{"id":1368,"date":"2019-02-11T08:26:31","date_gmt":"2019-02-11T02:56:31","guid":{"rendered":"http:\/\/jaipurhosting.com\/blog\/?p=1368"},"modified":"2019-02-25T06:52:45","modified_gmt":"2019-02-25T01:22:45","slug":"how-to-downgrade-rhel-centos-to-previous-version","status":"publish","type":"post","link":"https:\/\/www.jaipurhosting.com\/blog\/how-to-downgrade-rhel-centos-to-previous-version\/","title":{"rendered":"How to Downgrade RHEL\/CentOS to Previous Version"},"content":{"rendered":"\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p><strong>Description <\/strong><\/p>\n\n\n\n<p>If you have upgraded your kernel&nbsp;and&nbsp;<strong>redhat-release<\/strong>&nbsp;packages and you are encountering some issues. <\/p>\n\n\n\n<p>In this article, we will describe how to do downgrade RHEL or CentOS version to previous minor version. <\/p>\n\n\n\n<p><strong>Note<\/strong>: The following steps will only work for downgrades within the same major version (such as from&nbsp;<strong>RHEL\/CentOS 7.6 to 7.5<\/strong>) but not between major versions (such as from&nbsp;<strong>RHEL\/CentOS 7.0 to 6.9<\/strong>). <\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong>How to Downgrade RHEL\/CentOS to Previous Version<\/strong><\/p>\n\n\n\n<p> A minor version is a release of&nbsp;<strong>RHEL<\/strong>&nbsp;that does not (in most cases) add new features or content. <\/p>\n\n\n\n<p>It focuses on solving minor problems, typically bugs or security issues. <\/p>\n\n\n\n<p>Most of what makes a specific minor version is included in the kernel, so you will need to find out which kernels are supported as part of the minor version you are targeting. <\/p>\n\n\n\n<p>We will see how to downgrade from <strong>7.6 to 7.5<\/strong>. <\/p>\n\n\n\n<p>Before we proceed, note that the kernel version for&nbsp;<strong>7.5<\/strong>&nbsp;is&nbsp;<strong>3.10.0-862<\/strong>. <\/p>\n\n\n\n<p>Got to&nbsp;<a rel=\"noreferrer noopener nofollow\" href=\"https:\/\/access.redhat.com\/site\/articles\/3078\" target=\"_blank\">Red Hat Enterprise Linux Release Dates<\/a>&nbsp;for a complete list of minor releases and associated kernel versions. <\/p>\n\n\n\n<p> Let\u2019s check if the required kernel packages \u201c<strong>kernel-3.10.0-862<\/strong>\u201d is installed or not, using the following&nbsp;yum command.&nbsp;<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><strong><em># yum list kernel-3.10.0-862*<\/em><\/strong><br><\/pre>\n\n\n\n<p> If the output of the previous command shows that the kernel package is not installed, you need to install it on the system. <\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><b><em># yum install kernel-3.10.0-862.el7<\/em><\/b><\/pre>\n\n\n\n<p>Once the kernel installation is compete, to apply the changes, you need to reboot the system. <\/p>\n\n\n\n<p> Then downgrade the&nbsp;<strong>redhat-release<\/strong>&nbsp;package to complete the process. <\/p>\n\n\n\n<p>The command below targets the latest minor version that is lower than the current running one, such as from&nbsp;<strong>7.6 to 7.5<\/strong>, or from&nbsp;<strong>7.5 o 7.4<\/strong>. <\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><strong><em># yum downgrade redhat-release<\/em><\/strong><br><\/pre>\n\n\n\n<p>Finally, confirm the downgrade by checking the contents of <strong>\/etc\/redhat-release<\/strong>&nbsp;using the&nbsp;<a href=\"http:\/\/jaipurhosting.com\/blog\/basic-cat-commands-in-linux-with-examples\/\">cat command<\/a>. <\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><strong><em># cat \/etc\/redhat-release<\/em><\/strong><em><br><\/em><\/pre>\n\n\n\n<p>\n\nWe hope you\u2019ve found this useful!\n\n<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Description If you have upgraded your kernel&nbsp;and&nbsp;redhat-release&nbsp;packages and you are encountering some issues. In this article, we will describe how to do downgrade RHEL or CentOS version to previous minor version. Note: The following steps will only work for downgrades within the same major version (such as from&nbsp;RHEL\/CentOS 7.6 to 7.5) but not between major [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1369,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1368","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-categorized"],"_links":{"self":[{"href":"https:\/\/www.jaipurhosting.com\/blog\/wp-json\/wp\/v2\/posts\/1368","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jaipurhosting.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jaipurhosting.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jaipurhosting.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jaipurhosting.com\/blog\/wp-json\/wp\/v2\/comments?post=1368"}],"version-history":[{"count":5,"href":"https:\/\/www.jaipurhosting.com\/blog\/wp-json\/wp\/v2\/posts\/1368\/revisions"}],"predecessor-version":[{"id":1377,"href":"https:\/\/www.jaipurhosting.com\/blog\/wp-json\/wp\/v2\/posts\/1368\/revisions\/1377"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jaipurhosting.com\/blog\/wp-json\/wp\/v2\/media\/1369"}],"wp:attachment":[{"href":"https:\/\/www.jaipurhosting.com\/blog\/wp-json\/wp\/v2\/media?parent=1368"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jaipurhosting.com\/blog\/wp-json\/wp\/v2\/categories?post=1368"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jaipurhosting.com\/blog\/wp-json\/wp\/v2\/tags?post=1368"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}