25 lines
580 B
Bash
25 lines
580 B
Bash
#!/bin/bash
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set -euo pipefail
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yum install -y 1/*
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echo "当前系统安装的内核有:"
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awk -F\' '$1=="menuentry " {print i++ " : " $2}' /etc/grub2.cfg
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KERNEL_ID=$(awk -F\' '$1=="menuentry " {print i++ ": " $2}' /etc/grub2.cfg | grep 5.4 | awk -F : '{print $1}')
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echo "设置启动项为: $KERNEL_ID"
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grub2-set-default $KERNEL_ID
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## 生成grub配置
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grub2-mkconfig -o /boot/grub2/grub.cfg
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# # 更新kernel tools
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# yum remove -y kernel-tools-libs-3.10.0
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# yum remove -y kernel-tools-3.10.0
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# yum install -y 2/*
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# # 删除旧内核（可选）
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# yum remove -y kernel-3.10.0
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