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45.2. Persistent Module Loading
Kernel modules are usually loaded directly by the facility that requires them, which is given correct settings in the
/etc/modprobe.conffile. However, it is sometimes necessary to explicitly force the loading of a module at boot time.
Red Hat Enterprise Linux checks for the existence of the
/etc/rc.modulesfile at boot time, which contains various commands to load modules. The
rc.modulesshould be used, and not
rc.modulesis executed earlier in the boot process.
For example, the following commands configure loading of the
foomodule at boot time (as root):
echo modprobe foo >> /etc/rc.modules
chmod +x /etc/rc.modules
This approach is not necessary for network and SCSI interfaces because they have their own specific mechanisms.