ubuntu20.04更新内核

最新推荐文章于 2025-06-16 17:51:28 发布

原创最新推荐文章于 2025-06-16 17:51:28 发布 · 3.2k 阅读

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这篇博客介绍了如何更换Ubuntu系统的软件源为清华源以加速更新，并详细阐述了安装flex、bison、libelf-dev等软件包，以及编译和安装Linux内核5.4.0的步骤，包括make、make modules_install和make install等操作。

//更换清华源
apt install vim
vim /etc/apt/sources.list

//----------------------------------------------------------------------------
   # 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释
   deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse
   # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse
   deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiverse
   # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiverse
   deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse
   # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse
   deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted universe multiverse
   # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted universe multiverse

   # 预发布软件源，不建议启用
   # deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse
   # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse

//-------------------------------------------------------------------------------------------

apt update

   apt install flex bison libelf-dev libssl-dev make build-essential kernel-package libncurses5-dev qt5-default dwarves

   apt install linux-source
   cd /usr/src/linux-source-5.4.0
   tar xvzf linux-source-5.4.0.tar.bz2
   cd linux-source-5.4.0
   make mrproper
   cp /boot/config-5.4.0-109-generic ./.config
   make -j16
   make modules -j16
   如果报错如下：
       make[1]: *** No rule to make target 'debian/canonical-revoked-certs.pem', needed by 'certs/x509_revocation_list'. Stop.
       make: *** [Makefile:1868: certs] Error 2
       在命令行中执行：scripts/config --disable SYSTEM_REVOCATION_KEYS
   make modules_install //拷贝modules到 /lib/modules/5.4.192
   make bzImage
   make install //安装内核到/boot目录
   update-grub
   reboot
   开机按住shift，选择新内核