Error: No available formula with the name ‘mongodb'

brew tap mongodb/brew

brew install mongodb-community

brew install mongodb-community@4.2

brew install mongodb-community@4.0

brew install mongodb-community@3.6

brew install mongodb-community-shell

#配置文件：/usr/local/etc/mongod.conf

#日志目录路径：/usr/local/var/log/mongodb

#数据目录路径：/usr/local/var/mongodb

#启动
brew services start mongodb-community

#或
brew services start mongodb/brew/mongodb-community

#停止
brew services stop mongodb-community

#或
brew services stop mongodb/brew/mongodb-community

#链接 mongo
mongo

#切换db，或创建 xttblog
use xttblog

#创建用户admin
db.createUser({
	user:'admin',
	pwd:'admin',
	roles:[{role:'readWrite',db:'xttblog'}]
})

Successfully added user: {
	"user" : "admin",
	"roles" : [
		{
			"role" : "readWrite",
			"db" : "xttblog"
		}
	]
}

#查看角色
show roles

#查看用户
show users

db.updateUser(
	"admin",
	{
		roles:[
			{role:"readWrite",db:"xttblog"},
			{role:"userAdmin",db:"xttblog"},
			{role:"dbAdmin",db:"xttblog"}
		]
	}
)

vi /usr/local/etc/mongod.conf

systemLog:
 destination: file
 path: /usr/local/var/log/mongodb/mongo.log
 logAppend: true
storage:
 dbPath: /usr/local/var/mongodb
net:
 bindIp: 127.0.0.1
 port: 27017
# 开启权限校验
security:
 authorization: enabled

mongo
use xttblog
db.auth("xttblog","xttblog")

mongodb://admin:admin@localhost:27017/xttblog