Setting up IBM Installation Manager and WAS ND 8.5.5.0 on Linux silently using the imcl tool is efficient and ideal for automation. Here's how you can do it:

Step 1: Prepare the Environment

Ensure Java and necessary libraries (like glibc) are installed on your Linux server.

Step 2: Download Installation Manager

1. Visit the IBM Installation Manager download page.

2. Extract the package:

tar -xzf agent.installer.linux.gtk.x86_64_1.8.5.zip

Step 3: Install Installation Manager

Run the silent installer:

./installc -acceptLicense

Step 4: Install WebSphere Application Server

Use the imcl command to install WebSphere Application Server:

1. List available packages:

./imcl listAvailablePackages

2. Install WebSphere ND:

./imcl install com.ibm.websphere.ND.v85_8.5.5000 -repositories <path_to_repository> -acceptLicense

Step 5: Verify Installation

Run the following to verify the installation:

<WAS_INSTALL_DIR>/bin/versionInfo.sh