Guacamole
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Contents
- 1 What is Guacamole?
- 2 Installing Guacamole on Amahi
- 3 Configuring Guacamole and Amahi
- 4 Logging In to Guacamole
- 5 Port Forwarding
What is Guacamole?
Guacamole is an HTML5 remote desktop gateway.
Guacamole provides access to desktop environments using remote desktop protocols like VNC and RDP. A centralized server acts as a tunnel and proxy, allowing access to multiple desktops through a web browser.
No browser plugins are needed, and no client software needs to be installed. The client requires nothing more than a web browser supporting HTML5 and AJAX.
Installing Guacamole on Amahi
Dependencies
The following dependencies are included so as to make as many features in Guacamole available to the installer.
In terminal, as root, install dependencies with the following:
For Fedora 21 or lower
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$ su Password: # sudo yum install tomcat gcc cairo-devel libjpeg-devel libpng-devel uuid-devel freerdp-devel pango-devel libssh2-devel libtelnet-devel libvncserver-devel pulseaudio-libs-devel openssl-devel libvorbis-devel libwebp-devel
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For Fedora 23 or higher
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$ su Password: # sudo dnf install tomcat gcc cairo-devel libjpeg-devel libpng-devel uuid-devel freerdp-devel pango-devel libssh2-devel libtelnet-devel libvncserver-devel pulseaudio-libs-devel openssl-devel libvorbis-devel libwebp-devel
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Some packages may be already included in your Amahi install so Fedora / Amahi will skip it.
Preparing Amahi
Login to your Amahi Dashboard and choose "Set Up" in the upper right. Now select the "Apps" tab. Click on "Webapps" and on the page that comes up choose the "New Web App" button at the bottom. Fill in the name (guacamole) and leave everything else as it is.
- Note: If you do not see the "Webapps" option under "Apps" then you need to activate "Advanced Settings" under the "Settings" tab of your Amahi dashboard.
Setting up MySQL Authentication
Creating the Database
In terminal, run the following command
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sudo mysql -u root -p
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The password requested is the root user password for MySQL on Amahi; In MariaDB enter the following:
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create database guacdb;
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create user 'guacuser'@'localhost' identified by 'guac123';
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grant select,insert,update,delete on guacdb.* to 'guacuser'@'localhost';
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flush privileges;
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quit
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Installing MySQL Authentication Module
Create a working directory and move there
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sudo mkdir -p /var/hda/web-apps/guacamole/sqlauth && cd /var/hda/web-apps/guacamole/sqlauth
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Download Guacamole's authorization module
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sudo wget http://sourceforge.net/projects/guacamole/files/current/extensions/guacamole-auth-jdbc-0.9.9.tar.gz
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Unpack it
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sudo tar -zxf guacamole-auth-jdbc-0.9.9.tar.gz
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Download MySQL and Java Connector
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sudo wget http://dev.mysql.com/get/Downloads/Connector/j/mysql-connector-java-5.1.38.tar.gz
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Unpack it
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sudo tar -zxf mysql-connector-java-5.1.38.tar.gz
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Create directories for the extensions in Tomcat's folders
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sudo mkdir -p /usr/share/tomcat/.guacamole/{extensions,lib}
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Move the modules to their respective directories.
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sudo mv guacamole-auth-jdbc-0.9.9/mysql/guacamole-auth-jdbc-mysql-0.9.9.jar /usr/share/tomcat/.guacamole/extensions/
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sudo mv mysql-connector-java-5.1.38/mysql-connector-java-5.1.38-bin.jar /usr/share/tomcat/.guacamole/lib/
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Restart MariaDB
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sudo systemctl restart mariadb.service
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Loading Guacamole's schema into the MySQL Tables
The schema for MySQL was downloaded in the previous process. Just change directories to the files location
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cd /var/hda/web-apps/guacamole/sqlauth/guacamole-auth-jdbc-0.9.9/mysql/schema/
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and run the following command:
sudo cat ./*.sql | mysql -u root -p guacdb
The above is bash code. I have to format it differently to get all of the code to show on this wiki page.
The password requested is the root user password for MySQL.
Installing Guacamole Server
Guacamole uses "guacd", a Guacamole server and a Guacamole Client for users to connect to the "guacd" server. We first install Guacamole Server.
