How to Install OpenDJ on Void Linux

OpenDJ is an open-source LDAP directory server developed by ForgeRock. In this tutorial, we will guide you through the process of installing OpenDJ on Void Linux.

Prerequisites

Before you begin, ensure you have the following:

• A working installation of Void Linux
• Superuser access (root)

Step 1: Download OpenDJ

First, download the latest version of OpenDJ from the ForgeRock website by running the following command in your terminal:

wget https://backstage.forgerock.com/downloads/opendj/latest

Or you can also use curl command to download:

curl -OJ https://backstage.forgerock.com/downloads/opendj/latest

Step 2: Extract the Archive

Once the archive is downloaded, navigate to the directory where the file was downloaded and extract its contents using the following command:

tar -zxvf OpenDJ-*.zip

Or, use the following command if you have downloaded the tarball:

tar -xvf OpenDJ-*.tar.gz

The above commands will extract the contents of the OpenDJ archive to a folder named opendj.

Step 3: Configure OpenDJ

To configure OpenDJ, navigate to the extracted directory and run the setup command:

cd opendj
./setup

This will start the OpenDJ setup wizard. Follow the on-screen prompts to configure OpenDJ, such as setting the base DN, administrator account, and password.

Step 4: Start OpenDJ

Once the configuration is complete, start the OpenDJ server by running the following command:

./bin/start-ds

You should see output similar to the following:

[21/Oct/2021:16:20:15 UTC] category=CORE severity=NOTICE msgID=20372586 
msg=OpenDJ 4.0.0-SNAPSHOT (build 20211008-893aeb40a6e8) starting up
[21/Oct/2021:16:20:15 UTC] category=CORE severity=NOTICE msgID=20372584 msg=The root user 
has been created (DN: cn=Directory Manager).
[21/Oct/2021:16:20:15 UTC] category=CORE severity=NOTICE msgID=20372585 msg=The server 
has started and is listening on port 1389 (LDAP) and 1636 (LDAPS).

This means that the OpenDJ server is running and listening on ports 1389 and 1636.

Step 5: Verify OpenDJ

To verify that OpenDJ is running properly, you can use the ldapsearch command to query the OpenDJ directory:

ldapsearch -p 1389 -D "cn=Directory Manager" -w <password> -b "dc=example,dc=com"

Replace <password> with the password you set for the Directory Manager account during the setup process. Replace dc=example,dc=com with your own base DN that you specified during setup.

If everything is working correctly, you should see output similar to the following:

# extended LDIF
#
# LDAPv3
# base <dc=example,dc=com> with scope subtree
# filter: (objectclass=*)
# requesting: ALL
#

# example.com
dn: dc=example,dc=com
objectClass: top
objectClass: domain
dc: example

# admin, example.com
dn: cn=admin,dc=example,dc=com
objectClass: simpleSecurityObject
objectClass: organizationalRole
cn: admin
userPassword:: e1NTSEF9NkFLVTNGREVMbjJPSzlnTWpPUWVJSmFLaGFXcEk1Q2c=

# search result
search: 2
result: 0 Success

# numResponses: 3
# numEntries: 2

Congratulations! You have successfully installed and configured OpenDJ on Void Linux.

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