======Persistent modules loading in CentOS 7======
  * Create a file in /etc/sysconfig/modules and call it with the extension  .modules
  * Make it executable

Example 1:
<code - /etc/sysconfig/modules/ipmi.modules>
#!/bin/sh

if [ ! -c /dev/ipmi0 ] ; then
  exec /sbin/modprobe ipmi_si >/dev/null 2>&1
fi
</code>
Example 2:
<code - /etc/sysconfig/modules/scsi.modules>
#!/bin/sh

if [ ! -c /dev/sg0 ] ; then
  exec /sbin/modprobe sg >/dev/null 2>&1
fi
</code>
{{tag>centos}}