7. CISCO CML CSR1000v guestshell to get into linux
https://www.cisco.com/c/en/us/td/docs...
The minimum system requirement for CSR 1000v and ISRv is 4GB RAM.
but CSR1000v in CML is 3GB by default
If you are using CSR1000v release 16.10.1 or late, the Cisco CSR 1000v/ Cisco ISRv support activation using
Cisco Smart Licensing
Router(config)#iox
Router(config)#app-hosting appid guestshell
Router(config-app-hosting)#app-vnic management guest-interface 0
Router#guestshell enable
Router#guestshell run bash
[guestshell@guestshell ~]$
MiB Mem : 3880.7 total, 36.1 free, 1722.9 used, 2121.7 buff/cache