CentOS 7 – Your kernel headers for kernel cannot be found at – missing kernel-devel

Getting the following error may be deceiving:

Error! echo
Your kernel headers for kernel 3.10.0-1062.1.1.el7.x86_64 cannot be found at
/lib/modules/3.10.0-1062.1.1.el7.x86_64/build or /lib/modules/3.10.0-1062.1.1.el7.x86_64/source.

Because you may have already installed the kernel-headers package for the current kernel and still to get the same error. So what is missing?

In fact, the kernel headers for compiling a kernel module is in kernel-devel package.

[root@localhost ~]# yum install kernel-devel
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * base: mirror.wwfx.net
 * extras: mirror.wwfx.net
 * updates: mirror.wwfx.net
Resolving Dependencies
--> Running transaction check
---> Package kernel-devel.x86_64 0:3.10.0-1062.1.1.el7 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

============================================================================================================================================================================
 Package                                   Arch                                Version                                           Repository                            Size
============================================================================================================================================================================
Installing:
 kernel-devel                              x86_64                              3.10.0-1062.1.1.el7                               updates                               18 M

Transaction Summary
============================================================================================================================================================================
Install  1 Package

Total download size: 18 M
Installed size: 38 M
Is this ok [y/d/N]: y
Downloading packages:
Delta RPMs disabled because /usr/bin/applydeltarpm not installed.
kernel-devel-3.10.0-1062.1.1.el7.x86_64.rpm                                                                                                          |  18 MB  00:00:02     
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Installing : kernel-devel-3.10.0-1062.1.1.el7.x86_64                                                                                                                  1/1 
  Verifying  : kernel-devel-3.10.0-1062.1.1.el7.x86_64                                                                                                                  1/1 

Installed:
  kernel-devel.x86_64 0:3.10.0-1062.1.1.el7                                                                                                                                 

Complete!

If you have used other Linux distribution the “kernel headers”/”linux headers” package just means what it is named. In the CentOS 7 world there are two packages:

[root@localhost ~]# yum info kernel-devel
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * base: mirror.wwfx.net
 * extras: mirror.wwfx.net
 * updates: mirror.wwfx.net
Installed Packages
Name        : kernel-devel
Arch        : x86_64
Version     : 3.10.0
Release     : 1062.1.1.el7
Size        : 38 M
Repo        : installed
From repo   : updates
Summary     : Development package for building kernel modules to match the kernel
URL         : http://www.kernel.org/
License     : GPLv2
Description : This package provides kernel headers and makefiles sufficient to build modules
            : against the kernel package.

[root@localhost ~]# yum info kernel-headers
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * base: mirror.wwfx.net
 * epel: mirrors.neterra.net
 * extras: mirror.wwfx.net
 * updates: mirror.wwfx.net
Installed Packages
Name        : kernel-headers
Arch        : x86_64
Version     : 3.10.0
Release     : 1062.1.1.el7
Size        : 3.7 M
Repo        : installed
From repo   : updates
Summary     : Header files for the Linux kernel for use by glibc
URL         : http://www.kernel.org/
License     : GPLv2
Description : Kernel-headers includes the C header files that specify the interface
            : between the Linux kernel and userspace libraries and programs.  The
            : header files define structures and constants that are needed for
            : building most standard programs and are also needed for rebuilding the
            : glibc package.

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