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Utility Services Release 7.1.3 includes the Red Hat updates to support mitigation of the Meltdown and Spectre vulnerabilities. However, this can affect the performance of Utility Services. So, a script kernel_opts.sh is introduced that allows the setting of kernel options to control how these vulnerabilities are handled. The effect of running the kernel configuration script is immediate and will continue across reboots. You can run the script as an admin user by using the CLI.
The script has the following arguments:
status — Displays the current status of the kernel options.
enable — Enables all flags to provide maximum protection.
disable — Disables all flags to provide maximum performance.