深度操作系统 Deepin V23 安装最新的 linux 内核
#!/usr/bin/env bash
###
# Upgrade Linux Kernel
#
###
##
# 最新代码位于:https://jihulab.com/-/snippets/2310
##
check_apt() {
command -v apt > /dev/null 2>&1
}
install_deps() {
apt -y install
libncurses5-dev
openssl
libssl-dev
build-essential
openssl
pkg-config
libc6-dev
bison
libidn11-dev
libidn11
minizip
flex
libelf-dev #
# zlibc
}
upgrade() {
pushd "./linux-${VERSION}" > /dev/null 2>&1 || exit 1
make clean
time make mrproper
printf ":::::::make mrproper:::::::
"
cp "/boot/config-${CURRENT_KERNEL}" "./.config"
time make menuconfig
# Load -> (.config) OK -> SAVE -> (.config) OK -> EXIT
# 选择(使用 Tab 键): 选择 Load -> 回车 -> 回车 -> 选择 Exit -> 回车 -> 回车
printf ":::::::make menuconfig::::::::
"
time make bzImage -j${CPU_COUNT}
printf ":::::::make bzImage::::::::
"
time make modules -j${CPU_COUNT}
printf ":::::::make module::::::::
"
time make INSTALL_MOD_STRIP=1 modules_install
printf ":::::::install module::::::::
"
time mkinitramfs "/lib/modules/${TARGET_KERNEL}" -o "/boot/initrd.img-${TARGET_KERNEL}"
printf ":::::::mkinitramfs kernel::::::::
"
cp "arch/x86/boot/bzImage" "/boot/vmlinuz-${TARGET_KERNEL}"
cp "System.map" "/boot/System.map-${TARGET_KERNEL}"
update-grub2
popd > /dev/null 2>&1 || exit 1
}
main() {
set -e
if ! check_apt; then
printf "only apt package manager is supported
"
exit 1
fi
VERSION="${1}"
# check kernel version
if [[ -z "${VERSION}" ]]; then
printf "please enter kernel version
"
exit 1
fi
printf "will install linux kernel %s
" "${VERSION}"
if [[ ! -d "linux-${VERSION}" ]]; then
# download kernel package
if [[ ! -f "linux-${VERSION}.tar.gz" ]]; then
VER_FIRST=$(echo ${VERSION} | cut -d '.' -f 1)
wget -O "linux-${VERSION}.tar.gz" "https://mirrors.aliyun.com/linux-kernel/v${VER_FIRST}.x/linux-${VERSION}.tar.gz"
printf "download kernel %s from aliyun mirror
" "${VERSION}"
fi
if [[ ! -f "linux-${VERSION}.tar.gz" ]]; then
printf "no found kernel package file 'linux-%s.tar.gz'.
" "${VERSION}"
exit 1
fi
tar -zxf "linux-${VERSION}.tar.gz"
fi
if [[ ! -d "linux-${VERSION}" ]]; then
printf "no found folder 'linux-%s'.
" "${VERSION}"
exit 1
fi
install_deps || exit 1
CURRENT_KERNEL=$(uname -r)
TARGET_KERNEL="${VERSION}-${CURRENT_KERNEL#*-}"
printf "
Current: %s ==> Target: %s
" "${CURRENT_KERNEL}" "${TARGET_KERNEL}"
CPU_COUNT=$(cat /proc/cpuinfo| grep "processor"| wc -l)
upgrade 2>&1 | tee ./kernel.log
}
main "$@" || exit 1
脚本已托管至 JihuLab Git 平台:https://jihulab.com/-/snippets/2310
升级 Linux 内核到指定的版本
// 定义语法为 bash
#!/usr/bin/env bash
// 判断是否为 apt 包管理器
check_apt() {
command -v apt > /dev/null 2>&1
}
// 安装依赖库
install_deps() {
apt -y install
libncurses5-dev
openssl
libssl-dev
build-essential
openssl
pkg-config
libc6-dev
bison
libidn11-dev
libidn11
minizip
flex
libelf-dev #
# zlibc
}
