Error: EACCES: permission denied mkdir

近期在macos开发环境下使用npm，经常会出现无法mkdir，permission denied的问题，在windows下并没有遇到这种情况。

经查询需要在指令前使用sudo指令，例如：npm install your_module 改为sudonpm install your_module

下方是一个报错信息。

npmERR!path/Users/niceyoo/.npm/_cacache/index-v5/92/fc

npmERR!codeEACCES

npmERR!errno-13

npmERR!syscallmkdir

npmERR!Error:EACCES:permissiondenied,mkdir'/Users/niceyoo/.npm/_cacache/index-v5/92/fc'

npmERR!{[Error:EACCES:permissiondenied,mkdir'/Users/niceyoo/.npm/_cacache/index-v5/92/fc']

npmERR!cause:

npmERR!{Error:EACCES:permissiondenied,mkdir'/Users/niceyoo/.npm/_cacache/index-v5/92/fc'

npmERR!errno:-13,

npmERR!code:'EACCES',

npmERR!syscall:'mkdir',

npmERR!path:'/Users/niceyoo/.npm/_cacache/index-v5/92/fc'},

npmERR!isOperational:true,

npmERR!stack:

npmERR!'Error:EACCES:permissiondenied,mkdir\'/Users/niceyoo/.npm/_cacache/index-v5/92/fc\'',

npmERR!errno:-13,

npmERR!code:'EACCES',

npmERR!syscall:'mkdir',

npmERR!path:'/Users/niceyoo/.npm/_cacache/index-v5/92/fc'}

npmERR!

npmERR!Theoperationwasrejectedbyyouroperatingsystem.

npmERR!Itislikelyyoudonothavethepermissionstoaccessthisfileasthecurrentuser

npmERR!

npmERR!Ifyoubelievethismightbeapermissionsissue,pleasedouble-checkthe

npmERR!permissionsofthefileanditscontainingdirectories,ortryrunning

npmERR!thecommandagainasroot/Administrator(thoughthisisnotrecommended).

macos是基于Linux的，所以本身sudo就是Linux下的指令，sudo命令以系统管理者的身份执行指令，依次，通过sudo所执行的指令就好像是root亲自执行。