{"id":156,"date":"2021-05-25T10:07:35","date_gmt":"2021-05-25T02:07:35","guid":{"rendered":"http:\/\/blog.ppdd.vip\/?p=156"},"modified":"2021-05-25T10:07:35","modified_gmt":"2021-05-25T02:07:35","slug":"linux%e4%b8%ad%e6%96%87%e4%bb%b6%e6%97%a0%e6%b3%95%e5%88%a0%e9%99%a4%e6%80%8e%e4%b9%88%e8%a7%a3%e5%86%b3","status":"publish","type":"post","link":"https:\/\/blog.ppdd.vip\/index.php\/2021\/05\/25\/linux%e4%b8%ad%e6%96%87%e4%bb%b6%e6%97%a0%e6%b3%95%e5%88%a0%e9%99%a4%e6%80%8e%e4%b9%88%e8%a7%a3%e5%86%b3\/","title":{"rendered":"linux\u4e2d\u6587\u4ef6\u65e0\u6cd5\u5220\u9664\u600e\u4e48\u89e3\u51b3"},"content":{"rendered":"

linux\u4e2d\u6587\u4ef6\u65e0\u6cd5\u5220\u9664\u600e\u4e48\u89e3\u51b3\uff1f\u76f8\u4fe1\u5f88\u591a\u6ca1\u6709\u7ecf\u9a8c\u7684\u4eba\u5bf9\u6b64\u675f\u624b\u65e0\u7b56\uff0c\u4e3a\u6b64\u672c\u6587\u603b\u7ed3\u4e86\u95ee\u9898\u51fa\u73b0\u7684\u539f\u56e0\u548c\u89e3\u51b3\u65b9\u6cd5\uff0c\u901a\u8fc7\u8fd9\u7bc7\u6587\u7ae0\u5e0c\u671b\u4f60\u80fd\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n

\u6700\u8fd1\u6211\u4eec\u7684\u670d\u52a1\u5668\u88ab\u9ed1\u5ba2\u653b\u51fb\uff0c\u7136\u540e\u6709\u4e9b\u6587\u4ef6\u7684\u5c5e\u6027\u88ab\u4fee\u6539\uff0c\u5bfc\u81f4\u6211\u4eec\u65e0\u6cd5\u5220\u9664\u75c5\u6bd2\u6587\u4ef6\uff0c\u540c\u65f6\u91c7\u7528 root \u7528\u6237\u4e5f\u65e0\u6cd5\u5220\u9664\uff0c\u73b0\u5728\u628a\u89e3\u51b3\u65b9\u6848\u8bb0\u5f55\u4e0b\u6765\u3002<\/p>\n

Linux \u6587\u4ef6\/\u6587\u4ef6\u5939\u65e0\u6cd5\u5220\u9664\u95ee\u9898\u89e3\u51b3\u65b9\u6848<\/strong><\/p>\n

\u666e\u901a\u5220\u9664<\/strong><\/p>\n

\u5982\u679c\u6587\u4ef6\u662f\u5f53\u524d\u7528\u6237\u7684\uff0c\u90a3\u4e48\u4f7f\u7528 rm \u547d\u4ee4\u5c31\u53ef\u4ee5\u5220\u9664<\/p>\n

