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Ubuntu Janssen Installation#

Before you install, check the VM system requirements.

Supported Versions#

  • Ubuntu 20.04

Install the Package#

  • Download the release package from the Github Janssen Project Releases
wget -P /tmp
  • Verify integrity of the downloaded package by verifying published sha256sum.

    Download sha256sum file for the package

    wget -P /tmp

    Check the hash if it is matching.

    sha256sum -c /tmp/jans_replace-janssen-version.ubuntu20.04_amd64.deb.sha256sum

    Output similar to below should confirm the integrity of the downloaded package.

    <package-name>: OK
  • Install the package

apt install -y /tmp/jans_replace-janssen-version.ubuntu20.04_amd64.deb

Run the setup script#

  • Run the setup script in interactive mode:
python3 /opt/jans/jans-setup/

See more detailed instructions on the setup script if you're confused how to answer any of the questions, for details about command line arguments, or you would prefer to use a properties file instead of interactive mode.

Verify the Installation#

After the successful completion of setup process, verify the system health.

Ubuntu Janssen Un-Installation#

Removing Janssen is a two step process:

  1. Delete files installed by Janssen
  2. Remove and purge the jans package

Use the command below to uninstall the Janssen server

python3 /opt/jans/jans-setup/ -uninstall

You'll see the following confirmation:

This process is irreversible.
You will lose all data related to Janssen Server.

Are you sure to uninstall Janssen Server? [yes/N] yes

Uninstalling Jannsen Server...
Removing /etc/default/jans-config-api
Stopping jans-config-api
Removing /etc/default/jans-scim
Stopping jans-scim
Removing /etc/default/jans-fido2
Stopping jans-fido2
Removing /etc/default/jans-auth
Stopping jans-auth
Removing /etc/default/jans-client-api
Stopping jans-client-api
Stopping OpenDj Server
Executing rm -r -f /etc/certs
Executing rm -r -f /etc/jans
Executing rm -r -f /opt/jans
Executing rm -r -f /opt/amazon-corretto*
Executing rm -r -f /opt/jre
Executing rm -r -f /opt/node*
Executing rm -r -f /opt/jetty*
Executing rm -r -f /opt/jython*
Executing rm -r -f /opt/opendj
Executing rm -r -f /opt/dist
Removing /etc/apache2/sites-enabled/https_jans.conf
Removing /etc/apache2/sites-available/https_jans.conf

The command below removes and purges the jans package

apt-get --purge remove jans

Which should result in the following:

Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages were automatically installed and are no longer required:
  apache2 apache2-bin apache2-data apache2-utils libapr1 libaprutil1 libaprutil1-dbd-sqlite3 libaprutil1-ldap liblua5.2-0 python3-distutils python3-ldap3 python3-lib2to3 python3-prompt-toolkit
  python3-pyasn1 python3-pygments python3-pymysql python3-ruamel.yaml python3-wcwidth
Use 'sudo apt autoremove' to remove them.
The following packages will be REMOVED:
0 upgraded, 0 newly installed, 1 to remove and 124 not upgraded.
After this operation, 1,257 MB disk space will be freed.
Do you want to continue? [Y/n] y
(Reading database ... 166839 files and directories currently installed.)
Removing jans (replace-janssen-version~ubuntu20.04) ...
Checking to make sure service is down...

Last update: 2023-01-13
Created: 2022-05-18