PostgreSQL /etc/systemd/postgresql@.service
Compatibility
File Info
- Size
- 34 lines
- MD5
- c60e225d986978418a05bc6064fa0c3f
- SHA256
- 5d3626d9805765d6db63fba1ef7314a294f1b4085f5a2814ada58ea3fcf9cfa8
Quick Commands
curl https://exampleconfig.com/api/v1/config/original/c60e225d986978418a05bc6064fa0c3f?hint=postgresql@.service
wget -O postgresql@.service https://exampleconfig.com/api/v1/config/original/c60e225d986978418a05bc6064fa0c3f?hint=postgresql@.service
# systemd service template for PostgreSQL clusters. The actual instances will # be called "postgresql@version-cluster", e.g. "postgresql@9.3-main". The # variable %i expands to "version-cluster", %I expands to "version/cluster". # (%I breaks for cluster names containing dashes.) [Unit] Description=PostgreSQL Cluster %i ConditionPathExists=/etc/postgresql/%I/postgresql.conf PartOf=postgresql.service ReloadPropagatedFrom=postgresql.service Before=postgresql.service [Service] Type=forking # @: use "postgresql@%i" as process name ExecStart=@/usr/bin/pg_ctlcluster postgresql@%i --skip-systemctl-redirect %i start ExecStop=/usr/bin/pg_ctlcluster --skip-systemctl-redirect -m fast %i stop ExecReload=/usr/bin/pg_ctlcluster --skip-systemctl-redirect %i reload PIDFile=/var/run/postgresql/%i.pid SyslogIdentifier=postgresql@%i # prevent OOM killer from choosing the postmaster (individual backends will # reset the score to 0) OOMScoreAdjust=-900 # restarting automatically will prevent "pg_ctlcluster ... stop" from working, # so we disable it here. Also, the postmaster will restart by itself on most # problems anyway, so it is questionable if one wants to enable external # automatic restarts. #Restart=on-failure # (This should make pg_ctlcluster stop work, but doesn't:) #RestartPreventExitStatus=SIGINT SIGTERM [Install] WantedBy=multi-user.target
How to Install PostgreSQL
Alpine Linux
sudo apk add postgresql
Debian
sudo apt update && sudo apt install postgresql
Red Hat Enterprise Linux
sudo yum install postgresql17-server
Ubuntu
sudo apt update && sudo apt install postgresql
Configuration File Location
Complete PostgreSQL Configuration Guide
- What is postgresql@.service?
- Access the original 'postgresql@.service' (postgresql.conf) configuration file from a fresh PostgreSQL installation on Debian 9 (Stretch). This is the exact default configuration that ships with the official PostgreSQL package, essential for database recovery, performance optimization, and understanding enterprise-grade settings.
- Technical Details
- Located at '/etc/systemd/postgresql@.service', this 34-line file controls shared buffers, WAL settings, autovacuum parameters, connection pooling, and query optimization. Powers some of the world's largest databases including Instagram, Spotify, and financial institutions processing millions of transactions daily.
- Common Configuration Question
- How do you configure PostgreSQL for optimal performance, high availability, and ACID compliance on Debian 9?
- Why Use This Configuration?
- This factory-default configuration includes advanced indexing, full-text search capabilities, and enterprise security features. Critical for database administrators, data engineers, and developers building scalable applications with complex queries.
Frequently Asked Questions
When should I use this postgresql@.service file?
Use this original configuration file when you need to restore PostgreSQL to its default state after misconfiguration, during fresh installations, or as a baseline for customization. It's particularly useful for troubleshooting when your current config isn't working properly.
How do I restore PostgreSQL to default settings?
Download this file and replace your current configuration at /etc/systemd/postgresql@.service. Make sure to backup your existing configuration first, then restart the PostgreSQL service to apply the changes.
Is this postgresql@.service file secure for production use?
This is the factory-default configuration that ships with PostgreSQL on Debian 9 (Stretch). While it provides a secure baseline, you should review and customize security settings based on your specific production requirements and compliance needs.
What's the difference between this and other OS versions?
This configuration is specifically from Debian 9 (Stretch). Different operating systems and versions may have slightly different default settings, security patches, or feature availability. Check the compatibility section above for other OS versions.
Can I use this configuration file for PostgreSQL troubleshooting?
Yes, this original configuration is excellent for troubleshooting. Compare it with your current settings to identify modifications that might be causing issues, or temporarily replace your config with this one to isolate problems.
