fix the permission deny issue in SSD cache

Remove invalid cudapath option from the installation script

add qos in the scripts of creating lanes

script added for removing old lanes

scripts updated for the new stack at IZAR

use cuda 11.6.2

updates on install and lane create

force allocation to 1 node in lanes

scripts added and modified

cache parameters corrected

Read passwd from user's input

comment out "source bashrc"