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Debian

This guide will walk you through setting up hostd on Linux. At the end of this guide, you should have the following:

  • Installed the hostd software

  • Created a hostd wallet

Pre-requisites

To ensure you will not run into any issues with running hostd it is recommended your system meets the following requirements:

  • Operating System Compatibility: hostd is supported on the following Debian versions:

    • Bookworm (Debian 12)

    • Bullseye (Debian 11)

  • System Updates: Ensure that Debian is up to date with the latest system updates, these updates can contain important security fixes and improvements.

  • Hardware Requirements: A stable setup that meets the following specifications is recommended. Not meeting these requirements may result in preventing slabs from uploading and can lead to a loss of data.

    • A quad-core CPU

    • 8GB of RAM

    • An SSD with at least 128GB of free space.

Adjust sysctl (OPTIONAL)

These changes to sysctl are optional and may increase performance

echo "net.core.rmem_max=7500000
net.core.wmem_max=7500000
net.ipv4.tcp_congestion_control = bbr
net.core.default_qdisc = pfifo_fast
net.ipv4.tcp_shrink_window = 1" | sudo tee /etc/sysctl.d/50-hostd.conf
sudo sysctl --system

Install hostd Using the apt repository

Before you install hostd for the first time on a new machine, you need to set up the Sia apt repository. Afterward, you can install and update hostd using apt.

Your system will need to have curl installed as well. You can check if it is installed by running curl --version. If it is not installed, you can install it by running sudo apt update && sudo apt install curl

1. Set up the Sia apt repository by copying and pasting the following commands into your terminal:

sudo curl -fsSL https://linux.sia.tech/debian/gpg | sudo gpg --dearmor -o /usr/share/keyrings/siafoundation.gpg
sudo chmod 644 /usr/share/keyrings/siafoundation.gpg
echo "deb [signed-by=/usr/share/keyrings/siafoundation.gpg] https://linux.sia.tech/debian $(. /etc/os-release && echo "$VERSION_CODENAME") main" | sudo tee /etc/apt/sources.list.d/siafoundation.list
sudo apt update

If you use a derivative distro, such as Kali Linux, you may need to substitute the part of this command that prints the version codename with the corresponding Debian release:

$(. /etc/os-release && echo "$VERSION_CODENAME")

Replace this part with the codename of the corresponding Debian release, such as bookworm.

2. Install hostd

sudo apt install hostd

3. Verify hostd was installed successfully

Run the following command to see the version of hostd that was installed:

hostd version

Configure hostd

After installing hostd, you will need to configure it with a wallet seed and a password to unlock the web interface. There is an interactive configuration process that you can start by running the following command.

sudo hostd config

This will start an interactive configuration process. You will be asked to generate or recover a wallet seed and set a password to unlock the web interface.

You will not see anything when you type in your seed phrase or unlock password. Press enter after typing each one.

Start hostd

Now that you have installed and configured hostd, you can start it by running the following command:

sudo systemctl enable --now hostd

Verify hostd has started successfully

Run the following command to verify the hostd service has started successfully:

sudo systemctl status hostd

Updating hostd

New versions of hostd are released regularly and contain bug fixes and performance improvements.

To update:

  1. Stop the hostd service.

sudo systemctl stop hostd

  1. Upgrade hostd using the apt package manager.

sudo apt update
sudo apt upgrade hostd

  1. Start hostd service.

sudo systemctl start hostd

Next Steps

Now that you have hostd installed and running, you can start using it to store and retrieve data on the Sia network. You can access the web interface by navigating to http://127.0.0.1:9980 in your web browser. If you installed hostd on a remote machine or a server, you will need to create an SSH tunnel to access the web interface.

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