安装远程软件rustdesk中报错 Error! Could not locate dkms.conf file. File: does not exist.

解决方法

省流：uname -r 查看当前内核，找到/usr/src/目录下的多余的内核文件，删除残留多余的内核文件

原因可能是当时安装nvidia显卡驱动的时候没删除掉旧的内核文件，某些模块或驱动程序可能与特定内核版本相关联，如果使用了不匹配的内核文件，可能会导致模块加载失败或功能异常。留下来的会影响软件程序的安装和编译。

报错截图

在这里插入图片描述

报错如下：

server@server-Super-Server:~/Downloads$ sudo apt-get install ./rustdesk-1.1.9.deb 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Note, selecting 'rustdesk' instead of './rustdesk-1.1.9.deb'
rustdesk is already the newest version (1.1.9).
The following packages were automatically installed and are no longer required:libjavascriptcoregtk-3.0-0 libwebkitgtk-3.0-0
Use 'sudo apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 365 not upgraded.
2 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] y
Setting up linux-headers-4.15.0-176-generic (4.15.0-176.185) ...
/etc/kernel/header_postinst.d/dkms:* dkms: running auto installation service for kernel 4.15.0-176-generic
Error! Could not locate dkms.conf file.
File:  does not exist....fail!
run-parts: /etc/kernel/header_postinst.d/dkms exited with return code 4
dpkg: error processing package linux-headers-4.15.0-176-generic (--configure):installed linux-headers-4.15.0-176-generic package post-installation script subprocess returned error exit status 1
dpkg: dependency problems prevent configuration of linux-headers-generic:linux-headers-generic depends on linux-headers-4.15.0-176-generic; however:Package linux-headers-4.15.0-176-generic is not configured yet.dpkg: error processing package linux-headers-generic (--configure):dependency problems - leaving unconfigured
No apport report written because the error message indicates its a followup error from a previous failure.Errors were encountered while processing:linux-headers-4.15.0-176-genericlinux-headers-generic
E: Sub-process /usr/bin/dpkg returned an error code (1)

报错指出是未定位到 DKMS（Dynamic Kernel Module Support）模块引起的，但是关键问题不是这里。

在 Linux 系统中，linux-headers-4.15.0-176-generic 是内核头文件的软件包，它通常用于开发和构建内核模块。这些头文件包含了内核接口的定义和其他必要的文件，以便与特定内核版本进行编译和链接。

uname -r 是一个用于在 Linux 系统中获取内核版本的命令，当年的内核版本是5.4.0-81-generic，4.15.0-176-generic是属于当时残留的内核文件

查看当前系统内核：

server@server-Super-Server:~/Downloads$ uname -r
5.4.0-81-generic

uname 是 "Unix Name" 的缩写，用于获取操作系统的信息。而 -r 选项表示获取内核的版本信息。
使用 uname -r 命令可以输出当前系统正在运行的内核版本号。
该版本号通常由一系列数字和字符组成，用于标识内核的具体版本和修订级别。了解内核版本对于了解系统的兼容性、功能支持以及安全更新等方面非常重要。