Cloud Agent for Linux - Qualys

Cloud Agent for Linux

Installation Guide

June 5, 2023

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Table of Contents

Preface................................................................................................................. 5

About Qualys ........................................................................................................................... 5 Contact Qualys Support .......................................................................................................... 5

Get Started ......................................................................................................... 6

Qualys Cloud Agent Introduction .......................................................................................... 6 Cloud Agent Platform Availability for Linux ........................................................................ 6 A few things to consider... ...................................................................................................... 6

Cloud Agent requirements ............................................................................................... 6 What are the installation steps? ..................................................................................... 7 Run as user and user's default group ............................................................................. 7 Need help with troubleshooting? .................................................................................... 7 Privileges - what are my options? .......................................................................................... 7 Considerations to Select an Option ................................................................................. 8

Installation ........................................................................................................ 10

Tips and best practices ......................................................................................................... 10 How to download Agent Installer ........................................................................................ 11 Installation steps ................................................................................................................... 13

What you'll need ............................................................................................................. 13 Steps to install Agents .................................................................................................... 13 Install Agents in Gold Images ........................................................................................ 14 Relocation with Linux RPM Installer ............................................................................. 14 What happens next? ....................................................................................................... 15 Troubleshooting .............................................................................................................. 15 Proxy configuration ............................................................................................................... 16 Multiple Proxy Server support in Proxy URL (Linux Agent 2.5 or later) .......................... 17 Anti-Virus and HIPS Exclusions ........................................................................................... 18 Using the hostid from previous installation ....................................................................... 19

Configuration Tool......................................................................................... 20

Command line options ......................................................................................................... 20 Use cases ................................................................................................................................ 24

On Demand Scan ............................................................................................25

Best Practices ..................................................................................................27

Upgrading Cloud Agent ......................................................................................................... 27 Uninstalling Cloud Agent ..................................................................................................... 27 Agentless Tracking and Cloud Agents ................................................................................ 28

Known Issues ...................................................................................................29 Certificate Support on RHEL 5.4 ................................................................30 Certificate Support on SUSE Linux Enterprise 11 .................................... 32 Proxy Configuration Encryption Utility ..................................................... 33

Preface About Qualys

Preface

Welcome to Qualys Cloud Agent for Linux. This user guide describes how to install cloud agents on hosts in your network.

About Qualys

Qualys, Inc. (NASDAQ: QLYS) is a pioneer and leading provider of cloud-based security and compliance solutions. The Qualys Cloud Platform and its integrated apps help businesses simplify security operations and lower the cost of compliance by delivering critical security intelligence on demand and automating the full spectrum of auditing, compliance and protection for IT systems and web applications. Founded in 1999, Qualys has established strategic partnerships with leading managed service providers and consulting organizations including Accenture, BT, Cognizant Technology Solutions, Deutsche Telekom, Fujitsu, HCL, HP Enterprise, IBM, Infosys, NTT, Optiv, SecureWorks, Tata Communications, Verizon and Wipro. The company is also a founding member of the Cloud Security Alliance (CSA). For more information, please visit .

Contact Qualys Support

Qualys is committed to providing you with the most thorough support. Through online documentation, telephone help, and direct email support, Qualys ensures that your questions will be answered in the fastest time possible. We support you 7 days a week, 24 hours a day. Access support information at support/.

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