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Hello @Balaraju

 

Step 3: In the documentation for Cortex XDR Agent for Linux Requirements, the bullet point “Verify you have standard Unix programs installed” refers to the information listed in the Software packages section. For RHEL, this includes:

 

  • ca-certificates
  • openssl 1.0.0 or a later release
  • Distributions with SELinux in enforcing or permissive mode:
    • Red Hat Enterprise Linux 6, CentOS 6, and Oracle Linux 6—policycoreutils-python
    • Red Hat Enterprise Linux 7, CentOS 7, and Oracle Linux 7—policycoreutils-python and selinux-policy-devel
    • SUSE—policycoreutils-python and selinux-policy-devel
    • Debian and Ubuntu—policycoreutils and selinux-policy-dev
  • glibc—Required for exploit protection of containerized processes using the ROP Mitigation and Brute Force Protection modules. If glibc is not installed, the modules are disabled but all other exploit and malware protection functionality work as expected.

 

The shell installer will check for the required packages prior to agent installation as well. If the pre-requisites are not met, the installation will not succeed as seen in the following attempt: 

mfakhouri_0-1661444750767.png

 

 

Step 4:  ca-certificates is a Linux package that contains digital certificates authorized by the certificate authority used when browsing the web (further reading: https://www.redhat.com/sysadmin/ca-certificates-cli)

 

The package ca-certificates is typically installed by default on RHEL distributions. To confirm, enter the command “rpm -qa | grep ca-certificates” into your terminal to search for the package:

mfakhouri_1-1661444750693.png

 

If there is no output, then the package is not installed. Ca-certificates can be installed with “sudo yum install ca-certificates” in the terminal.

 

To properly install the Cortex XDR agent on RHEL distributions, please review the Cortex XDR Linux Requirements and Install the Cortex XDR Agent for Linux documentation prior to installation.

 

https://docs.paloaltonetworks.com/cortex/cortex-xdr/7-5/cortex-xdr-agent-admin/cortex-xdr-agent-for-...

https://docs.paloaltonetworks.com/cortex/cortex-xdr/7-5/cortex-xdr-agent-admin/cortex-xdr-agent-for-...

 

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