{"id":886,"date":"2020-03-22T11:34:49","date_gmt":"2020-03-22T03:34:49","guid":{"rendered":"https:\/\/www.wjxy.net.cn\/?p=886"},"modified":"2023-10-04T06:32:54","modified_gmt":"2023-10-03T22:32:54","slug":"centos7%e5%86%85%e6%a0%b8%e5%8d%87%e7%ba%a7%e5%8f%8a%e9%83%a8%e7%bd%b2bbr","status":"publish","type":"post","link":"https:\/\/www.wjxy.net.cn\/?p=886","title":{"rendered":"centos7\u5185\u6838\u5347\u7ea7\u53ca\u90e8\u7f72BBR"},"content":{"rendered":"\n<p> \u8f7d\u5165elrepo\u6e90\uff0c\u641c\u7d22\u5185\u6838\u66f4\u65b0\u8d44\u6e90\uff0c\u5e76\u8fdb\u884c\u66f4\u65b0\u64cd\u4f5c \uff08 <a href=\"http:\/\/elrepo.org\/\">http:\/\/elrepo.org\/<\/a> \uff09<\/p>\n\n\n\n<p><strong>\u5347\u7ea7\u5185\u6838<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5bfc\u5165\u516c\u94a5\uff1a\nrpm --import https:\/\/www.elrepo.org\/RPM-GPG-KEY-elrepo.org\n\u5b89\u88c5\u5185\u6838\uff1a\nyum install https:\/\/www.elrepo.org\/elrepo-release-7.0-4.el7.elrepo.noarch.rpm\n yum -y install kernel-ml kernel-ml-devel\n\u91cd\u542f\u68c0\u67e5\u7248\u672c\nuname -a\n\u5207\u6362\u5185\u6838\u65b9\u6cd5\uff1a\n1.\u67e5\u770b\u5f53\u524d\u7cfb\u7edf\u5185\u6838\nuname -r\n2.\u67e5\u770b\u53ef\u4f7f\u7528\u7684\u5185\u6838\u5217\u8868\nawk -F' '$1==\"menuentry \" {print i++ \" : \" $2}' \/etc\/grub2.cfg\n3.\u67e5\u770b\u5f53\u524d\u9ed8\u8ba4\u5185\u6838\u542f\u52a8\u9879\ngrub2-editenv list\n4.\u66f4\u6539\u9ed8\u8ba4\u542f\u52a8\u5185\u6838\u9879\ngrub2-set-default 1\n  #\u6216\u8005vim \/etc\/default\/grub\n  #\u5c06GRUB_DEFAULT=saved\u6539\u4e3aGRUB_DEFAULT=\u201c\u60f3\u8981\u542f\u52a8\u7684\u5185\u6838\u5e8f\u53f7\u201d\n5.\u91cd\u65b0\u521b\u5efa\u5185\u6838\u914d\u7f6e\uff1agrub2-mkconfig -o \/boot\/grub2\/grub.cfg\nreboot\u91cd\u542f\u751f\u6548\n\n\u5220\u9664CentOS\u66f4\u65b0\u540e\u7684\u65e7\u5185\u6838\n1.\u67e5\u770b\u7cfb\u7edf\u4e2d\u5168\u90e8\u7684\u5185\u6838RPM\u5305:\n# rpm -qa | grep kernel\n2.\u5220\u9664\u65e7\u5185\u6838\u7684RPM\u5305\nyum remove kernel-3.10.0-229.14.1.el7 \n3.\u91cd\u542f\nreboot\n<\/code><\/pre>\n\n\n\n<p><strong>\u5f00\u542fBBR\u52a0\u901f<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1.\u4fee\u6539\u5185\u6838\u53c2\u6570\uff1a\necho \u201cnet.core.default_qdisc=fq\u201d >> \/etc\/sysctl.conf\necho \u201cnet.ipv4.tcp_congestion_control=bbr\u201d >> \/etc\/sysctl.conf\n\n2.\u4fdd\u5b58\u8bbe\u7f6e\uff1a\nsysctl -p\n\n3.\u67e5\u770b\u662f\u5426\u751f\u6548\uff1a\nlsmod | grep bbr\n\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\n\u7248\u6743\u58f0\u660e\uff1a\u672c\u6587\u4e3aCSDN\u535a\u4e3b\u300cKasumi_yuki\u300d\u7684\u539f\u521b\u6587\u7ae0\uff0c\u9075\u5faa CC 4.0 BY-SA \u7248\u6743\u534f\u8bae\uff0c\u8f6c\u8f7d\u8bf7\u9644\u4e0a\u539f\u6587\u51fa\u5904\u94fe\u63a5\u53ca\u672c\u58f0\u660e\u3002\n\u539f\u6587\u94fe\u63a5\uff1ahttps:\/\/blog.csdn.net\/Kasumi_yuki\/article\/details\/89190724<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u8f7d\u5165elrepo\u6e90\uff0c\u641c\u7d22\u5185\u6838\u66f4\u65b0\u8d44\u6e90\uff0c\u5e76\u8fdb\u884c\u66f4\u65b0\u64cd\u4f5c \uff08 http:\/\/elrepo.org\/ \uff09 \u5347\u7ea7\u5185\u6838  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"_links":{"self":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/886"}],"collection":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=886"}],"version-history":[{"count":3,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/886\/revisions"}],"predecessor-version":[{"id":2886,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/886\/revisions\/2886"}],"wp:attachment":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=886"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=886"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=886"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}