this is not the right forum for your issue because it is not related to fuzzylite. However, you are still making the same mistake misspelling
performance. You are writing
perfromance!. Please, look at the difference. You:
You are doing:
sudo cpufreq-set -g perfromance
and it should be:
sudo cpufreq-set -g perfORmance (all in lower case).
If you still have issues, I suggest you look into google or another forum more appropriate for the issues you are experiencing.