pgsql启动后执行psql显示报错：
psql: error: connection to server on socket "/var/run/postgresql/.s.PGSQL.5432" failed: No such file or directory
Is the server running locally and accepting connections on that socket?
只需要添加一条软连接：
ln -s /tmp/.s.PGSQL.5432 /var/run/postgresql/.s.PGSQL.5432
- server socket quot connections connectionserver socket quot connections apr_socket_recv connection压力centos7 os-ubuntu-server-connect allowed connect server mysql messagingexception quot exception connect quot multiprocessing connection oserror quot connection decoding docker err_proxy_connection_failed quot connection error server-side processing connected 10252 quot connection 127