Brew Update error after updating OS X El Capitan System Solution

Error Result:

bash-3.2# Brew Update

Error: Cowardly refusing to ' sudo brew update '

Solution:

The following can be done sequentially:

Ls-al ' which brew '

sudo chown root:wheel ' which brew '

sudo chown: ' Chown brew '

Execution Result:

bash-3.2#ls-al 'whichBrew '-rwxr-xr-x1Huanghonglin Admin791 Ten  -  the: $/usr/local/bin/Brewbash-3.2#sudo ChownRoot:wheel 'whichBrew ' bash-3.2#sudo Chown: `ChownBrew ' usage:Chown[-FHV] [-R [-H |-l |-p]] Owner[:group]file ...       Chown[-FHV] [-R [-H |-l |-p]]: groupfile.. usage:Chown[-FHV] [-R [-H |-l |-p]] Owner[:group]file ...       Chown[-FHV] [-R [-H |-l |-p]]: groupfile... bash-3.2# Brew updateupdated Homebrew from eabf890b to ec15ed4a.==>New formulaeappledoc postgrest walkmod Docker-machine-Parallels Unicorn==>Updated Formulaeappscale-tools docker-Machine Epubcheck Libressl sonar CAF Docker-swarm fzf logtalk sqlite cake elasticsearch git macvim d MD embulk JPEG-Turbo MonetDB Docker-compose entr kubernetes-CLI pyenv==>Renamed FormulaecyasslWolfssl

Brew Update error after updating OS X El Capitan System Solution