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Show HN: Kvass, a personal key-value store
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Show HN: Kvass, a personal key-value store 

# simple usage
$ kvass set hello world
$ kvass get hello
world

# enumerate keys
$ kvass ls
hello

# store arbitrary files
$ kvass set logo  kvass.jpg
$ kvass get logo > kvass.jpg


# Its trivial to set up and operate kvass across multiple devices
$ ssh you@yourserver.com kvass config show

Encryption Key:  	5abf59f5f1a2f3c998a4f592ce081a23e14a68fd8a792259c6ec0fc1e8fb1246  # 
ProcessID:       	752176921
Remote:          	(None)

$ kvass config key 5abf59f5f1a2f3c998a4f592ce081a23e14a68fd8a792259c6ec0fc1e8fb1246 # set the same key for all your devices
$ kvass config remote yourserver.com:8000 # tell kvass where to find the server instance

# run "kvass serve" on your server using systemd, screen or the init system of your choice. (runit, anyone?)

# every set will now be broadcasted to the server
$ kvass set "hello from the other side" hello
$ ssh you@yourserver kvass get "hello from the other side"
hello

# and every get will check the server for updates
$ ssh you@yourserver kvass set hello 👋
$ kvass get hello
👋

# Good to know: All communication between the client and server is authenticated and encrypted using AES-256 GCM.

# remember the file we stored earlier? Let's get a shareable url for it!
$ kvass url logo
http://demo.maxnagy.com:8000/get?q=OQMwTQmFCz6xiWxFxt4Mkw

# you can also print the corresponding qr code directly to your terminal
kvass qr logo

# run kvass without arguments to get a nice cheat sheet of supported commands
$ kvass
kvass [--db=string]

Description:
    kvass - a personal KV store

Options:
        --db       the database file to use (default: ~/.kvassdb.sqlite)

Sub-commands:
    kvass ls       list keys
    kvass get      get a value
    kvass set      set a value
    kvass rm       remove a key
    kvass url      show shareable url of an entry
    kvass qr       print shareable qr code of entry to console
    kvass config   set config parameters
    kvass serve    start in server mode

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