Tag Archives: Ubuntui

  • -

Citrix Workspace App for Linux: How to trust a CA certificate?

Category:Citrix,Linux Tags : 


This article’s objective is to describe the steps involved in trusting a CA certificate in Citrix Workspace App for Linux.

Under Ubuntu / Kubuntu, after installed Citrix Workspace App for Linux, you can get this kind off error, if the certificate is not trusted by the Workspace.

13.04 - Certificate error when using Citrix Receiver - Ask Ubuntu
Citrix Workspace: Fix "You have not chosen to trust 'Entrust Root  Certification Authority'… (SSL error 61)" error on Linux | Name Reserved


  1. Download CA certificate in PEM format. 
  2. Save the certificate with .crt file extension. 
  3. Switch to root user and copy the .crt CA certificate file to /opt/Citrix/ICAClient/keystore/cacerts/ folder. 
  4. Make sure the CA certificate file is owned by Root user and Group, and it has -rw-r–r– or 644 as the File permissions. 
  5. Run  /opt/Citrix/ICAClient/util/ctx_rehash 

Note: Location of /opt/Citrix/ICAClient/keystore/cacerts/ and /opt/Citrix/ICAClient/util/ctx_rehash may vary depending on the distribution and location you would be installing Citrix Worskpace App for Linux. Above location is on default Ubuntu Distribution installation directory /opt/Citrix/ICAClient/