Hi @volsebna , are you able to upload a screenshot of how you have the local update sites configured in KNIME,
I have a copy of 4.6.4 installed on a VM which had similar limitations as you describe, and this is how my update sites were configured on it:
and on the hard drive, this was the local copies of the various archives:
This is obviously on windows rather than linux but maybe it can give some pointers?