Change Directories
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cd /var/hda/web-apps/guacamole
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Download Guacamole Server
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sudo wget https://sourceforge.net/projects/guacamole/files/current/source/guacamole-server-0.9.9.tar.gz
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Unpackage it
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tar -xzf guacamole-server-0.9.9.tar.gz
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Move to the Guacamole source code directory
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cd guacamole-server-0.9.9/
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Configure, make and install it.
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sudo ./configure --with-init-dir=/etc/init.d
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sudo make
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sudo make install
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sudo ldconfig
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Installing Guacamole Client
Create a new directory and move to it.
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sudo mkdir -p /var/lib/guacamole && cd /var/lib/guacamole/
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Download Guacamole Client.
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sudo wget http://sourceforge.net/projects/guacamole/files/current/binary/guacamole-0.9.9.war -O guacamole.war
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Create a symbolic link of the file for Tomcat.
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sudo ln -s /var/lib/guacamole/guacamole.war /var/lib/tomcat/webapps/
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Guacamole's Configuration File
Create a directory for the configuration file.
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sudo mkdir -p /etc/guacamole/
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Create a file called "guacamole.properties" in that directory
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sudo vi /etc/guacamole/guacamole.properties
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and include the following contents
# MySQL properties mysql-hostname: localhost mysql-port: 3306 mysql-database: guacdb mysql-username: guacuser mysql-password: guacDBpass # Additional settings mysql-default-max-connections-per-user: 0 mysql-default-max-group-connections-per-user: 0
Now create a symbolic link of this file for Tomcat
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sudo ln -s /etc/guacamole/guacamole.properties /usr/share/tomcat/.guacamole/
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Starting Guacamole Server
Restart Tomcat.
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sudo service tomcat restart
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Start Guacamole Server.
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sudo /etc/init.d/guacd start
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Configure Guacamole Server to start at boot.
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sudo chkconfig tomcat on # chkconfig guacd on
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Deploying Guacamole
To deploy Guacamole, you must make two symbolic links: one effectively copying the web application (now located at /var/lib/guacamole/guacamole.war) into the directory Tomcat monitors for web application deployment, and the other effectively copying the configuration file, guacamole.properties, into the Tomcat's classpath, such that Guacamole can find it once it runs. This must be done as root:
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# ln -s /var/lib/guacamole/guacamole.war /var/lib/tomcat6/webapps # ln -s /etc/guacamole/guacamole.properties /usr/share/tomcat6/lib
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Restart Tomcat
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service tomcat6 restart
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Start Guacamole's service
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service guacd start
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Now configure the tomcat6 and guacd services to run automatically
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# chkconfig tomcat6 on # chkconfig guacd on
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Configuring Guacamole and Amahi
Create Symbolic links between guacamole in Tomcat and Amahi's webapp directory
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sudo ln -s /var/lib/tomcat/webapps/guacamole/* /var/hda/web-apps/guacamole/html
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As root, create .htaccess file in /var/hda/web-apps/guacamole/html
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# vi /var/hda/web-apps/guacamole/html/.htaccess
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This is the text for the .htaccess file:
RewriteEngine On
RewriteCond %{SERVER_PORT} 80
RewriteRule (.*) http://%{HTTP_HOST}:8080/guacamole [R,L]
Make sure the owner of all the file is apache and the group is users.
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sudo chown -R apache:users /var/hda/web-apps/guacamole
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Restart Apache
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sudo service httpd restart
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Logging In to Guacamole
You can access the web login screen for Guacamole from the server at http://127.0.0.1:8080/guacamole
From other computers in the network you can access Guacamole by http://****:8080/guacamole (Where the "****" is the ip address of your Amahi server).
The default user is "guacadmin", with the default password of "guacadmin". You can change your password by editing your own user in the administration screen.
With everything configured correctly you should be able to access the web login screen through Amahi at http://guacamole.yourhdaname.com:8080/guacamole/
Port Forwarding
If you want Guacamole's web interface to be accessible outside of your LAN you will have to forward a random, unused port (1111, for example) to port 8080 in your router. Then when you access Guacamole from outside your LAN you will need to add "/guacamole" to the end of your url. (serverblahblah.yourhda.com:1111/guacamole) If you do not add "/guacamole" to your url, you will see a blank page since you did not specify which application in Tomcat you wanted to access.
