[user@localhost ~]$ sudo -u postgres psql
[sudo] password for user:
could not change directory to "/home/user"
Password:
psql (9.2.24)
Type "help" for help.

postgres=# c db
You are now connected to database "db" as user "postgres".
rob=# i /home/user/Downloads/dump.sql
/home/user/Downloads/dump.sql: `Permission denied`



[root@localhost ~]# ls -Z dump.sql
-rw-rw-rw-. postgres postgres unconfined_u:object_r:user_home_t:s0 dump.sql