Linux内核是Linux操作系统的核心。它负责管理系统硬件和软件之间的通信，并提供允许应用程序访问系统资源的接口。升级到最新版本的 Linux 内核是保持 CentOS Stream 系统最新和安全的重要一步。
在 CentOS 6 流上安装 Linux 内核 9.x
第 1 步。首先，让我们首先确保您的系统是最新的。
<span class="pln">sudo dnf clean all sudo dnf update</span>
第 2 步。检查您的内核。
通过运行以下命令检查当前内核版本：
<span class="pln">uname </span><span class="pun">-</span><span class="pln">r</span>
第 3 步。启用 ELRepo。
在更新内核之前，请使用以下命令导入公钥并安装 ELRepo RPM 软件包：
<span class="pln">rpm </span><span class="pun">--</span><span class="kwd">import</span><span class="pln"> https</span><span class="pun">:</span><span class="com">//www.elrepo.org/RPM-GPG-KEY-elrepo.org</span><span class="pln"> dnf install https</span><span class="pun">:</span><span class="com">//www.elrepo.org/elrepo-release-9.el9.elrepo.noarch.rpm</span>
完成后，运行以下命令以列出可用的内核相关包：
<span class="pln">dnf </span><span class="pun">--</span><span class="pln">disablerepo</span><span class="pun">=</span><span class="str">"*"</span> <span class="pun">--</span><span class="pln">enablerepo</span><span class="pun">=</span><span class="str">"elrepo-kernel"</span><span class="pln"> list available</span>
输出：
<span class="typ">Available</span> <span class="typ">Packages</span><span class="pln"> bpftool</span><span class="pun">.</span><span class="pln">x86_64 </span><span class="lit">6.1</span><span class="pun">.</span><span class="lit">7</span><span class="pun">-</span><span class="lit">1.el9.elrepo</span><span class="pln"> elrepo</span><span class="pun">-</span><span class="pln">kernel kernel</span><span class="pun">-</span><span class="pln">ml</span><span class="pun">.</span><span class="pln">x86_64 </span><span class="lit">6.1</span><span class="pun">.</span><span class="lit">7</span><span class="pun">-</span><span class="lit">1.el9.elrepo</span><span class="pln"> elrepo</span><span class="pun">-</span><span class="pln">kernel kernel</span><span class="pun">-</span><span class="pln">ml</span><span class="pun">-</span><span class="pln">core</span><span class="pun">.</span><span class="pln">x86_64 </span><span class="lit">6.1</span><span class="pun">.</span><span class="lit">7</span><span class="pun">-</span><span class="lit">1.el9.elrepo</span><span class="pln"> elrepo</span><span class="pun">-</span><span class="pln">kernel kernel</span><span class="pun">-</span><span class="pln">ml</span><span class="pun">-</span><span class="pln">devel</span><span class="pun">.</span><span class="pln">x86_64 </span><span class="lit">6.1</span><span class="pun">.</span><span class="lit">7</span><span class="pun">-</span><span class="lit">1.el9.elrepo</span><span class="pln"> elrepo</span><span class="pun">-</span><span class="pln">kernel kernel</span><span class="pun">-</span><span class="pln">ml</span><span class="pun">-</span><span class="pln">devel</span><span class="pun">-</span><span class="pln">matched</span><span class="pun">.</span><span class="pln">x86_64 </span><span class="lit">6.1</span><span class="pun">.</span><span class="lit">7</span><span class="pun">-</span><span class="lit">1.el9.elrepo</span><span class="pln"> elrepo</span><span class="pun">-</span><span class="pln">kernel kernel</span><span class="pun">-</span><span class="pln">ml</span><span class="pun">-</span><span class="pln">doc</span><span class="pun">.</span><span class="pln">noarch </span><span class="lit">6.1</span><span class="pun">.</span><span class="lit">7</span><span class="pun">-</span><span class="lit">1.el9.elrepo</span><span class="pln"> elrepo</span><span class="pun">-</span><span class="pln">kernel kernel</span><span class="pun">-</span><span class="pln">ml</span><span class="pun">-</span><span class="pln">headers</span><span class="pun">.</span><span class="pln">x86_64 </span><span class="lit">6.1</span><span class="pun">.</span><span class="lit">7</span><span class="pun">-</span><span class="lit">1.el9.elrepo</span><span class="pln"> elrepo</span><span class="pun">-</span><span class="pln">kernel kernel</span><span class="pun">-</span><span class="pln">ml</span><span class="pun">-</span><span class="pln">modules</span><span class="pun">.