Installing phpLDAPadmin
by Uday R. Sawant, William Leemans, Jonathan Hobson, Oliver Pelz
Linux: Powerful Server Administration
- Linux: Powerful Server Administration
- Table of Contents
- Linux: Powerful Server Administration
- Linux: Powerful Server Administration
- Credits
- Preface
- 1. Module 1
- 1. Managing Users and Groups
- 2. Networking
- Introduction
- Connecting to a network with a static IP
- Installing the DHCP server
- Installing the DNS server
- Hiding behind the proxy with squid
- Being on time with NTP
- Discussing load balancing with HAProxy
- Tuning the TCP stack
- Troubleshooting network connectivity
- Securing remote access with OpenVPN
- Securing a network with uncomplicated firewall
- Securing against brute force attacks
- Discussing Ubuntu security best practices
- 3. Working with Web Servers
- Introduction
- Installing and configuring the Apache web server
- Serving dynamic contents with PHP
- Hosting multiple websites with a virtual domain
- Securing web traffic with HTTPS
- Installing Nginx with PHP_FPM
- Setting Nginx as a reverse proxy
- Load balancing with Nginx
- Setting HTTPs on Nginx
- Benchmarking and performance tuning of Apache
- Securing the web server
- Troubleshooting the web server
- 4. Working with Mail Servers
- 5. Handling Databases
- Introduction
- Installing relational databases with MySQL
- Storing and retrieving data with MySQL
- Importing and exporting bulk data
- Adding users and assigning access rights
- Installing web access for MySQL
- Setting backups
- Optimizing MySQL performance – queries
- Optimizing MySQL performance – configuration
- Creating MySQL replicas for scaling and high availability
- Troubleshooting MySQL
- Installing MongoDB
- Storing and retrieving data with MongoDB
- 6. Network Storage
- 7. Cloud Computing
- 8. Working with Containers
- Introduction
- Installing LXD, the Linux container daemon
- Deploying your first container with LXD
- Managing LXD containers
- Managing LXD containers – advanced options
- Setting resource limits on LXD containers
- Networking with LXD
- Installing Docker
- Starting and managing Docker containers
- Creating images with a Dockerfile
- Understanding Docker volumes
- Deploying WordPress using a Docker network
- Monitoring Docker containers
- Securing Docker containers
- 9. Streaming with Ampache
- 10. Communication Server with XMPP
- 11. Git Hosting
- Introduction
- Installing Git
- Creating a local repository with Git CLI
- Storing file revisions with Git commit
- Synchronizing the repository with a remote server
- Receiving updates with Git pull
- Creating repository clones
- Installing GitLab, your own Git hosting
- Adding users to the GitLab server
- Creating a repository with GitLab
- Automating common tasks with Git hooks
- 12. Collaboration Tools
- 13. Performance Monitoring
- 14. Centralized Authentication Service
- 2. Module 2
- 1. Installing CentOS
- Introduction
- Downloading CentOS and confirming the checksum on Windows or OS X
- Creating USB installation media on Windows or OS X
- Performing an installation of CentOS using the graphical installer
- Running a netinstall over HTTP
- Installing CentOS 7 using a kickstart file
- Getting started and customising the boot loader
- Troubleshooting the system in rescue mode
- Updating the installation and enhancing the minimal install with additional administration and development tools
- 2. Configuring the System
- Introduction
- Navigating text files with less
- Introduction to Vim
- Speaking the right language
- Synchronizing the system clock with NTP and the chrony suite
- Setting your hostname and resolving the network
- Building a static network connection
- Becoming a superuser
- Customizing your system banners and messages
- Priming the kernel
- 3. Managing the System
- Introduction
- Knowing and managing your background services
- Troubleshooting background services
- Tracking system resources with journald
- Configuring journald to make it persistent
- Managing users and their groups
- Scheduling tasks with cron
- Synchronizing files and doing more with rsync
- Maintaining backups and taking snapshots
- Monitoring important server infrastructure
- Taking control with GIT and Subversion
- 4. Managing Packages with YUM
- 5. Administering the Filesystem
- 6. Providing Security
- 7. Building a Network
- 8. Working with FTP
- 9. Working with Domains
- 10. Working with Databases
- 11. Providing Mail Services
- 12. Providing Web Services
- 13. Operating System-Level Virtualization
- 14. Working with SELinux
- 15. Monitoring IT Infrastructure
- 1. Installing CentOS
- 3. Module 3
- 1. Working with KVM Guests
- 2. Deploying RHEL "En Masse"
- 3. Configuring Your Network
- 4. Configuring Your New System
- 5. Using SELinux
- 6. Orchestrating with Ansible
- 7. Puppet Configuration Management
- 8. Yum and Repositories
- 9. Securing RHEL 7
- 10. Monitoring and Performance Tuning
- Bibliography
- Index
In the previous recipe, we installed the LDAP service, but working with LDAP using the command line interface is quite a complex and lengthy task. This recipe covers the installation of a user interface, phpLDAPadmin. The phpldapadmin package provides an easy-to-use web-based user interface for the LDAP service.
