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Upgrading LedgerSMB 1.5.x to 1.5.y

Submitted by ehu on

Upgrading tarball installations

There are two steps to upgrading a LedgerSMB 1.5.x installation to 1.5.y (x smaller than y):

  1. Upgrade the software
  2. Upgrade the company database

The last step has to be executed for each company database that's set up.

Note that all the steps below are prefixed with the 'sudo' command, but these can be executed as 'root' directly as well.

Upgrading the software

This is by far the easiest part. These are the steps to go through, assuming an installation from tarball:

Upgrading to LedgerSMB 1.5

Submitted by ehu on

Before starting to update to 1.5, the following are differences to be aware of between 1.4 and 1.5:

  • JavaScript in the browser
  • Additional data constraints
  • PSGI / Apache configuration
  • Printed document templates (e.g. invoice templates)
  • Database schema maintenance

See below for explanations of each of these differences.

 

Important note: before trying to migrate your database to a new version of LedgerSMB, create a backup of the database!

I want to upgrade PostgreSQL from 8.3 to 8.4+. How does that work?

Submitted by ehu on

First of all, you need to backup all your company databases followed by an upgrade of your PostgreSQL installation. There are plenty of places on the web to explain how to do that. The high-level process is to install the two versions in parallel and run the pg_upgradecluster command.

When the technical upgrade has succeeded, however, you're not ready to see the performance improvements promised by the 8.4+ versions of PostgreSQL with respect to the menu-generation. This is because the database doesn't automatically use the new 8.4+ code definitions.

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