{"id":179,"date":"2026-01-23T02:39:46","date_gmt":"2026-01-23T02:39:46","guid":{"rendered":"https:\/\/blog.gpst.net.cn:4008\/?p=179"},"modified":"2026-01-28T06:24:15","modified_gmt":"2026-01-28T06:24:15","slug":"linux%e9%87%8d%e6%96%b0%e7%bb%91%e5%ae%9a%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%9a%84-usb-%e6%8e%a7%e5%88%b6%e5%99%a8%e9%a9%b1%e5%8a%a8-bash-shell%e8%84%9a%e6%9c%ac","status":"publish","type":"post","link":"https:\/\/opshub.com.cn\/?p=179","title":{"rendered":"Linux\u91cd\u65b0\u7ed1\u5b9a\u670d\u52a1\u5668\u7684 USB \u63a7\u5236\u5668\u9a71\u52a8 bash shell\u811a\u672c"},"content":{"rendered":"\n<p>\u201c\u91cd\u542f\u201d USB \u63a7\u5236\u5668\u7684\u9a71\u52a8\uff0c\u89e3\u51b3 USB \u8bbe\u5907\u8bc6\u522b\u5f02\u5e38\u3001\u8fde\u63a5\u4e0d\u7a33\u5b9a\u7b49\u95ee\u9898<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#!\/bin\/bash\n# \u4f18\u5316\u7248\uff1aUSB\u63a7\u5236\u5668\u9a71\u52a8\u91cd\u542f\u811a\u672c\uff08\u5e26\u65e5\u5fd7\u3001\u9519\u8bef\u5904\u7406\uff09\n\n# \u5b9a\u4e49\u65e5\u5fd7\u6587\u4ef6\nLOG_FILE=\"\/var\/log\/usb_reset.log\"\necho \"&#091;$(date +'%Y-%m-%d %H:%M:%S')] \u5f00\u59cb\u91cd\u542fUSB\u63a7\u5236\u5668\u9a71\u52a8...\" &gt;&gt; $LOG_FILE\n\n# \u63d0\u53d6USB\u63a7\u5236\u5668\u7c7b\u578b\uff08ohci\/ehci\/xhci\uff09\nhubs=($(lspci | grep USB | egrep -o \"(OHCI|EHCI|xHCI)\" | tr 'A-Z' 'a-z' | awk '{printf\"%s \",$1}'))\n\n# \u68c0\u67e5\u662f\u5426\u627e\u5230USB\u63a7\u5236\u5668\nif &#091; ${#hubs&#091;@]} -eq 0 ]; then\n    echo \"&#091;$(date +'%Y-%m-%d %H:%M:%S')] \u672a\u627e\u5230USB\u63a7\u5236\u5668\uff0c\u811a\u672c\u9000\u51fa\" &gt;&gt; $LOG_FILE\n    exit 0\nfi\n\n# \u904d\u5386\u6bcf\u4e2a\u63a7\u5236\u5668\u7c7b\u578b\nfor hub in ${hubs&#091;@]}; do\n    DRV_DIR=\"\/sys\/bus\/pci\/drivers\/${hub}_hcd\"\n    # \u68c0\u67e5\u9a71\u52a8\u76ee\u5f55\u662f\u5426\u5b58\u5728\n    if &#091; ! -d \"$DRV_DIR\" ]; then\n        echo \"&#091;$(date +'%Y-%m-%d %H:%M:%S')] \u9a71\u52a8\u76ee\u5f55 $DRV_DIR \u4e0d\u5b58\u5728\uff0c\u8df3\u8fc7\" &gt;&gt; $LOG_FILE\n        continue\n    fi\n\n    # \u63d0\u53d6\u8bbe\u5907ID\n    dids=($(find \"$DRV_DIR\" -type l | egrep \"\/(&#091;0-9]+:){1,}\" | awk -F'\/' '{printf\"%s \",$NF}'))\n    if &#091; ${#dids&#091;@]} -eq 0 ]; then\n        echo \"&#091;$(date +'%Y-%m-%d %H:%M:%S')] \u63a7\u5236\u5668 $hub \u4e0b\u65e0\u7ed1\u5b9a\u8bbe\u5907\uff0c\u8df3\u8fc7\" &gt;&gt; $LOG_FILE\n        continue\n    fi\n\n    # \u89e3\u7ed1\u5e76\u91cd\u65b0\u7ed1\u5b9a\u6bcf\u4e2a\u8bbe\u5907\n    for did in ${dids&#091;@]}; do\n        &#091; -z \"$did\" ] &amp;&amp; continue\n        echo \"&#091;$(date +'%Y-%m-%d %H:%M:%S')] \u5904\u7406\u8bbe\u5907 $did\uff08\u63a7\u5236\u5668\uff1a$hub\uff09\" &gt;&gt; $LOG_FILE\n        \n        # \u89e3\u7ed1\u8bbe\u5907\uff08\u6355\u83b7\u9519\u8bef\uff09\n        if ! echo \"$did\" &gt; \"$DRV_DIR\/unbind\"; then\n            echo \"&#091;$(date +'%Y-%m-%d %H:%M:%S')] \u8bbe\u5907 $did \u89e3\u7ed1\u5931\u8d25\uff01\" &gt;&gt; $LOG_FILE\n            continue\n        fi\n\n        # \u91cd\u65b0\u7ed1\u5b9a\u8bbe\u5907\uff08\u6355\u83b7\u9519\u8bef\uff09\n        if ! echo \"$did\" &gt; \"$DRV_DIR\/bind\"; then\n            echo \"&#091;$(date +'%Y-%m-%d %H:%M:%S')] \u8bbe\u5907 $did \u91cd\u65b0\u7ed1\u5b9a\u5931\u8d25\uff01\" &gt;&gt; $LOG_FILE\n        else\n            echo \"&#091;$(date +'%Y-%m-%d %H:%M:%S')] \u8bbe\u5907 $did \u91cd\u542f\u6210\u529f\" &gt;&gt; $LOG_FILE\n        fi\n    done\ndone\n\necho \"&#091;$(date +'%Y-%m-%d %H:%M:%S')] USB\u63a7\u5236\u5668\u9a71\u52a8\u91cd\u542f\u811a\u672c\u6267\u884c\u5b8c\u6210\" &gt;&gt; $LOG_FILE<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u201c\u91cd\u542f\u201d USB \u63a7\u5236\u5668\u7684\u9a71\u52a8\uff0c\u89e3\u51b3 USB \u8bbe\u5907\u8bc6\u522b\u5f02\u5e38\u3001\u8fde\u63a5\u4e0d\u7a33\u5b9a\u7b49\u95ee\u9898<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-179","post","type-post","status-publish","format-standard","hentry","category-9"],"_links":{"self":[{"href":"https:\/\/opshub.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/179","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/opshub.com.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/opshub.com.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/opshub.com.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/opshub.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=179"}],"version-history":[{"count":2,"href":"https:\/\/opshub.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/179\/revisions"}],"predecessor-version":[{"id":660,"href":"https:\/\/opshub.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/179\/revisions\/660"}],"wp:attachment":[{"href":"https:\/\/opshub.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=179"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/opshub.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=179"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/opshub.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=179"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}