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- 查询目前已安装内核信息：
[root@localhost ~]# rpm -qa | grep kernel
kernel-modules-4.17.3-100.fc27.x86_64
kernel-modules-4.17.3-200.fc28.x86_64
kernel-core-4.14.11-300.fc27.x86_64
kernel-modules-extra-4.17.3-100.fc27.x86_64
kernel-core-4.17.3-200.fc28.x86_64
libreport-plugin-kerneloops-2.9.5-1.fc28.x86_64
kernel-4.17.3-100.fc27.x86_64
kernel-headers-4.17.3-200.fc28.x86_64
abrt-addon-kerneloops-2.10.10-1.fc28.x86_64
kernel-core-4.17.3-100.fc27.x86_64
kernel-modules-4.14.11-300.fc27.x86_64
kernel-modules-extra-4.14.11-300.fc27.x86_64
kernel-modules-extra-4.17.3-200.fc28.x86_64
kernel-4.14.11-300.fc27.x86_64
kernel-4.17.3-200.fc28.x86_64
- 查询当前正在运行的内核：
[root@localhost ~]# uname -r
4.17.3-200.fc28.x86_64- 删除旧内核：
[root@localhost ~]# dnf remove kernel-4.14.11-300.fc27.x86_64
Repository fzug-free is listed more than once in the configuration
Repository fzug-free-source is listed more than once in the configuration
Repository fzug-nonfree is listed more than once in the configuration
Repository fzug-nonfree-source is listed more than once in the configuration
Repository fzug-testing is listed more than once in the configuration
依赖关系解决。
================================================================================
软件包 架构 版本 仓库 大小
================================================================================
移除:
kernel x86_64 4.14.11-300.fc27 @updates 0
事务概要
================================================================================
移除 1 软件包
已释放的空间：0
确定吗？[y/N]：y
运行事务检查
事务检查成功。
运行事务测试
事务测试成功。
运行事务
准备中 : 1/1
删除 : kernel-4.14.11-300.fc27.x86_64 1/1
运行脚本: kernel-4.14.11-300.fc27.x86_64 1/1
验证 : kernel-4.14.11-300.fc27.x86_64 1/1
已移除:
kernel.x86_64 4.14.11-300.fc27
完毕！
[root@localhost ~]#
- 删除的内容需要小心，防止删错。fedora27有很多的内容可以删除。 再次检查删除的内容：
[root@localhost ~]# rpm -qa | grep kernel
kernel-modules-4.17.3-100.fc27.x86_64
kernel-modules-4.17.3-200.fc28.x86_64
kernel-core-4.14.11-300.fc27.x86_64
kernel-modules-extra-4.17.3-100.fc27.x86_64
kernel-core-4.17.3-200.fc28.x86_64
libreport-plugin-kerneloops-2.9.5-1.fc28.x86_64
kernel-4.17.3-100.fc27.x86_64
kernel-headers-4.17.3-200.fc28.x86_64
abrt-addon-kerneloops-2.10.10-1.fc28.x86_64
kernel-core-4.17.3-100.fc27.x86_64
kernel-modules-4.14.11-300.fc27.x86_64
kernel-modules-extra-4.14.11-300.fc27.x86_64
kernel-modules-extra-4.17.3-200.fc28.x86_64
kernel-4.17.3-200.fc28.x86_64
- 在删除核心内核时，会带有联动删除的功能：
[root@localhost ~]# dnf remove kernel-core-4.17.3-100.fc27.x86_64
Repository fzug-free is listed more than once in the configuration
Repository fzug-free-source is listed more than once in the configuration
Repository fzug-nonfree is listed more than once in the configuration
Repository fzug-nonfree-source is listed more than once in the configuration
Repository fzug-testing is listed more than once in the configuration
依赖关系解决。
================================================================================
软件包 架构 版本 仓库 大小
================================================================================
移除:
kernel-core x86_64 4.17.3-100.fc27 @updates 59 M
