[Solved in Debian] [Solved in Knoppix] Thank you, dear illustrious List leaders and members, who allowed my post to the User List at the link: https://lists.debian.org/debian-user/2020/06/msg01207.html, raed(read) it, raed the post on the Debian forum at the link given there: http://forums.debian.net/viewtopic.php?f=7&t=146606&p=722991 and thus supported me. Regards, Rajib Etc.