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You're reading from  PostgreSQL 14 Administration Cookbook

Product typeBook
Published inMar 2022
PublisherPackt
ISBN-139781803248974
Edition1st Edition
Concepts
Databases
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Authors (2):
Simon Riggs
Simon Riggs
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Simon Riggs

Simon Riggs is the CTO of 2ndQuadrant, having contributed to PostgreSQL as a major developer and committer for 14 years. He has written and designed features for replication, performance, BI, management, and security. Under his guidance, 2ndQuadrant is now a leading developer of open source PostgreSQL, serving hundreds of clients in USA, Europe, and worldwide. Simon is a frequent speaker at many conferences on PostgreSQL Futures. He has worked as a database architect for 30 years.
Read more about Simon Riggs

Gianni Ciolli
Gianni Ciolli
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Gianni Ciolli

Gianni Ciolli is the Vice President for Solutions Architecture at EnterpriseDB (EDB). As a PostgreSQL consultant, he has driven many successful enterprise deployments for customers in every part of the globe.Gianni is respected worldwide as a popular speaker and trainer at many PostgreSQL conferences in Europe and abroad over the last 14 years. He has worked with free and open-source software since the 1990s as an active member of the community (Prato Linux User Group, and Italian PostgreSQL Users Group). Gianni has a Ph.D. in Mathematics from the University of Florence. He lives in London with his son. His other interests include music, drama, poetry and athletics.
Read more about Gianni Ciolli

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Troubleshooting a failed connection

This recipe is all about what you should do when things go wrong.

Bear in mind that 90% of problems are just misunderstandings, and you'll quickly be on track again.

How to do it…

Here, we've made a checklist to be followed if a connection attempt fails:

  • Check whether the database name and the username are accurate. You may be requesting a service on one system when the database you require is on another system. Recheck your credentials; ensure that you haven't mixed things up and that you are not using the database name as the username, or vice versa. If you receive an error for too many connections, then you may need to disconnect another session before you can connect or request the administrator to allow further connections.
  • Check for explicit rejections. If you receive the pg_hba.conf rejects connection for host... error message, it means that your connection attempt has been explicitly...
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PostgreSQL 14 Administration Cookbook
Published in: Mar 2022Publisher: PacktISBN-13: 9781803248974
© 2022 Packt Publishing Limited All Rights Reserved

Authors (2)

author image
Simon Riggs

Simon Riggs is the CTO of 2ndQuadrant, having contributed to PostgreSQL as a major developer and committer for 14 years. He has written and designed features for replication, performance, BI, management, and security. Under his guidance, 2ndQuadrant is now a leading developer of open source PostgreSQL, serving hundreds of clients in USA, Europe, and worldwide. Simon is a frequent speaker at many conferences on PostgreSQL Futures. He has worked as a database architect for 30 years.
Read more about Simon Riggs

author image
Gianni Ciolli

Gianni Ciolli is the Vice President for Solutions Architecture at EnterpriseDB (EDB). As a PostgreSQL consultant, he has driven many successful enterprise deployments for customers in every part of the globe.Gianni is respected worldwide as a popular speaker and trainer at many PostgreSQL conferences in Europe and abroad over the last 14 years. He has worked with free and open-source software since the 1990s as an active member of the community (Prato Linux User Group, and Italian PostgreSQL Users Group). Gianni has a Ph.D. in Mathematics from the University of Florence. He lives in London with his son. His other interests include music, drama, poetry and athletics.
Read more about Gianni Ciolli

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