使用yum更新时不升级Linux内核的方法
<p style='margin: 0px; padding: 5px 0px; outline: none; font-size: 14px; line-height: 30px; font-family: tahoma, arial, "Microsoft YaHei";'>RedHat/CentOS/Fedora使用 yum update 更新时，默认会 升级内核 。但有些服务器硬件（特别是组装的机器）在升级内核后，新的内核可能会认不出某些硬件，要重新安装驱动，很麻烦。所以在生产环境中不要轻易的升级内核，除非你确定升级内核后不会出现麻烦的问题。</p>
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如果不想升级内核而只更新其他软件包，有两种方法：</p>
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1、修改yum的配置文件 vim /etc/yum.conf ，在 的最后添加 exclude=kernel*<br>
2、直接在yum的命令后面加上如下的参数：</p>
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<span><u>复制代码</u></span>
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代码如下:</p>
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yum –exclude=kernel* update</div>
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阿里云 CentOS 使用 yum update 命令不升级 内核 和 操作系统 的方法<br>
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<span><u>复制代码</u></span>
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代码如下:</p>
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vi /etc/yum.conf<br>
# 在 的最后添加：<br>
exclude=kernel*<br>
# 和<br>
exclude=centos-release*<br>
# 按 Esc 键，输入 :wq，然后回车<br>
# 大功告成！</div>
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<br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>最后总结：</span></p>
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在 /etc/yum.conf 的 后面添加以下配置即可！<br>
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<span><u>复制代码</u></span>
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代码如下:</p>
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exclude=kernel* <br>
exclude=centos-release*</div>
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