Review basics of Cisco ASA.
Refer GNS Notes to get Cisco ASAv image.
Remember to use wired NIC adapter with Cloud in GNS3, otherwise use NAT (instead of Cloud) if you connect to home broadband router via wireless.
printenv - print all or part of environment NAME printenv - print all or part of environment SYNOPSIS printenv [OPTION]... [VARIABLE]... DESCRIPTION Print the values of the specified environment VARIABLE(s). If no VARIABLE is speci‐ fied, print name and value pairs for them all. -0, --null end each output line with NUL, not newline --help display this help and exit --version output version information and exit NOTE: your shell may have its own version of printenv, which usually supersedes the version described here. Please refer to your shell's documentation for d...