PostgreSQL error Fatal role username does not exist

Question

I m setting up my PostgreSQL 9 1  I can t do anything with PostgreSQL  can t createdb  can t createuser  all operations return the error message  Fatal  role h9uest does not exist   h9uest is my account name  and I sudo apt-get install PostgreSQL 9 1 under this account  Similar error persists for the root account

User · Answer

psql postgres  postgres   CREATE ROLE username superuser  postgres   ALTER ROLE username WITH LOGIN

User · Answer

Use the operating system user postgres to create your database - as long as you haven t set up a database role with the necessary privileges that corresponds to your operating system user of the same name  h9uest in your case    sudo -u postgres -i   As recommended here or here   Then try again  Type exit when done with operating as system user postgres   Or execute the single command createuser as postgres with sudo  like demonstrated by drees in another answer   The point is to use the operating system user matching the database role of the same name to be granted access via ident authentication  postgres is the default operating system user to have initialized the database cluster  The manual       In order to bootstrap the database system  a freshly initialized   system always contains one predefined role  This role is always a      superuser     and by default  unless altered when running initdb  it   will have the same name as the operating system user that initialized   the database cluster  Customarily  this role will be named postgres    In order to create more roles you first have to connect as this   initial role    I have heard of odd setups with non-standard user names or where the operating system user does not exist  You d need to adapt your strategy there   Read about database roles and client authentication in the manual

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For Windows users   psql -U postgres  You should see then the command-line interface to PostgreSQL  postgres

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In local user prompt  not root user prompt  type  sudo -u postgres createuser  lt local username gt    Then enter password for local user   Then enter the previous command that generated  role  username  does not exist    Above steps solved the problem for me  If not  please send terminal messages for above steps

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Follow These Steps and it Will Work For You     run msfconsole type db console  some information will be shown to you  chose the information who tell you to make  db connect user pass host port    database sorry I don t remember it    but it s like this one then replace the user and the password and the host and the  database with the information included in the database yml in the emplacement   usr share metasploit-framework config  you will see  rebuilding the model cache in the background   Type apt-get update  amp  amp  apt-get upgrade after the update restart the terminal and lunch msfconsole and it works you can check that by typing in msfconsole   msf gt db status you will see that it s connected

User · Answer

For version Postgres 9 5  use following comand   psql -h localhost -U postgres   Hope this will help

User · Answer

I installed it on macOS and had to   cd  Applications Postgres app Contents Versions 9 5 bin createuser -U postgres -s YOURUSERNAME createdb YOURUSERNAME   Here s the source  https   github com PostgresApp PostgresApp issues 313 issuecomment-192461641

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dump and restore with --no-owner --no-privileges flags  e g   dump - pg dump --no-owner --no-privileges --format c --dbname postgres   userpass username postgres 5432 schemaname  gt   tmp full dump  restore - pg restore --no-owner --no-privileges --format c --dbname postgres   userpass username postgres 5432 schemaname  tmp full dump

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Manually creating a DB cluster solved it in my case  For some reason  when I installed postgres  the  quot initial DB quot  wasn t created  Executing initdb did the trick for me  This solution is provided in the PostgreSQL Wiki - First steps   initdb Typically installing postgres to your OS creates an  quot initial DB quot  and starts the postgres server daemon running  If not then you ll need to run initdb

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Installing postgres using apt-get does not create a user role or a database   To create a superuser role and a database for your personal user account   sudo -u postgres createuser -s   whoami   createdb   whoami

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This works for me   psql -h localhost -U postgres

User · Answer

Working method    vi  etc postgresql 9 3 main pg hba conf local   all             postgres                                peer here change peer to trust restart  sudo service postgresql restart now try  psql -U postgres

User · Answer

Something as simple as changing port from 5432 to 5433 worked for me

User · Answer

After trying many other people s solutions  and without success  this answer finally helped me    https   stackoverflow com a 16974197 2433309  In short  running  sudo -u postgres createuser owning user   creates a role with name owning user  in this case  h9uest   After that you can run rake db create from the terminal under whatever account name you set up without having to enter into the Postgres environment

User · Answer

sudo su - postgres  psql template1   creating role on pgsql with privilege as  superuser   CREATE ROLE username superuser  eg  CREATE ROLE demo superuser    Then create user   CREATE USER username   eg  CREATE USER demo    Assign privilege to user  GRANT ROOT TO username    And then enable login that user  so you can run e g   psql template1  from normal   terminal   ALTER ROLE username WITH LOGIN

[postgresql] PostgreSQL error: Fatal: role "username" does not exist

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