rm -rf file.sh<\/pre>\n
\u5982\u679c\u65e0\u6cd5\u5220\u9664\uff0c\u5219\u5c1d\u8bd5\u4f7f\u7528 root \u7528\u6237\u5220\u9664\uff0c\u5982\u679c\u65e0\u6cd5\u5220\u9664\u90a3\u4e48\u8bf7\u770b\u4e0b\u9762\u7684\u8bf4\u660e\u3002<\/p>\n
\u9700\u8981\u4e86\u89e3\u7684\u547d\u4ee4<\/strong><\/p>\n
\u5982\u679c\u666e\u901a\u7684\u5220\u9664\u65b9\u5f0f\u6ca1\u6709\u7528\uff0c\u90a3\u4e48\u6211\u4eec\u9700\u8981\u4e86\u89e3\u4e0b\u9762\u7684\u547d\u4ee4\u6765\u8fdb\u884c\u5220\u9664<\/p>\n
lsattr<\/strong><\/p>\n
lsattr \u547d\u4ee4\u7528\u4e8e\u663e\u793a\u6587\u4ef6\u7684\u5c5e\u6027\uff0c\u4f7f\u7528\u65b9\u5f0f\u5982\u4e0b<\/p>\n
# \u5217\u51fa file.sh \u6587\u4ef6\u7684\u5c5e\u6027\nlsattr file.sh\n# \u5217\u51fa\u5f53\u524d\u76ee\u5f55\u4e0b\u6240\u6709\u6587\u4ef6\u4ee5\u53ca\u6587\u4ef6\u5939\u7684\u5c5e\u6027<\/pre>\n
lsattr<\/strong><\/p>\n
\u5c5e\u6027\u8bf4\u660e<\/strong><\/p>\n
i \u5c5e\u6027\u8bbe\u7f6e\u4e4b\u540e\u53ef\u4f7f\u6587\u4ef6\u4e0d\u80fd\u88ab\u5220\u9664\u3001\u6539\u540d\uff0c\u8bbe\u7f6e\u8fde\u63a5\u4e5f\u65e0\u6cd5\u5199\u5165\u6216\u6dfb\u52a0\u6570\u636e\uff0c\u53ea\u6709 root \u7528\u6237\u624d\u80fd\u8bbe\u7f6e<\/p>\n
a \u5c5e\u6027\u8bbe\u7f6e\u4e4b\u540e\uff0c\u6587\u4ef6\u53ea\u80fd\u589e\u52a0\u6570\u636e\uff0c\u65e2\u4e0d\u80fd\u5220\u9664\u4e5f\u4e0d\u80fd\u4fee\u6539\u6570\u636e\uff0c\u53ea\u6709 root \u7528\u6237\u624d\u80fd\u8bbe\u7f6e<\/p>\n
A \u8bbe\u7f6eA\u5c5e\u6027\u540e\uff0c\u82e5\u4f60\u8bbf\u95ee\u6b64\u6587\u4ef6\u6216\u76ee\u5f55\u65f6\uff0c\u5b83\u7684\u8bbf\u95ee\u65f6\u95f4 atime \u4e0d\u4f1a\u88ab\u4fee\u6539\uff0c\u53ef\u907f\u514dI\/O\u8f83\u6162\u7684\u673a\u5668\u8fc7\u5ea6\u8bbf\u95ee\u78c1\u76d8\u3002\u8fd9\u5bf9\u901f\u5ea6\u8f83\u6162\u7684\u8ba1\u7b97\u673a\u6709\u5e2e\u52a9\u3002<\/p>\n
s \u5c5e\u6027\u8bbe\u7f6e\u4e4b\u540e\uff0c\u5982\u679c\u6587\u4ef6\u88ab\u5220\u9664\uff0c\u5c06\u4ece\u786c\u76d8\u5f7b\u5e95\u5220\u9664<\/p>\n
S \u5c5e\u6027\u8bbe\u7f6e\u4e4b\u540e\uff0c\u6587\u4ef6\u5c06\u540c\u6b65\u5199\u5165\u786c\u76d8\uff08\u4e00\u822c\u4e3a\u5f02\u6b65\uff09<\/p>\n
u \u5c5e\u6027\u8bbe\u7f6e\u4e4b\u540e\uff0c\u6587\u4ef6\u5220\u9664\u540e\u6570\u636e\u5185\u5bb9\u8fd8\u5b58\u5728\u78c1\u76d8\u4e2d\uff0c\u53ef\u4ee5\u627e\u56de\u6587\u4ef6<\/p>\n
e \u4ee3\u8868\u8be5\u6587\u4ef6\u4e3a\u53ef\u6267\u884c\u6587\u4ef6<\/p>\n
chattr<\/strong><\/p>\n
chattr \u7528\u4e8e\u4fee\u6539\u6587\u4ef6\u5c5e\u6027\uff0c\u8be5\u547d\u4ee4\u8bf7\u5207\u6362\u81f3 root \u7528\u6237\u4e0b\u4f7f\u7528\uff0c\u5982\u679c\u662f ubuntu \u7528\u6237\u53ef\u5728\u547d\u4ee4\u524d\u52a0 sudo \u8fdb\u884c\u4fee\u6539<\/p>\n
# \u4e3a file.sh \u6587\u4ef6\u589e\u52a0 i \u6807\u8bc6\nchattr +i file.sh\n# \u4e3a file.sh \u6587\u4ef6\u53bb\u9664 i \u6807\u8bc6\nchattr -i file.sh\n# \u4e3a file.sh \u589e\u52a0 i, a \u4e24\u4e2a\u6807\u8bc6\nchattr +ia file.sh\n# \u4e3a file.sh \u6587\u4ef6\u79fb\u9664 i, a \u4e24\u4e2a\u6807\u8bc6\nchattr -ia file.sh<\/pre>\n
\u5b9e\u9645\u64cd\u4f5c<\/strong><\/p>\n
\u7531\u4e0a\u6587\u4e2d\u5f97\u77e5\u5f53\u6587\u4ef6\u8bbe\u7f6e i \u548c a \u4efb\u610f\u4e00\u4e2a\u5c5e\u6027\u6211\u4eec\u5c31\u65e0\u6cd5\u5bf9\u6587\u4ef6\u8fdb\u884c\u5220\u9664\u64cd\u4f5c\uff0c\u90a3\u4e48\u6211\u4eec\u9996\u5148\u79fb\u9664 i, a \u5c5e\u6027\uff0c\u7136\u540e\u6267\u884c\u5220\u9664\uff1a<\/p>\n
