How to blacklist a Kernel Module in CentOS

How to blacklist a Kernel Module in CentOS

How to blacklist a Kernel Module in CentOS are an important piece of knowledge for the sysadmin. In Centos Linux, the preventing a kernel module from loading during boot is also called blacklisting. We Add the module name into the blacklist file. We must remove the module from THE/ETC/MODPROBE.D,/etc/modprobe.conf,/etc/rc.modules and the/etc/sysconfig/modules/* F older. For each respective Red Hat versions, you must execute the following commands:

Blacklisting Centos 5 and 6 kernel module

ADD the kernel module to is blacklisted into the blacklist.conf file. DO:

echo "blacklist the_module name" >>/etc/modprobe.d/blacklist.conf

As an example:

echo "Blacklist qlgc-5.8 >>/etc/modprobe.d/blacklist.conf

If The module is blacklisting is a dependency of another module, the blacklsting would fail. It'll be loaded.

Blacklisting a Centos 4 kernel module

# echo "Alias <module-name> off" >>/etc/modprobe.conf

If you want to remove the module for testing purposes or temporarily, you can remove the already loaded module by

Running

# modprobe-r Module_name_goes_here

Ie.

# modprobe-r QLGC

This article from "Vincent" blog, declined reprint!

How to blacklist a Kernel Module in CentOS