Removing dependent packages:
kernel x86_64 4.17.3-100.fc27 @updates 0
kernel-modules x86_64 4.17.3-100.fc27 @updates 27 M
kernel-modules-extra x86_64 4.17.3-100.fc27 @updates 2.1 M
事务概要
================================================================================
移除 4 软件包
已释放的空间：88 M
确定吗？[y/N]：y
运行事务检查
事务检查成功。
运行事务测试
事务测试成功。
运行事务
准备中 : 1/1
删除 : kernel-4.17.3-100.fc27.x86_64 1/4
运行脚本: kernel-4.17.3-100.fc27.x86_64 1/4
删除 : kernel-modules-extra-4.17.3-100.fc27.x86_64 2/4
运行脚本: kernel-modules-extra-4.17.3-100.fc27.x86_64 2/4
删除 : kernel-modules-4.17.3-100.fc27.x86_64 3/4
运行脚本: kernel-modules-4.17.3-100.fc27.x86_64 3/4
运行脚本: kernel-core-4.17.3-100.fc27.x86_64 4/4
删除 : kernel-core-4.17.3-100.fc27.x86_64 4/4
运行脚本: kernel-core-4.17.3-100.fc27.x86_64 4/4
验证 : kernel-core-4.17.3-100.fc27.x86_64 1/4
验证 : kernel-modules-4.17.3-100.fc27.x86_64 2/4
验证 : kernel-4.17.3-100.fc27.x86_64 3/4
验证 : kernel-modules-extra-4.17.3-100.fc27.x86_64 4/4
已移除:
kernel-core.x86_64 4.17.3-100.fc27
kernel.x86_64 4.17.3-100.fc27
kernel-modules.x86_64 4.17.3-100.fc27
kernel-modules-extra.x86_64 4.17.3-100.fc27
完毕！
[root@localhost ~]#
6.多次删除之后，最终结果如下，完全移除了fedora 27 的内核内容。
[root@localhost ~]# dnf remove kernel-core-4.14.11-300.fc27.x86_64
Repository fzug-free is listed more than once in the configuration
Repository fzug-free-source is listed more than once in the configuration
Repository fzug-nonfree is listed more than once in the configuration
Repository fzug-nonfree-source is listed more than once in the configuration
Repository fzug-testing is listed more than once in the configuration
依赖关系解决。
================================================================================
软件包 架构 版本 仓库 大小
================================================================================
移除:
kernel-core x86_64 4.14.11-300.fc27 @updates 57 M
Removing dependent packages:
kernel-modules x86_64 4.14.11-300.fc27 @updates 26 M
kernel-modules-extra x86_64 4.14.11-300.fc27 @updates 2.1 M
事务概要
================================================================================
移除 3 软件包
已释放的空间：85 M
确定吗？[y/N]：y
运行事务检查
事务检查成功。
运行事务测试
事务测试成功。
运行事务
准备中 : 1/1
删除 : kernel-modules-extra-4.14.11-300.fc27.x86_64 1/3
运行脚本: kernel-modules-extra-4.14.11-300.fc27.x86_64 1/3
删除 : kernel-modules-4.14.11-300.fc27.x86_64 2/3
运行脚本: kernel-modules-4.14.11-300.fc27.x86_64 2/3
运行脚本: kernel-core-4.14.11-300.fc27.x86_64 3/3
删除 : kernel-core-4.14.11-300.fc27.x86_64 3/3
运行脚本: kernel-core-4.14.11-300.fc27.x86_64 3/3
验证 : kernel-modules-4.14.11-300.fc27.x86_64 1/3
验证 : kernel-modules-extra-4.14.11-300.fc27.x86_64 2/3
验证 : kernel-core-4.14.11-300.fc27.x86_64 3/3
已移除:
kernel-core.x86_64 4.14.11-300.fc27
kernel-modules.x86_64 4.14.11-300.fc27
kernel-modules-extra.x86_64 4.14.11-300.fc27
完毕！
[root@localhost ~]# rpm -qa | grep kernel
kernel-modules-4.17.3-200.fc28.x86_64
kernel-core-4.17.3-200.fc28.x86_64
libreport-plugin-kerneloops-2.9.5-1.fc28.x86_64
kernel-headers-4.17.3-200.fc28.x86_64
abrt-addon-kerneloops-2.10.10-1.fc28.x86_64
kernel-modules-extra-4.17.3-200.fc28.x86_64
kernel-4.17.3-200.fc28.x86_64