{"id":162,"date":"2016-08-30T13:06:45","date_gmt":"2016-08-30T13:06:45","guid":{"rendered":"http:\/\/info.ffteixeira.net\/2016\/08\/30\/running-the-latest-kernel-rhel-sl-or-centos\/"},"modified":"2016-08-30T13:06:45","modified_gmt":"2016-08-30T13:06:45","slug":"running-the-latest-kernel-rhel-sl-or-centos","status":"publish","type":"post","link":"https:\/\/blog.ffteixeira.net\/?p=162","title":{"rendered":"Running the latest kernel RHEL, SL or CentOS"},"content":{"rendered":"<p>Using the ML kernel for my kvm host for performance gains on my kvm guests. You can easily install the ML or the LT kernels easily on CentOS7 using the ELrepo.<\/p>\n<p>kernel-<strong>MT<\/strong> &ndash; mainline stable kernel<br \/>kernel-<strong>LT<\/strong> &ndash; long term support kernel<\/p>\n<p>Steps:<\/p>\n<p><em>rpm &#8211;import https:\/\/www.elrepo.org\/RPM-GPG-KEY-elrepo.org<br \/>rpm -Uvh http:\/\/www.elrepo.org\/elrepo-release-7.0-2.el7.elrepo.noarch.rpm<br \/>yum remove kernel-headers kernel-tools kernel-tools-libs<\/em><\/p>\n<p>edit \/etc\/yum.repos.d\/elrepo.repo and enable=1 the elrepo-kernel. change the ml to lt to install the long term support kernel.<\/p>\n<p><em>yum install kernel-ml.x86_64 kernel-ml-devel.x86_64 kernel-ml-headers.x86_64 kernel-ml-tools.x86_64 kernel-ml-tools-libs.x86_64 kernel-ml-tools-libs-devel.x86_64<\/em><\/p>\n<p>time to get grub settled<br \/><em>awk -F&#039; &#039;$1==&quot;menuentry &quot; {print $2}&#039; \/etc\/grub2.cfg<\/em><\/p>\n<p>it should list all the kernels in grub2.cfg. if the first one is the newest kernel installed<\/p>\n<p><em>grub2-set-default 0<br \/>grub2-mkconfig -o \/boot\/grub2\/grub.cfg<\/em><\/p>\n<p>REBOOT and you will be running the latest kerne<\/p>\n<p><a href=\"http:\/\/www.gooksu.com\/2015\/04\/21\/running-the-latest-kernel-centos7\/\" target=\"_blank\" rel=\"noopener noreferrer\">Credits<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Using the ML kernel for my kvm host for performance gains on my kvm guests. You can easily install the ML or the LT kernels easily on CentOS7 using the ELrepo. kernel-MT &ndash; mainline stable kernelkernel-LT &ndash; long term support &hellip; <a href=\"https:\/\/blog.ffteixeira.net\/?p=162\">Continue reading <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":[1],"tags":[],"class_list":["post-162","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/blog.ffteixeira.net\/index.php?rest_route=\/wp\/v2\/posts\/162","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.ffteixeira.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.ffteixeira.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.ffteixeira.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.ffteixeira.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=162"}],"version-history":[{"count":0,"href":"https:\/\/blog.ffteixeira.net\/index.php?rest_route=\/wp\/v2\/posts\/162\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.ffteixeira.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=162"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.ffteixeira.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=162"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.ffteixeira.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=162"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}