LinuxQuestions.org - [SOLVED] Why module can't loaded?

- Linux - Server (https://www.linuxquestions.org/questions/linux-server-73/)

- - Why module can't loaded? (https://www.linuxquestions.org/questions/linux-server-73/why-module-cant-loaded-4175616698/)

Why module can't loaded?

OS :centos 7

Code:

yum install -y ipset

ipset create vader hash:ip  

ipset v6.29: Kernel error received: Operation not permitted

iptables -I INPUT -m set --match-set vader src -j DROP 

iptables v1.4.21: Kernel module xt_set is not loaded in.

No module in my centos.

Code:

lsmod 

Module                  Size  Used by

cat /proc/modules

nothing as output

Module can't be installed.

Code:

modprobe  xt_set

lsmod

Module                  Size  Used by

Nothing as output

How to add module for my centos ,and how to make ipset run for me?

Have a look at the modules under /usr/src/modules or /lib/modules.

ls /usr/src/modules
ls: cannot access /usr/src/modules: No such file or directory
ls /lib/modules
ls: cannot access /lib/modules: No such file or directory

Can you install the kernel sources?
And compile the kernel with the modules yourself?

The centos is on my vps ,how to compile the kernel with the modules myself?

1. Install kernel sources.
2. Open a terminal
3. Login as root
4. "make menuconfig"
5. Select all nessecary options - help is availale. You can also ask here. Search in Internet for more specific howtos to configure the kernel
6. Install the kernel and the modules. "make install"

1.install kernel sources

Code:

sudo yum install rpm-build redhat-rpm-config asciidoc hmaccalc perl-ExtUtils-Embed pesign xmlto

yum install -y  gcc

yum install -y  bc 

yum install -y  python-devel

yum install -y  newt-devel

yum install -y  elfutils-devel

yum install -y  zlib-devel

yum install -y  binutils-devel

yum install -y  bison  

yum install -y  audit-libs-devel

yum install -y  numactl-devel

yum install -y  pciutils-devel

yum install -y  gettext

yum install -y  ncurses-devel

rpmbuild -bp --target=$(uname -m) kernel.spec

mkdir -p ~/rpmbuild/{BUILD,BUILDROOT,RPMS,SOURCES,SPECS,SRPMS}

echo '%_topdir %(echo $HOME)/rpmbuild' > ~/.rpmmacros

cat /etc/redhat-release

7.2.1511

wget  http://vault.centos.org/7.2.1511/updates/Source/SPackages/kernel-3.10.0-327.36.3.el7.src.rpm

rpm -i kernel-3.10.0-327.36.3.el7.src.rpm  2>&1 | grep -v exist

cd ~/rpmbuild/SPECS

rpmbuild -bp --target=$(uname -m) kernel.spec

To reboot my vps.

2. Open a terminal
3. Login as root

4. make menuconfig
make: *** No rule to make target `menuconfig'. Stop.

How to do then?

4. make menuconfig

before you can make this, you must change the directory.
cd /usr/src/linux

cd /usr/src/linux
-bash: cd: /usr/src/linux: No such file or directory
ls /usr/src
debug kernels
cd /usr/src/debug
make menuconfig
make: *** No rule to make target `menuconfig'. Stop.
cd /usr/src/kernels
make menuconfig
make: *** No rule to make target `menuconfig'. Stop.

Can you post the content of the directory /usr/src ?

tree /usr/src
/usr/src
├── debug
└── kernels

It is nessecary to install the kernel source.

And read some information about configuring the kernel, e.g.: http://how-to.wikia.com/wiki/How_to_...e_Linux_kernel
or use google to find some information about that.

[root@localhost ~]# ls rpmbuild/SOURCES
centos.cer kernel-3.10.0-s390x-debug.config
centos-kpatch.x509 kernel-3.10.0-s390x-kdump.config
centos-ldup.x509 kernel-3.10.0-x86_64.config
check-kabi kernel-3.10.0-x86_64-debug.config
cpupower.config kernel-abi-whitelists-327.tar.bz2
cpupower.service linux-3.10.0-327.36.3.el7.tar.xz
debrand-rh-i686-cpu.patch linux-kernel-test.patch
debrand-rh_taint.patch Makefile.common
debrand-single-cpu.patch Module.kabi_ppc64
extra_certificates Module.kabi_ppc64le
kernel-3.10.0-ppc64.config Module.kabi_s390x
kernel-3.10.0-ppc64-debug.config Module.kabi_x86_64
kernel-3.10.0-ppc64le.config secureboot.cer
kernel-3.10.0-ppc64le-debug.config sign-modules
kernel-3.10.0-s390x.config x509.genkey

How to do then ?

You have to configure the kernel.

This is done by checking the processor architecture.
And the pci-e bus by lspci-v.