How to Upgrade ubuntu14.04 kernel？

查看内核

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1. $ uname -rs  

下载内核

http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.4.40/  下载内核升级文件

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1.   

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1. linux-headers-4.4.40-040440_4.4.40-040440.201701060808_all   
2. linux-image-4.4.40-040440-generic_4.4.40-040440.201701060808_amd64   
3. linux-headers-4.4.40-040440-generic_4.4.40-040440.201701060808_amd64  

安装内核

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1. $ sudo dpkg -i  \  
2. linux-headers-4.4.40-040440_4.4.40-040440.201701060808_all \  
3. linux-image-4.4.40-040440-generic_4.4.40-040440.201701060808_amd64 \  
4. linux-headers-4.4.40-040440-generic_4.4.40-040440.201701060808_amd64  

更新引导

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1. $ sudo update-grub  

重启

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1. $ sudo reboot  

验证是否安装成功

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1. $ uname -r  

查看目前已安装内核版本

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1. $ sudo dpkg --get-selections |grep linux  

删除多余内核