postgreSQL
[postgreSQL注意版本路径更改](https://blog.csdn.net/u013027996/article/details/32942389）
The response of staff is correct, but if you want to further automate can do 命令A:
sudo -u postgres psql -c "ALTER USER postgres PASSWORD 'postgres';"
Done! You saved User = postgres and password = postgres.
If you do not have a password for the User postgres ubuntu do:
$ sudo passwd postgres
pgadmin3新建服务器等记,密码为命令A密码
pgadmin3新建服务器等记,密码为命令A密码
