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Diffstat (limited to 'doc/guix.texi')
| -rw-r--r-- | doc/guix.texi | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index b2030e68cf..c23ed8d715 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -17260,6 +17260,24 @@ The PostgreSQL daemon loads its runtime configuration from @var{config-file}, creates a database cluster with @var{locale} as the default locale, stored in @var{data-directory}. It then listens on @var{port}. +If the services fails to start, it may be due to an incompatible +cluster already present in @var{data-directory}. Adjust it (or, if you +don't need the cluster anymore, delete @var{data-directory}), then +restart the service. + +Peer authentication is used by default and the @code{postgres} user +account has no shell, which prevents the direct execution of @code{psql} +commands as this user. To use @code{psql}, you can temporarily log in +as @code{postgres} using a shell, create a PostgreSQL superuser with the +same name as one of the system users and then create the associated +database. + +@example +sudo -u postgres -s /bin/sh +createuser --interactive +createdb $MY_USER_LOGIN # Replace appropriately. +@end example + @cindex postgresql extension-packages Additional extensions are loaded from packages listed in @var{extension-packages}. Extensions are available at runtime. For instance, |