I've not read everything ... but so far what I've read there has turned out to be a loss of time:
Adding Persistence to a Kali Linux “Live” USB Drive
Quote:
your USB drive has a capacity of at least 8GB — the Kali Linux image takes over 3GB, and for this guide, we’ll be creating a new partition of about 4GB to store our persistent data in.
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I did that and was left over with 4.7Gb pf persistent storage. I then went on to get openvas working according to
Setting up Kali for Vulnerability Scanning
Quote:
root@kali:~# apt-get update
root@kali:~# apt-get dist-upgrade
root@kali:~# apt-get install openvas
root@kali:~# openvas-setup
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The dist-upgrade failed after over 16 hours of downloading and installing (yes my usb stick is a cheap slow one) dew to insufficient space (damn it I was using the advised minimum storage capacity) ... no wonder the live part does not get updated it all goes on the persistent storage and there were something like 900 packages to be updated (as of kali 2016.1). That's what you get from turning a live system meant for a CD/DVD into a live for USB.
I then installed on a VM ... the upgrade process was much quicker but still had issues with getting openvas working:
- Could not get green house security assistant to listen on VM's IP intead of localhost (never mind I'll use locally via vnc)
- Could not get vncserver to work right (ok I'll use it from the vmware console)
- Could not get the generated password to work nor any of the ones I subsequently assigned to admin (opened up rsync port on firewall,re dist-upgrade and openvas-setup and got the password working)
- Cannot scan hosts ... allways get "Internal Error"
Even if I could install it in the 11Gb I have spare I'm not going to do that because it's been a big waste of time so far !
In any case on the VM after the dist-upgrade, install and setup openvas 12,899Mb of disk space were used ... (11,128Mb after cleaning apt cache).
Maybe the kali team should be suggesting that the minimum usb stick for using persistent live should be 16Gb

I appreciate the kali team working on an appealing desktop environment (it even runs on wayland) but since it's a network security oriented distro I think it's more important to get the network security tools working right and effort-less rather then the looks of the gui.