Expanding Linux Live Partition Size

Hi Guys,

I'm new to Linux and Kali Linux so i have faced some troubles creating my persistent USB.

1st i created it without any troubles, it worked fine and there was no problem, so I booted it and tried

Code:

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apt-get dist-upgrade

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so that it would have the newest Upgrades. But it told me he wouldn't have enough space left. So I wanted to expand the size of the partition.

After some research I tried it with gparted and there are 2 Partitions (sdb1 2.??GB; sdb2, 115MB) If I'm right i need to expand the first one but gparted can't do it because he cant read the format (it is unmounted) but the 2nd Partition can be read, moved and expanded. I can only expand the 1st Partition when i format it first but then is all the data gone, as we know. But i still tried to format it to fat32, expand to 4GB and than use the command

Code:

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dd if=FILE.iso of=/dev/sdb1 bs=512k

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to directly use the bigger partition. That was when i couldn't boot the USB anymore.

My Questions are now:
When i create an encrypted persistent USB will the upgrades even stay?

Code:

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apt-get upgrade, apt-get update, apt-get dist-update

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Does I need to expand the 1st Partition to create more space for the Updates? If Yes, how can I do this?


Thanks Guys!!