02051126\/article\/details\/20480289\">https:\/\/blog.csdn.net\/zc02051126\/article\/details\/20480289<\/a>\uff09<\/li><\/ul>\n\n\n\n<p>\u53ef\u662f\u5728\u8fd0\u884ccrontab\u7684\u65f6\u5019\uff0c\u662fnon_login\u65b9\u5f0f\u8c03\u7528\u7a0b\u5e8f\u7684\uff0c\u6b64\u65f6\u201c~\/.bash_profile\u201d\u5e76\u4e0d\u4f1a\u88ab\u63d0\u524d\u8c03\u7528\u3002\u800c\u6211\u7684\u201chadoop\u201d\u6b63\u662f\u914d\u5728\u201c~\/.bash_profile\u201d\u4e2d\u7684\uff01\u6240\u4ee5\u624d\u5bfc\u81f4\u4e00\u5f00\u59cb\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n<h3>\u95ee\u9898\u89e3\u51b3<\/h3>\n\n\n\n<p>\u89e3\u51b3\u6b64\u7c7b\u95ee\u9898\uff0c\u6709\u5927\u81f4\u4e09\u79cd\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<p>1\u3001\u5728non_login\u65b9\u5f0f\u7684path\u914d\u7f6e\u6587\u4ef6\u4e2d\u914d\u7f6ecrontab\u4efb\u52a1\u811a\u672c\u4e2d\u53ef\u80fd\u7528\u5230\u7684shell\u3002<br>\u5982\u201c\/etc\/profile\u201d\u3001\u201c\uff5e\/.bashrc\u201d\u4e2d\uff0cLD_LIBRARY_PATH\u6216\u914d\u7f6e\u5230PATH\u4e2d\u90fd\u53ef\u4ee5\u3002<br>2\u3001\u5c06\u5bf9\u5e94crontab\u4efb\u52a1\u914d\u7f6e\u6210 \u767b\u5f55\u6267\u884c\u811a\u672c\u65b9\u5f0f <br>\u5982\u201c<code>0 5 * * * \/test.sh<\/code>\u201d\u6539\u4e3a\u201c<code>0 5 * * * su - -c \/test.sh<\/code>\u201d, \u5207\u6362\u4e3a\u5f53\u524d\u7528\u6237\u6267\u884c\u811a\u672c\uff0c\u4f1a\u4ee5login\u65b9\u5f0f\u5207\u6362\u7528\u6237\u3002\u6240\u4ee5\u4e5f\u5c31\u80fd\u52a0\u8f7d\u5230login\u53d8\u91cf<br>3\u3001\u4efb\u52a1\u811a\u672c\u4e2d\uff0c\u4f7f\u7528\u7edd\u5bf9\u8def\u5f84<br>\u8fd9\u91cc\uff0c\u5c31\u662f\u5c06\u811a\u672c\u4e2d\u7684\u201chadoop\u201d\uff0c\u6539\u6210hadoop\u547d\u4ee4\u7684\u7edd\u5bf9\u8def\u5f84\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u95ee\u9898\u53d1\u73b0 \u6709\u5927\u81f4\u8fd9\u6837\u4e00\u4e2a\u811a\u672c\uff1a \u5f53\u6211\u767b\u5f55\u4e3b\u673a\u540e\uff0c\u624b\u52a8\u6267\u884c\u8be5\u811a\u672c\uff0c\u53ef\u4ee5\u6b63\u5e38\u6267\u884c\u3002\u4f46\u5f53\u8be5\u811a\u672c\u4e3acrontab\u4e2d\u4e00\u4e2a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[53],"tags":[31,104],"_links":{"self":[{"href":"https:\/\/blog.humh.cn\/index.php?rest_route=\/wp\/v2\/posts\/748"}],"collection":[{"href":"https:\/\/blog.humh.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.humh.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.humh.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.humh.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=748"}],"version-history":[{"count":5,"href":"https:\/\/blog.humh.cn\/index.php?rest_route=\/wp\/v2\/posts\/748\/revisions"}],"predecessor-version":[{"id":753,"href":"https:\/\/blog.humh.cn\/index.php?rest_route=\/wp\/v2\/posts\/748\/revisions\/753"}],"wp:attachment":[{"href":"https:\/\/blog.humh.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=748"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.humh.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=748"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.humh.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=748"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}