{"id":35488,"date":"2021-11-01T16:46:13","date_gmt":"2021-11-01T16:46:13","guid":{"rendered":"https:\/\/ubuntuhandbook.org\/?p=35488"},"modified":"2021-11-01T16:46:13","modified_gmt":"2021-11-01T16:46:13","slug":"linux-kernel-5-15-out","status":"publish","type":"post","link":"https:\/\/ubuntuhandbook.org\/index.php\/2021\/11\/linux-kernel-5-15-out\/","title":{"rendered":"Linux Kernel 5.15 is Out! Here&#8217;s How to Install in Ubuntu"},"content":{"rendered":"<p><a href=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2021\/11\/tux-icon.webp\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2021\/11\/tux-icon-250x250.webp\" alt=\"\" width=\"250\" height=\"250\" class=\"alignleft size-thumbnail wp-image-35489\" srcset=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2021\/11\/tux-icon-250x250.webp 250w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2021\/11\/tux-icon-300x300.webp 300w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2021\/11\/tux-icon-600x600.webp 600w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2021\/11\/tux-icon-768x768.webp 768w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2021\/11\/tux-icon.webp 1200w\" sizes=\"auto, (max-width: 250px) 100vw, 250px\" \/><\/a><\/p>\n<p>Linux 5.15 was released yesterday as the new Long Term Support (LTS) kernel release. Here&#8217;s what&#8217;s new and how to install in Ubuntu.<\/p>\n<p>Linus Torvalds <a href=\"https:\/\/lkml.org\/lkml\/2021\/10\/31\/203\" rel=\"noopener\" target=\"_blank\">announced<\/a> the release of Kernel 5.15 on Sunday:<\/p>\n<blockquote><p><i>It&#8217;s been calm, and I have no excuse to add an extra rc, so here we are, with v5.15 pushed out, and the merge window starting tomorrow.<\/p>\n<p>Which is going to be a bit inconvenient for me, since I also have some conference travel coming up. But it&#8217;s only a couple of days and I&#8217;ll have my laptop with me. Sometimes the release timing works out, and<br \/>\nsometimes it doesn&#8217;t..<\/p>\n<p>&#8230;<\/i><\/p><\/blockquote>\n<p>The new kernel release included following new features:<\/p>\n<ul>\n<li>Added the AMD PDTDMA driver<\/li>\n<li>An important laptop suspend\/resume fix for various AMD models.<\/li>\n<li>AMD Zen 3 APU and Yellow Carp APU temperature monitoring support.<\/li>\n<li>Initial Intel XeHP and DG2\/Alchemist discrete graphics support.<\/li>\n<li>New &#8220;NTFS3&#8221; driver.<\/li>\n<li>Added the Apple M1 IOMMU driver <\/li>\n<li>New Realtek RTL8188EU WiFi driver<\/li>\n<li>Intel &#8220;Bz&#8221; WiFi hardware support.<\/li>\n<\/ul>\n<h3>How to Install Kernel 5.15 in Ubuntu 21.10:<\/h3>\n<p><b>The Mainline Kernel PPA provides packages for Ubuntu 21.10. However, it does not include any Ubuntu-provided drivers or patches, which are NOT appropriate for production use.<\/b><\/p>\n<p>The .deb packages for amd64, arm64, ppc64el and s390x are available to download at the link below:<\/p>\n<div class=\"wp-block-buttons aligncenter\">\n<div class=\"wp-block-button is-style-fill\"><a class=\"wp-block-button__link has-vivid-cyan-blue-to-vivid-purple-gradient-background has-text-color has-background\" href=\"https:\/\/kernel.ubuntu.com\/~kernel-ppa\/mainline\/v5.15\/\" target=\"_blank\" rel=\"noreferrer noopener\">Download Kernel 5.15<\/a><\/div>\n<\/div>\n<p>For personal computers, select <code>generic<\/code> for common system, or <code>lowlatency<\/code> for a low latency system (e.g. for recording audio):<\/p>\n<ul>\n<li>linux-headers-5.15.0-xxxxxx_all.deb<\/li>\n<li>linux-headers-5.15.0-xxx-generic(\/lowlatency)_xxx_amd64.deb<\/li>\n<li>linux-modules-5.15.0-xxx-generic(\/lowlatency)_xxx_amd64.deb<\/li>\n<li>linux-image-xxx-5.15.0-xxx-generic(\/lowlatency)_xxx_amd64.deb<\/li>\n<\/ul>\n<p>For those familiar with Linux command, open terminal and run commands one by one to download &#038; install the packages:<\/p>\n<pre>cd \/tmp\/\r\n\r\nwget -c https:\/\/kernel.ubuntu.com\/~kernel-ppa\/mainline\/v5.15\/amd64\/linux-headers-5.15.0-051500_5.15.0-051500.202110312130_all.deb\r\n\r\nwget -c https:\/\/kernel.ubuntu.com\/~kernel-ppa\/mainline\/v5.15\/amd64\/linux-headers-5.15.0-051500-generic_5.15.0-051500.202110312130_amd64.deb\r\n\r\nwget -c https:\/\/kernel.ubuntu.com\/~kernel-ppa\/mainline\/v5.15\/amd64\/linux-image-unsigned-5.15.0-051500-generic_5.15.0-051500.202110312130_amd64.deb\r\n\r\nwget -c https:\/\/kernel.ubuntu.com\/~kernel-ppa\/mainline\/v5.15\/amd64\/linux-modules-5.15.0-051500-generic_5.15.0-051500.202110312130_amd64.deb\r\n\r\nsudo dpkg -i *.deb<\/pre>\n<p>Once installed, restart your computer and enjoy!<\/p>\n<h3>Uninstall Linux Kernel 5.15:<\/h3>\n<p>Restart your machine and select boot with the previous kernel in boot menu \u2018Grub2 -> Advanced Option for Ubuntu\u2019. Then run command to remove Linux Kernel 5.15:<\/p>\n<pre>sudo dpkg --purge linux-image-unsigned-5.15.0-051500<\/pre>\n<h3>Kernel 5.15 for Ubuntu 20.04:<\/h3>\n<p>The mainline kernel was build against Ubuntu 21.10, so it won&#8217;t install in Ubuntu 20.04 LTS. However, for those insist on installing the new kernel, <a href=\"https:\/\/github.com\/TuxInvader\/focal-mainline-builder\" rel=\"noopener\" target=\"_blank\">this project<\/a> is available along with an <a href=\"https:\/\/launchpad.net\/~tuxinvader\/+archive\/ubuntu\/lts-mainline\/\" rel=\"noopener\" target=\"_blank\">Ubuntu PPA<\/a>. <b>Use it at your own risk!<\/b><\/p>\n<p>You may run command in terminal to add the PPA:<\/p>\n<pre>sudo add-apt-repository ppa:tuxinvader\/lts-mainline<\/pre>\n<p>Once the Kernel 5.15 package is updated, use command to install it:<\/p>\n<pre>sudo apt install linux-generic-5.15<\/pre>","protected":false},"excerpt":{"rendered":"<p>Linux 5.15 was released yesterday as the new Long Term Support (LTS) kernel release. Here&#8217;s what&#8217;s new and how to install in Ubuntu. Linus Torvalds announced the release of Kernel 5.15 on Sunday: It&#8217;s been calm, and I have no excuse to add an extra rc, so here we are, with v5.15 pushed out, and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":35489,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-35488","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-howtos"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/posts\/35488","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/comments?post=35488"}],"version-history":[{"count":0,"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/posts\/35488\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/media\/35489"}],"wp:attachment":[{"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/media?parent=35488"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/categories?post=35488"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/tags?post=35488"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}