Install Linux Dependency Packages for Horizon Agent

Horizon Agent for Linux has some dependency packages unique to a Linux distribution. You must install these packages before installing Horizon Agent for Linux.

Prerequisites

Verify that a new virtual machine (VM) is created in vCenter Server and your Linux distribution is installed on the machine.

Procedure

• Install the mandatory packages that are not installed or upgraded by default. If any package does not meet the requirement, the agent installer stops the installation.

  Mandatory Dependency Packages

  Linux Distribution	Packages
  RHEL 8.x and Rocky Linux 8.x	Install the libappindicator-gtk3 and nss-tools packages. sudo yum install libappindicator-gtk3 sudo yum install nss-tools Note: If the yum command does not work, you can try the dnf package manager instead. sudo dnf install libappindicator-gtk3 sudo dnf install nss-tools RHEL 8.1 and Rocky Linux 8.10 If there is low entropy, run the following command: cat /proc/sys/kernel/random/entropy_avail If the entropy value is less than 1,000, install and enable rngd using the following commands: sudo dnf install rng-tools sudo systemctl enable --now rngd
  RHEL and Rocky Linux 9.x	Install the nss-toolspackage. Optionally, install the libappindicator-gtk3 package if using the Session Collaboration Feature. sudo dnf install libXScrnSaver nss-tools pulseaudio-utils Option 1: To install the libappindicator-gtk3 package and also enable the Extra Packages for Enterprise Linux (EPEL), run the following commands. sudo yum -y install https://dl.fedoraproject.org/pub/epel/epel-release-latest-9.noarch.rpm yum install libappindicator-gtk3 Option 2: To install the libappindicator-gtk3 package without enabling EPEL, run the commands shown in the following example. Note: The package version numbers shown in the following example might differ from the actual versions provided at https://dl.fedoraproject.org/pub/epel/9/. Where applicable, replace the example version numbers with the actual version numbers. sudo yum install https://dl.fedoraproject.org/pub/epel/9/Everything/x86_64/Packages/l/libdbusmenu-16.04.0-19.el9.x86_64.rpm sudo yum install https://dl.fedoraproject.org/pub/epel/9/Everything/x86_64/Packages/l/libdbusmenu-gtk3-16.04.0-19.el9.x86_64.rpm sudo yum install https://dl.fedoraproject.org/pub/epel/9/Everything/x86_64/Packages/l/libindicator-gtk3-12.10.1-22.el9.x86_64.rpm sudo yum install https://dl.fedoraproject.org/pub/epel/9/Everything/x86_64/Packages/l/libappindicator-gtk3-12.10.0-33.el9.x86_64.rpm
  Debian	Install the gnome-shell-extension-appindicator and libnss3-tools packages. sudo apt-get install -y gnome-shell-extension-appindicator sudo apt-get install -y libnss3-tools
  Ubuntu	Install the libnss3-tools package. sudo apt-get install -y libnss3-tools
  SUSE	Install the mozilla-nss-tools package. sudo zypper install mozilla-nss-tools