Try to install Talend and have this error msg :
No protocol specified
TOS_DI-linux-gtk-x86_64: Cannot open display:
A Java Runtime Environment (JRE) or Java Development Kit (JDK)
must be available in order to run TOS_DI-linux-gtk-x86_64. No Java virtual machine
was found after searching the following locations:
java in your current PATH
You should download and install recommended Java Environment to use your Talend product.
Please have a look at this online documentation about:TalendHelpCenter:Compatible Java Environments.