# Installation

For now, you can either install the daemon from source, or use the released binaries.

## Prerequisites

Since Cedana depends on [CRIU](https://criu.org), you will need to ensure its dependencies are installed.

#### Using apt (Ubuntu/Debian)

```sh
apt-get install -y libnet-dev libprotobuf-c-dev libnl-3-dev libbsd-dev libcap-dev libseccomp-dev libgpgme11-dev libnftables-dev
```

#### Using dnf/yum (Fedora/CentOS)

```sh
yum install -y libnet-devel protobuf-c-devel libnl3-devel libbsd-devel libcap-devel libseccomp-devel gpgme-devel nftables-devel
```

## Download latest release

{% hint style="info" %}
Cedana is supported on both linux/amd64 and linux/arm64 platforms.
{% endhint %}

Using public installer:

```sh
curl -fsSL https://github.com/cedana/cedana/releases/latest/download/install-release.sh | sudo -E bash
```

Using authenticated installer (see [Authentication](https://docs.cedana.ai/daemon/get-started/authentication)):

```sh
export CEDANA_URL=https://myorg.cedana.ai/v1
export CEDANA_AUTH_TOKEN=your_auth_token

curl -fsSL ${CEDANA_URL}/install?version=latest -H "Authorization: Bearer ${CEDANA_AUTH_TOKEN}" | sudo -E bash
```

{% hint style="info" %}
You can also find the latest binaries at [releases](https://github.com/cedana/cedana/releases). Ensure `/usr/local/bin` is in your `PATH`.
{% endhint %}

## Build from source

Clone the [cedana repository](https://github.com/cedana/cedana) and navigate into it.

#### Build

```sh
make cedana
```

#### Install

```sh
make install
```

{% hint style="info" %}
Try `make help` to see all available targets.
{% endhint %}

## Install CRIU

{% hint style="success" %}
To install a plugin from the online registry, you need to be [authenticated](https://docs.cedana.ai/daemon/get-started/authentication). See [plugins](https://docs.cedana.ai/daemon/get-started/plugins) for more information.
{% endhint %}

A modified version of CRIU is shipped as a plugin for Cedana, so you don't need to install it separately. You can simply do:

```sh
sudo cedana plugin install criu
```

This version of CRIU is not a requirement for Cedana, but it is recommended for certain features, such as [checkpoint/restore streamer](https://docs.cedana.ai/daemon/checkpoint-restore/cr-4).

{% hint style="info" %}
To install CRIU independently, see the [CRIU installation guide](https://criu.org/Installation).
{% endhint %}

## Start the daemon

{% hint style="warning" %}
The daemon requires root privileges for checkpoint/restore operations. Check the [CLI reference](https://docs.cedana.ai/daemon/references/cli/cedana) for all options.
{% endhint %}

#### Direct

You can directly start the daemon with:

```sh
sudo cedana daemon start
```

#### Systemd

If you're a *systemd* user, you may also install it as a service (if built from source):

```sh
make install-service
```

{% hint style="info" %}
Try `make help` to see all available targets.
{% endhint %}

## Health check the daemon

The daemon can be health checked to ensure it fully supports the system and is ready to accept requests. See [health checks](https://docs.cedana.ai/daemon/get-started/health) for more information.