---
title: Frequently Asked Questions
---
### What are the username and the password in the default installation?
On first startup, you have to create the initial administration user.
Learn more at [first startup](../first-startup/).
### Where does SCM-Manager store its configuration, data and repositories?
All data which is created by SCM-Manager, is stored in the SCM-Manager  base directory.
The location of the base directory depends on your type of installation.
Please have a look at the [documentation](../administration/basedirectory/).
### How can I change the SCM-Manager home directory?
There are several ways to change the location of the home directory: [documentation](../administration/basedirectory/#change-base-directory-location)
### Where does SCM-Manager stores it log files?
The location of the log files depends on your operation system and the type of installation.
Please have a look at the [documentation](../administration/logging/).
### How do I enable trace logging?
Find the location of your `logging.xml` in the [documentation](../administration/logging/#configuration) and change the following line from:
```xml
```
to:
```xml
```
After changing the configuration, SCM-Manager must be restarted.
### How do I install plugins?
Find the plugin you like to install at [plugins](/plugins#categories) and follow the installation instructions on the install page of the plugin.
### How can I import my existing (git|mercurial|subversion) repository
Please have a look on [these detailed instructions](../import/).