{"id":68,"date":"2021-09-19T11:27:49","date_gmt":"2021-09-19T03:27:49","guid":{"rendered":"https:\/\/benson.ml\/?p=68"},"modified":"2022-03-23T13:44:49","modified_gmt":"2022-03-23T05:44:49","slug":"linux%e5%bd%bb%e5%ba%95%e6%b8%85%e9%99%a4%e5%8e%86%e5%8f%b2%e8%ae%b0%e5%bd%95%e5%91%bd%e4%bb%a4-%e5%8f%8a%e6%97%a5%e5%bf%97%e7%99%bb%e5%bd%95%e4%bf%a1%e6%81%af","status":"publish","type":"post","link":"https:\/\/benson80.eu.org\/?p=68","title":{"rendered":"LINUX\u5f7b\u5e95\u6e05\u9664\u5386\u53f2\u8bb0\u5f55\u547d\u4ee4 \u53ca\u65e5\u5fd7\u767b\u5f55\u4fe1\u606f"},"content":{"rendered":"\n<p>1\uff0c\u4e34\u65f6\u6e05\u9664<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>history -c<\/code><\/pre>\n\n\n\n<p>2\uff0c\u6c38\u4e45\u6e05\u9664<br>\u8f93\u5165history -c \u6e05\u9664\u6389\u4e86\uff0c\u4f46\u662f\u7cfb\u7edf\u91cd\u542f\uff0c\u6572history\u53d1\u73b0\u53c8\u51fa\u73b0\u4e86\uff0c\u600e\u4e48\u529e\u5462<br>\u7528vim\u7f16\u8f91\u5668\uff0c\u7f16\u8f91\u4e0bprofile\u6587\u4ef6\uff0c\u4fee\u6539\u5386\u53f2\u547d\u4ee4\u8bb0\u5f55\u6761\u6570\u5c31\u641e\u5b9a\u4e86<br>\u7f16\u8f91\u547d\u4ee4\u4e3avim \/etc\/profile<br>\u67e5\u627e\/HISTSIZE<br>\u4fee\u6539HISTSIZE=0 \u6216\u8005\u60f3\u8bb0\u5f55\u7684\u6761\u6570\u5c31\u53ef\u4ee5\u4e86<br>\u6ce8\uff1a\u6ca1\u6709\u7684\uff0c\u5728\u6587\u4ef6\u672b\u5c3e\u6dfb\u52a0\u5c31\u884c\u3002<br>source \u4e00\u4e0b\u6587\u4ef6\u751f\u6548<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>vim \/etc\/profile\nHISTSIZE=0 \n\nsource \/etc\/profile<\/code><\/pre>\n\n\n\n<p>ps\uff1a\u8fd8\u6709\u4e00\u4e2a\u5730\u65b9\u4f1a\u8bb0\u5f55\u5f53\u524d\u64cd\u4f5c\u4e0b\u7528\u6237\u4e0b\u7684\u5386\u53f2\u547d\u4ee4<br>\u5c31\u662f\u8fd9\u4e2a \u6587\u4ef6~\/.bash_history\uff0c\u6e05\u7a7a\u6216\u8005\u5220\u9664\u90fd\u53ef\u4ee5\uff0c\u8fd9\u91cc\u4f7f\u7528\u6e05\u7a7a\u65b9\u6cd5<br>\u65b9\u6cd5\u4e00\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>echo > ~\/.bash_history<\/code><\/pre>\n\n\n\n<p>\u65b9\u6cd5\u4e8c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>cat \/dell\/null > ~\/.bash_history<\/code><\/pre>\n\n\n\n<p>\u65b9\u6cd5\u4e09\uff1a\uff08\u76f4\u63a5vim\u7f16\u8f91\u5220\u9664\uff09<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>vim ~\/.bash_history<\/code><\/pre>\n\n\n\n<p>\uff13\uff0c\u5728linux\u4e2d\uff0c\u5982\u4f55\u6e05\u9664\u8bbf\u95ee\u65e5\u5fd7\u3001\u767b\u9646\u65e5\u5fd7\u4ee5\u53ca\u66fe\u7528\u547d\u4ee4\u7684\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><em>#!\/usr\/bin\/bash<\/em>\n\necho &gt; \/var\/log\/syslog\necho &gt; \/var\/log\/messages\necho &gt; \/var\/log\/httpd\/access_log\necho &gt; \/var\/log\/httpd\/error_log\necho &gt; \/var\/log\/xferlog\necho &gt; \/var\/log\/secure\necho &gt; \/var\/log\/auth.log\necho &gt; \/var\/log\/user.log\necho &gt; \/var\/log\/wtmp\necho &gt; \/var\/log\/lastlog\necho &gt; \/var\/log\/btmp\necho &gt; \/var\/run\/utmp\necho &gt; ~\/.bash_history\nhistory -c<\/code><\/pre>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1\uff0c\u4e34\u65f6\u6e05\u9664 2\uff0c\u6c38\u4e45\u6e05\u9664\u8f93\u5165history -c &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-68","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/benson80.eu.org\/index.php?rest_route=\/wp\/v2\/posts\/68","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/benson80.eu.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/benson80.eu.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/benson80.eu.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/benson80.eu.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=68"}],"version-history":[{"count":1,"href":"https:\/\/benson80.eu.org\/index.php?rest_route=\/wp\/v2\/posts\/68\/revisions"}],"predecessor-version":[{"id":69,"href":"https:\/\/benson80.eu.org\/index.php?rest_route=\/wp\/v2\/posts\/68\/revisions\/69"}],"wp:attachment":[{"href":"https:\/\/benson80.eu.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=68"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/benson80.eu.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=68"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/benson80.eu.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=68"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}