{"id":31,"date":"2023-02-09T18:04:32","date_gmt":"2023-02-09T10:04:32","guid":{"rendered":"https:\/\/www.tinatsao.com\/wordpress\/?p=31"},"modified":"2023-02-09T18:05:48","modified_gmt":"2023-02-09T10:05:48","slug":"%e9%9b%9c%e9%a0%85%e5%91%bd%e4%bb%a4","status":"publish","type":"post","link":"https:\/\/www.tinatsao.com\/wordpress\/?p=31","title":{"rendered":"\u96dc\u9805\u547d\u4ee4"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>\u5c078080 http\u7684\u5c01\u5305dump\u51fa\u4f86, \u7136\u5f8c\u518d\u7528wireshark\u958b\u555f\u770b<\/strong><br>tcpdump port 8080 -w &#8211; | tee \/home\/tina\/a.pcap | tcpdump -r &#8211;<br>tcpdump -i eno1 port 1883 -w &#8211; | tee \/root\/a.pcap | tcpdump -r &#8211;<br>tcpdump port 8080 -X<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u67e5\u884c\u7a0b:<\/strong><br>ps aux | grep 8080<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u67e5\u770b\u7cfb\u7d71\u8cc7\u6e90\u7684command<\/strong><br>htop \u53ef\u4ee5\u770b\u884c\u7a0b\u540d\u7a31\u6709\u6c92\u6709\u958b\u592a\u591a\u7684thread\uff0c\u6c92\u6709\u59a5\u5584\u95dc\u9589<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">top \u2013p pid \u770b\u884c\u7a0b\u7684CPU MEM\u5360\u7528%\u6578<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ps aux | grep xxxx \u770b\u8a18\u61b6\u9ad4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">pmap \u2013x pid \u770b\u5360\u7528\u7684\u8a18\u61b6\u9ad4\u5206\u5e03\u5982\u4f55<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u770b\u7a0b\u5f0f\u57f7\u884c\u6642, \u54ea\u500bfunction\u4f54\u6700\u591acpu\u6bd4\u7387<\/strong><br>ps aux | grep tunnel &lt;&#8212;-\u627e\u51fa PID<br>sudo perf top -p PID<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u770bfirewall\u8868:<\/strong><br>iptables -nvL | grep udp<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u9019\u500b\u6307\u4ee4\u624d\u662f\u628a\u7576\u524d\u8def\u5f91\u4e2d\u6240\u6709\u76ee\u9304\u6240\u4f54\u7528\u5927\u5c0f\u505a\u7d71\u8a08\u4e26\u4e14\u6392\u5e8f<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">du -chd 1 | sort -h <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">du -c xx\u76ee\u9304 ->\u770b\u67d0\u4e00\u500b\u76ee\u9304\u5927\u5c0f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>diff \u6a94\u6848<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">diff -y -W 100<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8981\u770bmount \u4e0a\u53bb\u7684\u72c0\u614b<\/strong><br>mount<br>cat \/proc\/mounts<br>cat \/etc\/mtab<br>df -h<br>ls \/dev\/disk\/by-uuid<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\/etc\/fstab &#8212;&gt; \u9019\u53ef\u4ee5\u770b, \u958b\u6a5f\u6642, \u639b\u4e86\u54ea\u4e9b\u8a2d\u5099<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u639b\u8f09\u4e26\u7d66\u4e88\u6b0a\u9650<\/strong><br>mount -o umask=0007 -o uid=www-data -o gid=www-data \/dev\/sda1 \/mnt\/data\/test<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5982\u679c SD \u5361\u6709\u554f\u984c, \u5361\u63d2\u9032linux\u6642, dmesg\u6703\u770b\u5230, usb\u6709\u8b8a\u52d5<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728linux\u5e95\u4e0b: fsck \/dev\/sdb , \u770b\u662f\u4ec0\u9ebc\u6a94\u6848\u683c\u5f0f, \u5982\u679c\u662ffat32, \u5efa\u8b70\u5728windows\u505a\u6bd4\u8f03\u597d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">fat32 : windows\u5e95\u4e0b formate fat32<br>not fat32 : mkfs.vfat<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5c078080 http\u7684\u5c01\u5305dump\u51fa\u4f86, \u7136\u5f8c\u518d\u7528wireshark\u958b\u555f\u770btcp &hellip; <a href=\"https:\/\/www.tinatsao.com\/wordpress\/?p=31\">\u95b1\u8b80\u5168\u6587 <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[9],"class_list":["post-31","post","type-post","status-publish","format-standard","hentry","category-linux","tag-linux"],"_links":{"self":[{"href":"https:\/\/www.tinatsao.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/31","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tinatsao.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tinatsao.com\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tinatsao.com\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tinatsao.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=31"}],"version-history":[{"count":2,"href":"https:\/\/www.tinatsao.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/31\/revisions"}],"predecessor-version":[{"id":33,"href":"https:\/\/www.tinatsao.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/31\/revisions\/33"}],"wp:attachment":[{"href":"https:\/\/www.tinatsao.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=31"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tinatsao.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=31"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tinatsao.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=31"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}