9/17/2023 0 Comments Ubuntu list users![]() Use the SELECT statement to query the user information from the pg_catalog.pg_user catalog. MySQL stores information about the users in a table named user in the mysql database. ![]() Use \du or \du+ psql command to list all users in the current database server.ORDER BY role_name desc Code language: SQL (Structured Query Language) ( sql ) Summary WHEN usecreatedb THEN CAST( 'create database' AS pg_catalog.text) WHEN usesuper THEN CAST( 'superuser' AS pg_catalog.text) dirs, Display list of remembered directories. The following statement returns all users in the current database server by querying data from the pg_catalog.pg_user catalog: SELECT usename AS role_name,ĬASE WHEN usesuper AND usecreatedb THEN CAST( 'superuser, create database' AS pg_catalog.text) apt, Search for and install software packages (Debian/Ubuntu). The 3rd and 4rd columns represent UID ( user ID ) and GID ( group ID ). ![]() The above command will list all usernames as per first column of the above command output. To do so execute the following command: cat /etc/passwd. The \du+ command adds an additional column called description. The first method to list all users on Ubuntu 20.04 is to show the content of the /etc/passwd file. If you want to show more information, you can use the \du+ command: postgres=#\du+ Code language: Shell Session ( shell ) Second, use the \du to list all user accounts (or roles) in the current PostgreSQL database server: postgres=# \du Code language: Shell Session ( shell ) Once you enter the password for the postgres user, you will see the following PostgreSQL command prompt: postgres=# Code language: Shell Session ( shell ) So, without further ado, let’s get started. By the end of this tutorial, you’ll be able to perform some basic commands to view all registered users and groups to manage your system administration. It will prompt you for a password: Password: Code language: Shell Session ( shell ) 4min Read How to List Linux Users on Ubuntu In this article, we will show you how to list users on Ubuntu VPS. Listing users using the psql toolįirst, connect to the PostgreSQL database server using the postgres user: $ psql -U postgres Summary: in this tutorial, you will learn how to use the PostgreSQL list user command to show all users in a PostgreSQL database server.
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