@Lou Richard Good to know that the issue is resolved. It will be great if you can mark this HCC thread as Answered by clicking on the "Accept" Button. That way other HCC users can quickly find the solution when they encounter the same issue. As it was a long thread hence i am writing a brief summary for the HCC users who might encounter this issue and can quickly find the answer. Issue: Atlas Installation Was failing with the following error: File "/usr/hdp/2.6.1.0-129/atlas/bin/atlas_config.py", line 232, in runProcess p = subprocess.Popen(commandline, stdout=stdoutFile, stderr=stderrFile, shell=shell) File "/usr/lib64/python2.7/subprocess.py", line 711, in __init__ errread, errwrite) File "/usr/lib64/python2.7/subprocess.py", line 1327, in _execute_child raise child_exceptionOSError: [Errno 2] No such file or director . Solution: Making sure that the JAVA_HOME is set correctly on the host and it is pointing to a valid JDK (not JRE) and setting the JAVA_HOME properly inside the global environment variable. # cd /usr/hdp/2.6.1.0-129/atlas/server/webapp/ # mv atlas ../ # /usr/lib/jvm/jre-1.8.0-openjdk/bin/jar -xf atlas.war . Cause: "jar" utility comes with JDK (inside $JAVA_HOME/bin) which is being used by the "atlas_config.py" script to extract the atlas.war. ... View more