The migration tool offers two ways to migrate a PostgreSQL database:replicationmethod andpg_dumpmethod. You can perform either method through the UpCloud Control Panel, or via the command-line using the provided scripts. Both methods require that your source PostgreSQL server has a superuser accoun...
This Postgres tutorial will guide you on how to find the list of active connections in PostgreSQL through practical demonstration. So, let’s start! How to List Sessions/Active Connections in PostgreSQL? In Postgres, finding the list of sessions/connections currently active on your PostgreSQL datab...
How to kill/stop a query in PostgreSQL? First, check the running processes by executing: Copy 1SELECT*FROMpg_stat_activity2WHEREstate ='active'; Find the PID (<pid_of_the_process>) of the process you want to kill. Then, you have two options: ...
Welcome to psql 8.1.11 (server 8.4.18), the PostgreSQL interactive terminal. postgres=# Also, if you don’t want to specify the hostname in the command line parameter every time, you can setup the remote PostgreSQL database ip-address in PGHOST environment variable name as shown below. #...
IP Address: A hostname is effective if your network has a configured DNS server, which translates IP addresses into readable computer names. If no DNS server is available, you must use the server's IP address directly. How to find the Host Name...
DATABASES = {'default': {'ENGINE':'django.db.backends.postgresql_psycopg2','NAME': ‘<db_name>’,'USER':'<db_username>','PASSWORD':'<password>','HOST':'<db_hostname_or_ip>','PORT':'<db_port>', } } . . . Once you’ve got things pointed to the Postgres database, you can...
docker run -d --name pg13 -p5432:5432 -e POSTGRES_HOST_AUTH_METHOD=trust -v pg13-data:/var/lib/postgresql/data postgres:13 # Let’s inspect where our persistent data actually “lives” docker volume inspect pg13-data # To drop the volume later if the container is not needed anymo...
log_filename To store log files from multiple instances in one place, first, create a separate directory hierarchy for each instance. This can be something like the following: /<Application_Name>/<Environment_Name>/<Instance_Name> Each PostgreSQL instance’s “log_directory” can then be pointe...
1. Use hostname command to Change Hostname In this example, we’ll change the hostname from dev-server to prod-server. hostname command by default will display the current hostname as shown below: # hostname dev-server The following will change the hostname to prod-server. ...
pg_dump -U postgres database_name > database.sql As an alternative, when you don’t want to keep the password in a batch file, you can put the credentials to %APPDATA%\postgresql\pgpass.conf in the following format: hostname:port:database:username:password ...