2-2강의 듣기전에 이미 npm은 설치 했습니다 yarn 설치과정에서 에러가 뜨는거같은데요 앞에 sudo 를 넣고 설치해도 안되는거같습니다 제가 뭘 잘못 한건가요 ??

mac ~ % npm install -g yarn

npm ERR! code EACCES

npm ERR! syscall rename

npm ERR! path /usr/local/lib/node_modules/yarn

npm ERR! dest /usr/local/lib/node_modules/.yarn-Jrexx8nI

npm ERR! errno -13

npm ERR! Error: EACCES: permission denied, rename '/usr/local/lib/node_modules/yarn' -> '/usr/local/lib/node_modules/.yarn-Jrexx8nI'

npm ERR! [Error: EACCES: permission denied, rename '/usr/local/lib/node_modules/yarn' -> '/usr/local/lib/node_modules/.yarn-Jrexx8nI'] {

npm ERR!  errno: -13,

npm ERR!  code: 'EACCES',

npm ERR!  syscall: 'rename',

npm ERR!  path: '/usr/local/lib/node_modules/yarn',

npm ERR!  dest: '/usr/local/lib/node_modules/.yarn-Jrexx8nI'

npm ERR! }

npm ERR! 

npm ERR! The operation was rejected by your operating system.

npm ERR! It is likely you do not have the permissions to access this file as the current user

npm ERR! 

npm ERR! If you believe this might be a permissions issue, please double-check the

npm ERR! permissions of the file and its containing directories, or try running

npm ERR! the command again as root/Administrator.

npm ERR! A complete log of this run can be found in:

npm ERR!   /Users/imjaehun/.npm/_logs/2022-10-08T05_08_35_097Z-debug-0.log

mac ~ % sudo npm install -g yarn

Password:

changed 1 package, and audited 2 packages in 331ms

found 0 vulnerabilities

mac ~ %