# \u79fb\u9664 i, a \u5c5e\u6027\nchattr -ia file.sh\n# \u67e5\u770b\u662f\u5426\u79fb\u9664\u6210\u529f\nlsattr file.sh\n# \u79fb\u9664\u6587\u4ef6\nrm -rf file.sh<\/pre>\n
\u5982\u679c\u6587\u4ef6\u8fd8\u672a\u5220\u9664\u6210\u529f\uff0c\u5219\u6211\u4eec\u9700\u8981\u8003\u8651\u6587\u4ef6\u6240\u5c5e\u7684\u6587\u4ef6\u5939\u662f\u5426\u8bbe\u7f6e\u4e86 i \u6216 a \u5c5e\u6027\uff08\u8fd9\u4e00\u70b9\u786e\u5b9e\u5f88\u96be\u53d1\u73b0\uff09<\/p>\n
# \u9000\u56de\u4e0a\u4e00\u7ea7\ncd ..\n# \u76f4\u63a5\u4f7f\u7528 lsattr \u547d\u4ee4\uff0c\u8fd9\u6837\u53ef\u4ee5\u5217\u51fa\u5f53\u524d\u6587\u4ef6\u5939\u4e0b\u6240\u6709\u6587\u4ef6\u548c\u6587\u4ef6\u5939\u7684\u5c5e\u6027\n# \u4e0d\u8981\u4f7f\u7528 lsattr \u6587\u4ef6\u5939 \u8fd9\u6837\u7684\u8bed\u6cd5\uff0c\u8fd9\u6837\u662f\u5217\u51fa\u8be5\u6587\u4ef6\u5939\u4e0b\u7684\u6587\u4ef6\u7684\u5c5e\u6027<\/pre>\n
lsattr<\/strong><\/p>\n
\u5982\u679c\u6587\u4ef6\u5939\u88ab\u8bbe\u7f6e\u5219\u5bf9\u6587\u4ef6\u5939\u7684\u5c5e\u6027\u6267\u884c\u79fb\u9664\u64cd\u4f5c\uff0c\u7136\u540e\u518d\u5220\u9664\u6587\u4ef6\u5939\u91cc\u9762\u7684\u6587\u4ef6<\/p>\n
\u6536\u83b7<\/strong><\/p>\n
\u867d\u7136 lsattr \u548c chattr \u662f\u5728\u8fd9\u6b21\u6e05\u9664\u75c5\u6bd2\u7684\u8fc7\u7a0b\u4e2d\u53d1\u73b0\u7684\uff0c\u4f46\u662f\u901a\u8fc7\u4e86\u89e3\u6587\u4ef6\u5c5e\u6027\uff0c\u53d1\u73b0\u6211\u4eec\u5728\u5b9e\u9645\u7684\u5de5\u4f5c\u4e2d\u53ef\u4ee5\u901a\u8fc7\u6587\u4ef6\u5c5e\u6027\u6765\u4fdd\u62a4\u91cd\u8981\u7684\u6587\u4ef6\u907f\u514d\u88ab\u8bef\u5220\uff0c\u4ee5\u53ca\u786e\u4fdd\u8bef\u5220\u540e\u80fd\u591f\u6062\u590d\u6587\u4ef6\u3002<\/p>\n
\u5bf9\u4e8e\u6587\u4ef6\u7684\u64cd\u4f5c\u540e\u5982\u679c\u8fd8\u662f\u6ca1\u6709\u6548\u679c\uff0c\u6211\u4eec\u53ef\u4ee5\u5c1d\u8bd5\u4ece\u6587\u4ef6\u5939\u5165\u624b\u89e3\u51b3\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
linux\u4e2d\u6587\u4ef6\u65e0\u6cd5\u5220\u9664\u600e\u4e48\u89e3\u51b3\uff1f\u76f8\u4fe1\u5f88\u591a\u6ca1\u6709\u7ecf\u9a8c\u7684\u4eba\u5bf9\u6b64\u675f\u624b\u65e0\u7b56\uff0c\u4e3a\u6b64\u672c\u6587\u603b\u7ed3\u4e86\u95ee\u9898\u51fa\u73b0\u7684\u539f\u56e0\u548c\u89e3\u51b3\u65b9\u6cd5\uff0c\u901a…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-156","post","type-post","status-publish","format-standard","hentry","category-2"],"_links":{"self":[{"href":"https:\/\/blog.ppdd.vip\/index.php\/wp-json\/wp\/v2\/posts\/156","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.ppdd.vip\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.ppdd.vip\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.ppdd.vip\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.ppdd.vip\/index.php\/wp-json\/wp\/v2\/comments?post=156"}],"version-history":[{"count":0,"href":"https:\/\/blog.ppdd.vip\/index.php\/wp-json\/wp\/v2\/posts\/156\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.ppdd.vip\/index.php\/wp-json\/wp\/v2\/media?parent=156"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.ppdd.vip\/index.php\/wp-json\/wp\/v2\/categories?post=156"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.ppdd.vip\/index.php\/wp-json\/wp\/v2\/tags?post=156"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}