<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Fedora on DevOps OPf</title><link>https://buck.zone/en/tags/fedora/</link><description>Recent content in Fedora on DevOps OPf</description><generator>Hugo -- gohugo.io</generator><language>en</language><copyright>Daniel 'Tealk' Buck</copyright><lastBuildDate>Thu, 20 Mar 2025 00:00:00 +0000</lastBuildDate><atom:link href="https://buck.zone/en/tags/fedora/index.xml" rel="self" type="application/rss+xml"/><item><title>rpm-ostree Commands</title><link>https://buck.zone/en/p/rpm-ostree-commands/</link><pubDate>Thu, 20 Mar 2025 00:00:00 +0000</pubDate><guid>https://buck.zone/en/p/rpm-ostree-commands/</guid><description>&lt;h2 id="remove-a-system-package"&gt;Remove a system package
&lt;/h2&gt;&lt;p&gt;To remove a system package, use the following command. In this example, Firefox and its language pack are removed:&lt;/p&gt;
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&lt;pre tabindex="0" class="chroma"&gt;&lt;code class="language-bash" data-lang="bash"&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;rpm-ostree override remove firefox-langpacks-136.0.1-1.fc41.x86_64 firefox
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&lt;/div&gt;&lt;h2 id="restore-a-system-package"&gt;Restore a system package
&lt;/h2&gt;&lt;p&gt;If you want to restore a previously removed package, use the following command. Here, Firefox and its language pack are reset:&lt;/p&gt;
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&lt;pre tabindex="0" class="chroma"&gt;&lt;code class="language-bash" data-lang="bash"&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;rpm-ostree override reset firefox-langpacks-136.0.1-1.fc41.x86_64 firefox
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&lt;/div&gt;&lt;blockquote&gt;
&lt;p&gt;&lt;strong&gt;Note:&lt;/strong&gt; The command &lt;code&gt;rpm-ostree override reset&lt;/code&gt; allows you to &lt;strong&gt;revert all overrides&lt;/strong&gt; and restore the system to its original state.&lt;/p&gt;
&lt;/blockquote&gt;
&lt;h2 id="replace-or-downgrade-the-kernel"&gt;Replace or downgrade the kernel
&lt;/h2&gt;&lt;p&gt;An alternative to the standard update process is to &lt;strong&gt;replace or downgrade the kernel&lt;/strong&gt; using the following command:&lt;/p&gt;
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&lt;pre tabindex="0" class="chroma"&gt;&lt;code class="language-bash" data-lang="bash"&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;sudo rpm-ostree override replace &amp;lt;http or &lt;span class="nb"&gt;local&lt;/span&gt; file paths of kernel packages&amp;gt;
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&lt;/div&gt;&lt;p&gt;For example, you can replace a kernel from a specific build server like this:&lt;/p&gt;
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&lt;pre tabindex="0" class="chroma"&gt;&lt;code class="language-bash" data-lang="bash"&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;sudo rpm-ostree override replace https://koji.fedoraproject.org/koji/buildinfo?buildID&lt;span class="o"&gt;=&lt;/span&gt;&lt;span class="m"&gt;2667987&lt;/span&gt;
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&lt;/div&gt;&lt;hr&gt;
&lt;h2 id="reset-the-override"&gt;Reset the override
&lt;/h2&gt;&lt;p&gt;Once the required fix has been landed in the official repository, you can reset the changes to the kernel with the following command:&lt;/p&gt;
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&lt;pre tabindex="0" class="chroma"&gt;&lt;code class="language-bash" data-lang="bash"&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;sudo rpm-ostree override reset &amp;lt;kernel packages that have been overridden&amp;gt;
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&lt;/div&gt;&lt;hr&gt;
&lt;h2 id="example-kernel-downgrade"&gt;Example: Kernel downgrade
&lt;/h2&gt;&lt;p&gt;In this example, the kernel was downgraded from version &lt;strong&gt;6.13.8-200.fc41&lt;/strong&gt; to &lt;strong&gt;6.13.5-200.fc41&lt;/strong&gt;. The affected packages are:&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;kernel&lt;/li&gt;
&lt;li&gt;kernel-core&lt;/li&gt;
&lt;li&gt;kernel-modules&lt;/li&gt;
&lt;li&gt;kernel-modules-core&lt;/li&gt;
&lt;li&gt;kernel-modules-extra&lt;/li&gt;
&lt;li&gt;kernel-tools&lt;/li&gt;
&lt;li&gt;kernel-tools-libs&lt;/li&gt;
&lt;li&gt;python3-perf&lt;/li&gt;
&lt;/ul&gt;
&lt;p&gt;Command used:&lt;/p&gt;
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&lt;pre tabindex="0" class="chroma"&gt;&lt;code class="language-bash" data-lang="bash"&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;sudo rpm-ostree override replace https://koji.fedoraproject.org/koji/buildinfo?buildID&lt;span class="o"&gt;=&lt;/span&gt;&lt;span class="m"&gt;2693823&lt;/span&gt;
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&lt;/div&gt;&lt;p&gt;To undo all changes, you can use the following command:&lt;/p&gt;
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&lt;pre tabindex="0" class="chroma"&gt;&lt;code class="language-bash" data-lang="bash"&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;sudo rpm-ostree override reset
&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;
&lt;/div&gt;
&lt;/div&gt;&lt;h2 id="useful-tips"&gt;Useful tips
&lt;/h2&gt;&lt;ul&gt;
&lt;li&gt;&lt;strong&gt;Rollback:&lt;/strong&gt; If a previous deployment was working correctly, you can easily roll back to that state without manually modifying packages.&lt;/li&gt;
&lt;li&gt;&lt;strong&gt;Reset overrides:&lt;/strong&gt; The command &lt;code&gt;rpm-ostree override reset&lt;/code&gt; resets all changes made to system packages. This is useful for returning the system to a clean state.&lt;/li&gt;
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