Como resolver o rrro do PgAdmin no Ubuntu 22 "FATAL: password authentication failed for user"
Run the following commands: sudo -i -u postgres Input your sudo user password psql ALTER USER postgres PASSWORD 'new_password'; \q exit Now change config file to use this new password: sudo subl /etc/postgresql/13/main/pg_hba.conf ( subl means subliime text, you can use any other text editor). Edit this part of the file: change peer to md5 # Database administrative login by Unix domain socket local all postgres peer # "local" is for Unix domain socket connections only local all all peer restart the postgres service Run this command to sign into postgres using the newly created password: psql -U postgres