backup the whole wallet directory cyto_wallet? How do I do this? I'm not so learned at using linux and I generated the wallet using a vps on my google cloud free trial which will expire in a few weeks. Please how do I make sure I don't lose my wallet after my trial expires? I should be able to run commands to obtain my private keys, mnemonics or wallet seed.
You don't need to back it up, but you should. You just need it later in order to receive your airdrop when we launch the network. The wallet contains your private key, which you need to access your airdrop. You provided us your public key (airdrop address) when you joined the airdrop.
To backup the directory, something like this...
tar czvf cyto_wallet.tar.gz cyto_wallet
then ask your vps provider for help on how to download cyto_wallet.tar.gz
once you download it, save it somewhere safe on your computer