Follow these steps to install phpLDAPadmin:
- The Ubuntu package repository makes things easy again by providing the package for phpLDAPadmin. The web interface can be quickly installed in a single command as follows:
$ sudo apt-get install phpldapadmin - The installation process takes care of installing all dependencies including PHP and the Apache web server. It also creates necessary configurations and sets up Apache with the required settings for phpLDAPadmin. Once installation is complete, you can access the admin interface at
http://youServerIP/phpldapadmin. - Before we access the admin page, let's make some small changes in the configuration file. The file is located at
/etc/phpldapadmin/config.php. By default, phpLDAPadmin shows warning messages for unused template files. These warning messages get shown in the main interface before the actual content. To hide them, search forhide_template_warningin the configuration file and set it totrue. You will also need to uncomment the same line:$config->custom->appearance['hide_template_warning'] = true; - The other settings should have already been set by the installation process. You can cross-check the following settings:
$servers->setValue('server','host','127.0.0.1'); $servers->setValue( 'login','bind_id', 'cn=admin,dc=example, dc=com' ); $servers->setValue( 'server','base',array('dc=example,dc=com') );
- Once you are done with the configuration file changes, save and close it and then access the admin interface through your browser:
- Click on the login link on the left of the page to get the login dialogue box. The username (Login DN) field is already filled with details for the admin account. Make sure the details match the domain you have set up. Enter the password for the admin account and click the Authenticate button:
- You should have noticed the warning on the login box saying the
connection is unencrypted. This is just a reminder that you are using the admin console over a non-HTTPs connection. You can set up Apache with SSL certificates to get an encrypted, secure connection with your LDAP server. Check Chapter 3, Working with Web Servers, for more details on how to set up SSL certificates on the Apache web server. - Once you log in to phpLDAPadmin, you can see the domain listed in the left-hand side menu. Click on the domain link to view its details.
- Next, click on the small plus link (+) to expand the domain link and see its children. With the default settings, it should show only the admin account:
- Along with the link for the admin account, you will see an option to create a new entry. Clicking on this link will show you a list of templates for the new entry:
Note
While clicking on some of these templates, for example Generic: User Account, you may notice a PHP error saying Error trying to get non-existent value. The form rendering fails and you cannot see the complete form the with submit button. This is a small bug and can be fixed with a small edit.
Open /usr/share/phpldapadmin/lib/TemplateRender.php.
Search for the following line:
$default = $this->getServer() ->getValue('appearance','password_hash');
Now update the preceding command as follows:
$default = $this->getServer() ->getValue('appearance','password_hash_custom');
Now you are ready to create groups and respective user accounts on your LDAP server.
In this recipe, we have installed a web-based administration console for the LDAP server. The ldap-utils package provides various commands to work with the LDAP server, but it is quite a complex and lengthy task. A graphical user interface gives you a better listing of all options and existing configurations, making things a little easier.
The phpLDAPadmin package is a PHP/Apache-based web application that provides a graphical interface for the LDAP server. It displays all options and configurations in an easy-to-use graphical format and passes all user actions to LDAP APIs.
Apache directory studio is another user interface for LDAP administration. It is a desktop application based on Java. You can get more details at https://directory.apache.org/studio/.
- A StackOverflow answer for the phpLDAPadmin error message at http://stackoverflow.com/a/21195761/1012809
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