sudo apt-get install postgresql libpq-dev
安装过程没有错误.基本上我应该能够连接到本地服务器,但是当我点击命令psql时,会出现以下错误:
psql: could not connect to server: No such file or directory Is the
server running locally and accepting connections on Unix domain
socket “/var/run/postgresql/.s.PGsql.5432”?