Merge pull request #1414 from jasonrandrews/review

Update Arm Compiler for Linux install guide

Author: jasonrandrews

content/install-guides/acfl.md

@@ -142,6 +142,33 @@ install takes place **after** ACfL, you will no longer be able to fully
 uninstall ACfL.
 {{% /notice %}}
 
+## Download and install using System Packages - Ubuntu Linux
+
+Arm Compiler for Linux is available to install with the Ubuntu system package manager `apt` command.
+
+### Setup the ACfL package repository:
+
+Add the ACfL `apt` package repository to your Ubuntu 20.04 or 22.04 system:
+
+```bash { target="ubuntu:latest" }
+sudo apt update
+sudo apt install -y curl
+source /etc/os-release
+curl "https://developer.arm.com/packages/ACfL%3A${NAME}-${VERSION_ID/%.*/}/${VERSION_CODENAME}/Release.key" | sudo tee /etc/apt/trusted.gpg.d/developer-arm-com.asc
+echo "deb https://developer.arm.com/packages/ACfL%3A${NAME}-${VERSION_ID/%.*/}/${VERSION_CODENAME}/ ./" | sudo tee /etc/apt/sources.list.d/developer-arm-com.list
+sudo apt update
+```
+
+The ACfL Ubuntu package repository is now ready to use.
+
+### Install ACfL
+
+Download and install Arm Compiler for Linux with:
+
+```bash { target="ubuntu:latest" }
+sudo apt install acfl
+```
+
 ### Set up environment
 
 Arm Compiler for Linux uses environment modules to dynamically modify your user environment. Refer to the [Environment Modules documentation](https://lmod.readthedocs.io/en/latest/#id) for more information.