关于macos：psql：无法连接到服务器：MAC OSX上没有此类文件或目录

psql: could not connect to server: No such file or directory on MAC OSX

我试图使用home brew在我的MAC上安装PostgreSQL，当我尝试运行命令psql时，我收到以下错误

1
2
3
4

Harshas-MacBook-Pro:~ harshamv$ psql
psql: could NOT CONNECT TO server: No such file OR directory
IS the server running locally AND accepting
connections ON Unix DOMAIN socket"/tmp/.s.PGSQL.5432"?

看起来系统无法识别安装。

1
2
3

Harshas-MacBook-Pro:~ harshamv$ locate psql | grep /bin
/usr/LOCAL/Cellar/postgresql/9.4.0/bin/psql
/usr/LOCAL/bin/psql

这个过程似乎正在运行

1 2	Harshas-MacBook-Pro:~ harshamv$ ps -aef\|grep postgres 501 12075 11832 0 11:54AM ttys001 0:00.00 grep postgres

也是plist文件

1
2
3
4
5
6
7
8
9

Harshas-MacBook-Pro:~ harshamv$ launchctl LOAD -w /usr/LOCAL/Cellar/postgresql/9.4.0/homebrew.mxcl.postgresql.plist
/usr/LOCAL/Cellar/postgresql/9.4.0/homebrew.mxcl.postgresql.plist: Operation already IN progress

Harshas-MacBook-Pro:~ harshamv$ which psql
/usr/LOCAL/bin/psql

Harshas-MacBook-Pro:~ harshamv$ echo $PATH
/Users/harshamv/.rvm/gems/ruby-2.1.2/bin:/Users/harshamv/.rvm/gems/ruby-2.1.2@global/bin:/Users/harshamv/.rvm/rubies/ruby-2.1.2/bin:/Applications/bin/php5/bin/:/Applications/Mamp/htdocs/prayag/lib/Cake/Console:/usr/LOCAL/bin:/usr/bin:/bin:/usr/sbin:/sbin:/Users/harshamv/.rvm/bin:/usr/LOCAL/mongodb/bin