// 升级内核的函数
upgrade() {
// 进入内核源码的文件夹,失败则退出
pushd "./linux-${VERSION}" > /dev/null 2>&1 || exit 1
// 清理上次编译的残留文件
make clean
// 在相关命令行前面添加 time,可以统计编译时长
// 删除不必要的文件和目录
time make mrproper
printf ":::::::make mrproper:::::::
"
// 复制当前内核的配置信息到当前目录,并命名为 .config
cp "/boot/config-${CURRENT_KERNEL}" "./.config"
// 基于文本选单的配置界面,对应的还有 make config 传统的配置方式
time make menuconfig
// UI 界面按顺序选择及确定
# Load -> (.config) OK -> Save -> (.config) OK -> Exit
# 选择(使用 Tab 键): Load -> 回车 -> 回车 -> 选择 Exit -> 回车 -> 回车
printf ":::::::make menuconfig::::::::
"
// 编译内核 -j16 不使用多线程进行加速编译
time make bzImage -j${CPU_COUNT}
printf ":::::::make bzImage::::::::
"
// 编译模块
time make modules -j${CPU_COUNT}
printf ":::::::make module::::::::
"
// 安装模块
time make INSTALL_MOD_STRIP=1 modules_install
printf ":::::::install module::::::::
"
// 打包新内核对应的 .ko 驱动到 initrd.img 文件
time mkinitramfs "/lib/modules/${TARGET_KERNEL}" -o "/boot/initrd.img-${TARGET_KERNEL}"
printf ":::::::mkinitramfs kernel::::::::
"
// 内核镜像文件 bzImage 和内核符号表文件 System.map 拷贝到/boot/
cp "arch/x86/boot/bzImage" "/boot/vmlinuz-${TARGET_KERNEL}"
cp "System.map" "/boot/System.map-${TARGET_KERNEL}"
// 更新内核
update-grub2
// 退出当前目录
popd > /dev/null 2>&1 || exit 1
}
// 入口函数
main() {
// 遇到错误退出脚本
set -e
// 判断是否为 apt 包安装器,当前只支持 apt 包管理器
if ! check_apt; then
printf "only apt package manager is supported
"
exit 1
fi
// 第一个参数为内核版本号
VERSION="${1}"
// 判断版本号的参数是否存在
if [[ -z "${VERSION}" ]]; then
printf "please enter kernel version
"
exit 1
fi
printf "will install linux kernel %s
" "${VERSION}"
// 判断是否已存在内核源码的文件夹(防止上次安装出错后,又重新下载和解压内核源码包)
if [[ ! -d "linux-${VERSION}" ]]; then
// 若不存在内核源码目录,则判断是否存在内核源码压缩包
if [[ ! -f "linux-${VERSION}.tar.gz" ]]; then
// 提取版本的大版本号,供下载地址使用
VER_FIRST=$(echo ${VERSION} | cut -d '.' -f 1)
// 从阿里云镜像下载源码包
wget -O "linux-${VERSION}.tar.gz" "https://mirrors.aliyun.com/linux-kernel/v${VER_FIRST}.x/linux-${VERSION}.tar.gz"
printf "download kernel %s from aliyun mirror
" "${VERSION}"
fi
// 再次判断是否存在源码包。即,上次或上一步下载的源码包是否保存
if [[ ! -f "linux-${VERSION}.tar.gz" ]]; then
printf "no found kernel package file 'linux-%s.tar.gz'.
" "${VERSION}"
exit 1
fi
// 解压源码包
tar -zxf "linux-${VERSION}.tar.gz"
fi
// 再次判断是否存在内核源码的文件夹
if [[ ! -d "linux-${VERSION}" ]]; then
printf "no found folder 'linux-%s'.
" "${VERSION}"
exit 1
fi
// 安装相关依赖,失败则退出
install_deps || exit 1
// 获取当前内核名称
CURRENT_KERNEL=$(uname -r)
// 将升级的目标内核名称
TARGET_KERNEL="${VERSION}-${CURRENT_KERNEL#*-}"
printf "
Current: %s ==> Target: %s
" "${CURRENT_KERNEL}" "${TARGET_KERNEL}"
// 获取逻辑 CPU 个数,以便编译加速
CPU_COUNT=$(cat /proc/cpuinfo| grep "processor"| wc -l)
// 执行升级,并将升级的日志保存到 kernel.log
upgrade 2>&1 | tee ./kernel.log
}
// 调用入口函数,$@ 传入所有参数,若出错则退出
main "$@" || exit 1
页面更新:2024-05-05
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