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guac-install

I've maintained this script for quite a few years now with the help of the other contributors and it seems to be getting more and more fragmented as libraries and system OSes diverge in their package management. I do not plan on maintaining this beyond perhaps approving other people's PRs and letting people continue to discuss issues, so I won't archive it but I'm also not actively maintaining it 🤷‍♂️

You can also check out this other Guacamole-Setup repo which sets up a complete Virtual Desktop/Jump Server appliance with MFA, Active Directory integration & Nginx SSL reverse proxy for more inspiration.

NOTE: The fixes below are not to be used UNLESS you're having issues, don't run these for no reason, use the distro maintainers version unless there's a reason not to.

NOTE: Ubuntu users having issues with RDP have reported the following fix:

sudo add-apt-repository ppa:remmina-ppa-team/remmina-next
sudo apt-get update
sudo apt-get install freerdp2-dev freerdp2-x11

NOTE: Debian users having issues with RDP have reported the following fix:

sudo bash -c 'echo "deb http://deb.debian.org/debian buster-backports main" >> /etc/apt/sources.list.d/backports.list'
sudo apt update
sudo apt -y -t buster-backports install freerdp2-dev libpulse-dev

Script for installing Guacamole 1.5.4 on Ubuntu 16.04 or newer (with MySQL, or remote MySQL). It should also work on pure Debian, Raspbian, Linux Mint (18/LMDE 4 or newer) or Kali Linux. I have tested this with Debian 10.3.0 (Buster). If other versions don't work please open an issue. It is likely due to a required library having a different name.

Run script, enter MySQL Root Password and Guacamole User password. Guacamole User is used to connect to the Guacamole Database. Be sure to save these!

The script attempts to install tomcat9 by default (it will fall back on tomcat8 if the available version is 8.5.x or newer, otherwise it will fall back to tomcat7). If you want to manually specify a tomcat version there's a commented out line you can modify. Have at it.

MFA/2FA

By default the script will not install MFA support (QR code for Google/Microsoft Authenticator, Duo Mobile, etc. or Duo Push), if you do want MFA support you can use the -t or --totp or for Duo -d or --duo flags on the command line. Or modify the script variables installTOTP=true or installDuo=true. Do not install both!

FYI

Here's a cool PowerShell module for using the Guacamole API: https://github.com/UpperM/guacamole-powershell

Does not work if you have MFA turned on (however, you can authenticate via the gui and get a token to use it that way).

How to Run:

Download file directly from here:

wget https://git.io/fxZq5 -O guac-install.sh

Make it executable:

chmod +x guac-install.sh

Run it as root:

Interactive (asks for passwords):

./guac-install.sh

Non-Interactive (values provided via cli):

./guac-install.sh --mysqlpwd password --guacpwd password --nomfa --installmysql

OR

./guac-install.sh -r password -gp password -o -i

Once installation is done you can access Guacamole by browsing to: http://<host_or_ip>:8080/guacamole/ The default credentials are guacadmin as both username and password. Please change them or disable guacadmin after install!

guac-upgrade

Script for upgrading currently installed Guacamole instance (previously installed via this script/guide). This will also now update the TOTP or Duo extensions if used.

If looks for the tomcat folder in /etc/ (E.G. /etc/tomcat7 or /etc/tomcat8) hopefully that works to identify the correct tomcat version/path 😄 I'm open to suggestions/pull requests for a cleaner method.

All Switches

Install MySQL:

-i or --installmysql

Do NOT install MySQL:

-n or --nomysql

MySQL Host:

-h or --mysqlhost

MySQL Port:

-p or --mysqlport

MySQL Root Password:

-r or --mysqlpwd

Guacamole Database:

-db or --guacdb

Guacamole User:

-gu or --guacuser

Guacamole User Password:

-gp or --guacpwd

No MFA (No TOTP + Duo):

-o or --nomfa

Install TOTP:

-t or --totp

Install Duo:

-d or --duo

NOTE: Only the switches for MySQL Host, MySQL Port and Guacamole Database are available in the upgrade script.

WARNING

  • Upgrading from versions older than a couple dot fixes ago have not been tested with this script, use at your own risk and take backups first!

How to Upgrade:

Download file directly from here:

wget https://raw.githubusercontent.com/MysticRyuujin/guac-install/master/guac-upgrade.sh

Make it executable:

chmod +x guac-upgrade.sh

Run it as root:

Interactive (asks for passwords):

./guac-upgrade.sh

Non-Interactive (MySQL root password provided via cli):

./guac-upgrade.sh --mysqlpwd password

Post Installation - Reverse Proxies

Make sure that you configure your reverse proxy (NGinx or Apache) as per the Official Documentation

For Nginx:

location /guacamole/ {
    proxy_pass http://HOSTNAME:8080/guacamole/;
    proxy_buffering off;
    proxy_http_version 1.1;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection $http_connection;
    access_log off;
}

For Apache:

<Location /guacamole/>
    Order allow,deny
    Allow from all
    ProxyPass http://HOSTNAME:8080/guacamole/ flushpackets=on
    ProxyPassReverse http://HOSTNAME:8080/guacamole/
</Location>

NOTE: SSH doesnt work with Ubuntu 22.04:

Guacamole only supports ssh-dss and ssh-rsa, and both have been disabled in Ubuntu 22.04.

In the meantime a workaround is adding HostKeyAlgorithms +ssh-rsa to the end of /etc/ssh/sshd_config on the Ubuntu machine and restart sshd.

⚠️ use at your own risk! ⚠️