appvm/README.md

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# Nix application VMs: security through virtualization
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Simple application VMs (hypervisor-based sandbox) based on Nix package manager.
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Uses one **read-only** /nix directory for all appvms. So creating a new appvm (but not first) is just about one minute.
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![appvm screenshot](screenshots/2018-07-05.png)
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## Installation
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### Requirements
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$ sudo apt install virt-manager curl git
$ sudo usermod -a -G libvirt $USER
$ newgrp libvirt
$ echo user = "\"$USER\"" | sudo tee -a /etc/libvirt/qemu.conf
$ sudo systemctl restart libvirtd
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### Install Nix package manager
$ sudo mkdir -m 0755 /nix && sudo chown $USER /nix
$ curl https://nixos.org/nix/install | sh
$ . ~/.nix-profile/etc/profile.d/nix.sh
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### Install appvm
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$ nix-env -if https://code.dumpstack.io/tools/appvm/archive/master.tar.gz
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## Usage
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### Search for applications
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$ appvm search chromium
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### Run application
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$ appvm start chromium
$ # ... long wait for first time, because we need to collect a lot of packages
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### Synchronize remote repos for applications
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$ appvm sync
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You can customize local settings in **~/.config/appvm/nix/local.nix**.
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Default hotkey to release cursor: ctrl+alt.
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### Shared directory
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$ ls appvm/chromium
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foo.tar.gz
bar.tar.gz
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### Close VM
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$ appvm stop chromium
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### Automatic ballooning
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Add this command:
$ appvm autoballoon
to crontab like that:
$ crontab -l
* * * * * /home/user/dev/go/bin/appvm autoballoon