Solution if a message indicating unknown kernel is prompted during the installation of the multipathing software because the operating system version of the Linux host is different from the kernel version

Solution if a message indicating unknown kernel is prompted during the installation of the multipathing software because the operating system version of the Linux host is different from the kernel version:
When you install the multipathing software, if the kernel version of the software package is different from the operating system version, a message indicating unknown kernel will be prompted.
1. Run cat cat /etc/xxx-release (xxx indicates the name of the Linux distribution, for example, Red Hat or SUSE) to check the operating system version.
# cat /etc/redhat-release
Red Hat Enterprise Linux AS release 4 (Nahant Update 7)
2. Run uname -a to query the kernel version of the Linux operating system.
# uname -a
Linux ctucipjrlx007 2.6.9-78.ELsmp #1 SMP Sat Nov 26 08:44:12 CST 2011 i686 i686 i386 GNU/Linux
3. Check whether the operating system version is different from the kernel version.
4. If the operating system version is different from the kernel version, change the operating system version in /etc/xxx-release to the version in table 1 and reinstall the multipathing software.

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