# OpenClinica User Manual/GetStarted

OpenClinica User Manual Content :
* Introduction
* About
* Installation: tips and issues
* Get Started
* Checklist for installation problems
* Popup calendar gives invalid dates
* Configuration of GMail as mailserver
* Installing Tomcat as a service
* Installing OpenClinica 3.0.4.1 on UBUNTU 10.10 Server
* Upgrading OpenClinica 3.0.4.x to 3.1.x on UBUNTU 10.04 Server
* ISA settings for OpenClinica 3.1.3.x
* Postgresql 9.x
* Support for special characters / utf-8
* Rules
* Two ways to find OID's to use in a rule
* Useful links when creating rules
* Writing and testing rules
* Avoiding problems with OIDs
* Automate tasks with Selenium
* Write rules with Excel
* Study Setup
* Creating a new Event Definition or Visit
* Setting up a test environment
* CRF Appearance
* How to style a CRF with CSS and HTML
* How to style a CRF using jQuery
* How to show an image
* CRF
* Creating a new CRF
* Creating a new version of an existing CRF
* Advantages of single-select dropdowns
* Assigning a CRF to a study
* Standards and Reuse
* Avoiding problems with OIDs
* Automating test data, range validation and content separation
* Textarea size limit
* Manipulating text for use in CRFs
* CRFs that include uploaded data files
* Validation of a time field using a regular expression
* Calculations and functions (pow & decode) in a CRF
* How to calculate the age in a CRF
* How to use long, external lists
* How to copy the variables from the CRF header into your CRF
* Conducting a study
* Assigning users to sites, why and how
* Removing subjects and this auto-remove-thing
* Editing a subject's date of birth
* Delete row in repeating group
* Locking Study, Sites and Events
* Community data mart using Access
* System Maintenance
* Backup and restore of an OpenClinica installation
* Reset the password of root
* OutOfMemoryError, or: increasing the heap size
* Optimizing OpenClinica Performance
* Optimizing PostgreSQL
* Setting up a reverse proxy to enhance performance
* Running multiple OpenClinica instances on a single server
* Issues highlighted by analysing an OpenClinica page
* Renaming datasets
* Waiting for changelog lock error
* A starting point for system validation
* The OpenClinica generic error page: An error has occurred
* Change the RSS feed URL
* The tomcat AJP-vulnerability (Mar 2020)
* FAQ
* Disable Reason for Change during data entry
* Fixing Discrepancy Note exports
* Interfaces to OpenClinica (e.g. data capture with little or no connectivity)
* Importing data into OpenClinica
* Exporting to SAS, R and Stata
* Content Encoding Error
* Firefox v20 and prototype.js and also Chrome/Safari

## Table of Contents

* Login Page
* Username/Password
* Initial Password Change
* Main Page

## Get started
### Login Page

After successfully installing OpenClinica it is possible to access OpenClinica through a web browser. Type
and the browser will direct the user to the OpenClinica login page.
Do not forget that Tomcat is case-sensitive, so localhost:8080/openclinica will not work, neither will localhost:8080/OPENCLINICA, etc.

### Username/Password

The default user credential for OpenClinica is
Fill in the username and password fields and press login.

### Initial Password Change

If the login has been successful you will be asked to change the default password. Type in the new one and proceed with Change Password.

### Main Page

This indicates that the OpenClinica main page and the OpenClinica installation function.