Linux Sensor installs in bypass when using tcsh command line shell

Products

• Carbon Black Cloud Endpoint Standard (formerly Cb Defense)
• Carbon Black Cloud Enterprise EDR (formerly Cb Threathunter)

Issue/Introduction

• Linux Sensor installs in bypass when using tcsh command line shell
• The following errors are observed during sensor install and special characters may be striped from the Company Code (if present)

Unable to decipher provided registration code: XXXXXXX: Event not found.
An error occurred during registration (failed to decipher registration code: XXXXXXX: Event not found.

Environment

• Carbon Black Linux Sensor: All Supported Versions
• Linux: All Supported Versions

Cause

This issue happens because tcsh command line shell may strip special characters (e.g. exclamation point) from the company code

Resolution

Install the sensor using a bash command line shell

Additional Information

"unable to decipher provided registration code" may also occur in some cases if using single quotes instead of doubles