{"id":391,"date":"2020-01-09T14:07:59","date_gmt":"2020-01-09T06:07:59","guid":{"rendered":"http:\/\/www.luyouli.com\/?p=391"},"modified":"2020-01-09T14:22:46","modified_gmt":"2020-01-09T06:22:46","slug":"centos-8-0-%e5%ae%89%e8%a3%85-kernel-5-4-8-%e5%b9%b6%e5%bc%80%e5%90%afbbr","status":"publish","type":"post","link":"https:\/\/www.luyouli.com\/?p=391","title":{"rendered":"CentOS 8.0 \u5b89\u88c5 kernel 5.4.8 \u5e76\u5f00\u542fBBR"},"content":{"rendered":"\n<p>\u4eca\u5929\uff0cXX\u4e91\u603b\u7b97\u662f\u652f\u6301centos 8.0\u7684\u955c\u50cf\u4e86\uff0c\u63d0\u524d\u51c6\u5907\u4e86N\u4e45\u7684\u4e1c\u897f\u603b\u7b97\u662f\u53ef\u4ee5\u7528\u4e0a\u4e86\uff0c\u5148\u628a\u5185\u6838\u641e\u4e00\u641e<\/p>\n\n\n\n<p>kernel 5.4.7\u624d\u5f00\u59cb\u652f\u6301centos 8.0\u7cfb\u7edf\uff0c\u8fd9\u6b21\u76f4\u63a5\u5b89\u88c5\u6700\u65b0\u76845.4.8<\/p>\n\n\n\n<p># \u5148\u5378\u8f7d\u539f\u6709\u7684\u5185\u6838\u7248\u672c<\/p>\n\n\n\n<p># rpm -qa | grep kernel<br> kernel-core-4.18.0-80.11.2.el8_0.x86_64<br> kernel-tools-libs-4.18.0-80.11.2.el8_0.x86_64<br> kernel-headers-4.18.0-80.11.2.el8_0.x86_64<br> kernel-core-4.18.0-80.el8.x86_64<br> kernel-modules-4.18.0-80.el8.x86_64<br> kernel-modules-4.18.0-80.11.2.el8_0.x86_64<br> kernel-devel-4.18.0-80.11.2.el8_0.x86_64<br> kernel-tools-4.18.0-80.11.2.el8_0.x86_64<br> kernel-4.18.0-80.11.2.el8_0.x86_64<br> kernel-4.18.0-80.el8.x86_64<\/p>\n\n\n<p><!--more--><\/p>\n\n\n<p># rpm -e kernel-4.18.0-80.el8.x86_64<\/p>\n\n\n\n<p># rpm -e kernel-modules-4.18.0-80.el8.x86_64 kernel-core-4.18.0-80.el8.x86_64<\/p>\n\n\n\n<p># yum remove glibc-headers<\/p>\n\n\n\n<p># rpm -e kernel-headers-4.18.0-80.11.2.el8_0.x86_64<\/p>\n\n\n\n<p># rpm -e kernel-devel-4.18.0-80.11.2.el8_0.x86_64 kernel-tools-4.18.0-80.11.2.el8_0.x86_64<\/p>\n\n\n\n<p># rpm -e kernel-tools-libs-4.18.0-80.11.2.el8_0.x86_64<\/p>\n\n\n\n<p>\u6700\u540e\u5c31\u5269\u4e09\u4e2a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"386\" height=\"109\" src=\"https:\/\/www.luyouli.com\/wp-content\/uploads\/2020\/01\/2.jpg\" alt=\"\" class=\"wp-image-399\" srcset=\"https:\/\/www.luyouli.com\/wp-content\/uploads\/2020\/01\/2.jpg 386w, https:\/\/www.luyouli.com\/wp-content\/uploads\/2020\/01\/2-300x85.jpg 300w\" sizes=\"auto, (max-width: 386px) 100vw, 386px\" \/><\/figure>\n\n\n\n<p># \u5f00\u59cb\u5b89\u88c5\u65b0\u5185\u6838<\/p>\n\n\n\n<p># rpm &#8211;import https:\/\/www.elrepo.org\/RPM-GPG-KEY-elrepo.org<\/p>\n\n\n\n<p># rpm -Uvh https:\/\/www.elrepo.org\/elrepo-release-8.0-2.el8.elrepo.noarch.rpm<\/p>\n\n\n\n<p># yum &#8211;enablerepo=elrepo-kernel install kernel-ml kernel-ml-headers kernel-ml-tools kernel-ml-tools-libs -y<\/p>\n\n\n\n<p># grub2-set-default 0    <\/p>\n\n\n\n<p># \u7136\u540e\u91cd\u542f\u670d\u52a1\u5668<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"244\" height=\"66\" src=\"https:\/\/www.luyouli.com\/wp-content\/uploads\/2020\/01\/3.jpg\" alt=\"\" class=\"wp-image-402\"\/><\/figure>\n\n\n\n<p># \u8bbe\u7f6eBBR<\/p>\n\n\n\n<p># vim \/etc\/sysctl.conf<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">net.core.default_qdisc = fq\nnet.ipv4.tcp_congestion_control = bbr <\/pre>\n\n\n\n<p># sysctl -p<\/p>\n\n\n\n<p>\u4f46\u662f\u6709\u4e2a\u95ee\u9898\uff1a<\/p>\n\n\n\n<p>\u5b89\u88c5\u5b8c\u5185\u6838\u4e4b\u540e\uff0c\u5b89\u88c5GCC\u63d0\u793a\u9700\u8981kernel-headers-4.18.0-80.11.2.el8_0.x86_64\uff0c\u5982\u679c\u9700\u6c42GCC\u7684\u6682\u65f6\u5c31\u4e0d\u8981\u8003\u8651\u5347\u7ea7\u5185\u6838\u52305.4.x\u4e86<\/p>\n\n\n\n<p>\u5982\u679c\u8fd8\u8981\u7528GCC\uff0c\u90a3\u4e48\u89e3\u51b3\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p>\u4e0d\u5378\u8f7d\u539f\u6709\u5185\u6838\u4fe1\u606f\uff0c\u53ea\u5b89\u88c5\u65b0\u5185\u6838\uff0c\u5b89\u88c5 kernel-ml \u548c kernel-ml-devel<\/p>\n\n\n\n<p># yum &#8211;enablerepo=elrepo-kernel install kernel-ml kernel-ml-devel -y<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4eca\u5929\uff0cXX\u4e91\u603b\u7b97\u662f\u652f\u6301centos 8.0\u7684\u955c\u50cf\u4e86\uff0c\u63d0\u524d\u51c6\u5907\u4e86N\u4e45\u7684\u4e1c\u897f\u603b\u7b97\u662f\u53ef\u4ee5\u7528\u4e0a\u4e86\uff0c\u5148\u628a\u5185\u6838\u641e\u4e00\u641e ke [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"class_list":["post-391","post","type-post","status-publish","format-standard","hentry","category-kernel"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":6}},"views":8170,"_links":{"self":[{"href":"https:\/\/www.luyouli.com\/index.php?rest_route=\/wp\/v2\/posts\/391","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.luyouli.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.luyouli.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.luyouli.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.luyouli.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=391"}],"version-history":[{"count":16,"href":"https:\/\/www.luyouli.com\/index.php?rest_route=\/wp\/v2\/posts\/391\/revisions"}],"predecessor-version":[{"id":410,"href":"https:\/\/www.luyouli.com\/index.php?rest_route=\/wp\/v2\/posts\/391\/revisions\/410"}],"wp:attachment":[{"href":"https:\/\/www.luyouli.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=391"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.luyouli.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=391"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.luyouli.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=391"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}