</span><span class="pln">x86_64 </span><span class="lit">6.1</span><span class="pun">.</span><span class="lit">7</span><span class="pun">-</span><span class="lit">1.el9.elrepo</span><span class="pln"> elrepo</span><span class="pun">-</span><span class="pln">kernel kernel</span><span class="pun">-</span><span class="pln">ml</span><span class="pun">-</span><span class="pln">modules</span><span class="pun">-</span><span class="pln">extra</span><span class="pun">.</span><span class="pln">x86_64 </span><span class="lit">6.1</span><span class="pun">.</span><span class="lit">7</span><span class="pun">-</span><span class="lit">1.el9.elrepo</span><span class="pln"> elrepo</span><span class="pun">-</span><span class="pln">kernel kernel</span><span class="pun">-</span><span class="pln">ml</span><span class="pun">-</span><span class="pln">tools</span><span class="pun">.</span><span class="pln">x86_64 </span><span class="lit">6.1</span><span class="pun">.</span><span class="lit">7</span><span class="pun">-</span><span class="lit">1.el9.elrepo</span><span class="pln"> elrepo</span><span class="pun">-</span><span class="pln">kernel kernel</span><span class="pun">-</span><span class="pln">ml</span><span class="pun">-</span><span class="pln">tools</span><span class="pun">-</span><span class="pln">libs</span><span class="pun">.</span><span class="pln">x86_64 </span><span class="lit">6.1</span><span class="pun">.</span><span class="lit">7</span><span class="pun">-</span><span class="lit">1.el9.elrepo</span><span class="pln"> elrepo</span><span class="pun">-</span><span class="pln">kernel kernel</span><span class="pun">-</span><span class="pln">ml</span><span class="pun">-</span><span class="pln">tools</span><span class="pun">-</span><span class="pln">libs</span><span class="pun">-</span><span class="pln">devel</span><span class="pun">.</span><span class="pln">x86_64 </span><span class="lit">6.1</span><span class="pun">.</span><span class="lit">7</span><span class="pun">-</span><span class="lit">1.el9.elrepo</span><span class="pln"> elrepo</span><span class="pun">-</span><span class="pln">kernel perf</span><span class="pun">.</span><span class="pln">x86_64 </span><span class="lit">6.1</span><span class="pun">.</span><span class="lit">7</span><span class="pun">-</span><span class="lit">1.el9.elrepo</span><span class="pln"> elrepo</span><span class="pun">-</span><span class="pln">kernel python3</span><span class="pun">-</span><span class="pln">perf</span><span class="pun">.</span><span class="pln">x86_64 </span><span class="lit">6.1</span><span class="pun">.</span><span class="lit">7</span><span class="pun">-</span><span class="lit">1.el9.elrepo</span><span class="pln"> elrepo</span><span class="pun">-</span><span class="pln">kernel</span>
第 4 步。在 CentOS 6 流上安装 Linux 内核 9.x。
现在运行以下命令，将最新的主线稳定内核安装到 CentOS 流系统：
<span class="pln">dnf </span><span class="pun">--</span><span class="pln">enablerepo</span><span class="pun">=</span><span class="pln">elrepo</span><span class="pun">-</span><span class="pln">kernel install kernel</span><span class="pun">-</span><span class="pln">ml</span>
重新启动系统以应用更改，并通过再次运行命令 “” 来检查新的内核版本：uname -r
<span class="pln">uname </span><span class="pun">-</span><span class="pln">r</span>
输出：
<span class="pun">[</span><span class="pln">root@idroot</span><span class="pun">.</span><span class="pln">us </span><span class="pun">~]#</span><span class="pln"> uname </span><span class="pun">-</span><span class="pln">sr </span><span class="typ">Linux</span> <span class="lit">6.1</span><span class="pun">.</span><span class="lit">7</span><span class="pun">-</span><span class="lit">1.el9.elrepo</span><span class="pun">.</span><span class="pln">x86_64</span>
感謝你使用這本教鬆在 CentOS 6 Stream 上安裝 Linux Kernel 9.x。有关其他帮助或有用信息，我们建议您查看 Linux 内核官方网站。
