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Install Occlum with Popular Package Managers

Occlum can be easily installed with popular package managers like APT and RPM. This document walks you through the steps to install Occlum on popular Linux distributions like Ubuntu and CentOS using package managers.

Prerequisite

Install enable_RDFSBASE Kernel Module

If the Kernel version is before v5.9, please follow this README to install enable_rdfsbase kernel module.

Install Occlum with RPM on CentOS 8.2

Occlum stops the support for CentOS 8.2 since 0.27.0. Future RPM support might be developed and evaluated on different Linux distributions. Please let us know if you are interested in this feature.

Install Occlum with APT on Ubuntu 20.04

Occlum starts to support Ubuntu 20.04 since 0.27.0.

  1. Install Prerequisite
apt-get update
DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends ca-certificates gnupg2 jq make gdb wget libfuse-dev libtool tzdata
  1. Install Intel® SGX Driver and Intel® SGX PSW

Please follow Intel SGX Installation Guide to install SGX driver and SGX PSW. SGX SDK is not required. Using PSW installer is recommanded.

To install PSW, follow the guide to add Intel® SGX repository to APT source. And then run:

apt-get update
apt-get install -y libsgx-dcap-ql libsgx-epid libsgx-urts libsgx-quote-ex libsgx-uae-service libsgx-dcap-quote-verify-dev

After installing PSW, please make sure aesm service is in active (running) state by checking:

service aesmd status
  1. Install Occlum
echo 'deb [arch=amd64] https://occlum.io/occlum-package-repos/debian focal main' | tee /etc/apt/sources.list.d/occlum.list
wget -qO - https://occlum.io/occlum-package-repos/debian/public.key | apt-key add -
apt-get update
apt-get install -y occlum
echo "source /etc/profile" >> $HOME/.bashrc

Hello World Test

You are all set. Now, let's run a hello world test:

cd /tmp && wget https://raw.githubusercontent.com/occlum/occlum/master/demos/hello_c/hello_world.c
occlum-gcc -o hello_world hello_world.c
occlum new occlum-instance
cp hello_world /tmp/occlum-instance/image/bin
cd /tmp/occlum-instance && occlum build
occlum run /bin/hello_world

Version Compatability Matrix

When version is not specified, Occlum with the latest version will be installed. If a user would like to evaluate an older version, please make sure the corresponding Intel® SGX PSW is installed.

The matrix below shows the version compatability since Occlum 0.16.0. Please check before installing or upgrading.

Occlum Version SGX PSW Version Tested under Ubuntu Tested under CentOS
0.16.0 2.11 18.04 8.1
0.17.0 2.11 18.04 8.1
0.18.1 2.11 18.04 8.1
0.19.1 2.11 18.04 8.1
0.20.0 2.11 18.04 8.1
0.21.0 2.13 18.04 8.2
0.23.1 2.13.3 18.04 8.2
0.24.1 2.14 18.04 8.2
0.25.0 2.14 18.04 8.2
0.26.0 2.14 18.04 8.2
0.26.1 2.15.1 18.04 8.2
0.27.0 2.15.1 20.04 \
0.28.0 2.16 20.04 \

For more information about the packages, please checkout here.