1进入Postgressql安装目录,进入子目录data

2)su postgres

3)openssl req -new -text -out server.req

4)openssl rsa -in privkey.pem -out server.key

5)rm privkey.pem

6)openssl req -x509 -in server.req -text -key server.key -out server.crt

7)chmod og-rwx server.key

8) pg_ctl start