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Loki Messenger Public Channel Setup

An express REST API for serving persistence history public chat rooms for Loki Messenger. These channels are not limited in size as they are hosted by your own server. Please be aware these are PUBLIC channels and sensitive private information should not be shared in this group format.

It's run by 2 daemons, the platform servers providing an ADN standard REST API and another with Loki Messenger specific behaviors (crypto-key registration and enhanced moderation functions).


  • VPS
  • Domain Name
  • Publiclly Routable IP
  • Debian Distribution

1. Install Docker (Debian)

For non-debian-based installation instructions of Docker:

Use this guide for additional troubleshooting help:

Remove any possibly previously installed docker installations

sudo apt-get remove docker docker-engine

Install official docker repo

sudo apt-get update
sudo apt-get install apt-transport-https ca-certificates curl gnupg2 software-properties-common

For Debian

curl -fsSL | sudo apt-key add -
sudo add-apt-repository "deb [arch=amd64] $(lsb_release -cs) stable"

For Ubuntu

curl -fsSL | sudo apt-key add -
sudo add-apt-repository "deb [arch=amd64] $(lsb_release -cs) stable"

Install and test Docker

apt-get update
sudo apt-get install docker-ce

To check to make sure it's all working:

docker run hello-world

2. Install docker-compose

Create docker-compose script

curl -L "$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose

Make sure it's executable

chmod u+x /usr/local/bin/docker-compose

3. Install LMPCS

git clone

Install LMPCS git submodules

cd loki-messenger-public-server
git submodule init
git submodule update

Make sure permissions on acme.json is correct

chmod 600 docker/acme.json

Set up config

cp loki_template.ini loki.ini

Add first moderator

To add the first moderator replace PUBKEY with the desired moderators Loki Messenger public key and run echo "PUBKEY=true" >> loki.ini.

This initial step is required however you can add additional moderators through Loki Messenger desktop interace.

Start it

Replace [email protected] with your email address and yourssl.domain.tld with your public facing hostname. These are required for getting an SSL certification from LetsEncrypt which we will attempt to automatically do for you.

[email protected] DOMAIN=yourssl.domain.tld docker-compose up -d

Upgrade instruction

Make sure you're in loki-messenger-public-server folder.

Run the following commands:

To stop the software running:

[email protected] DOMAIN=yourssl.domain.tld docker-compose down

To grab the latest source and configs:

git pull

To update the local docker images:

[email protected] DOMAIN=yourssl.domain.tld docker-compose build

To restart the server:

[email protected] DOMAIN=yourssl.domain.tld docker-compose up -d

Getting Help

If something in this guide isn’t making sense, or if you’re running into issues that you can’t identify on your own, the first place to go would be the #lokinet-help channel on discord. Alternatively, you can find help on our other communication channels such as telegram, twitter, or reddit.

Reporting Bugs

After you have sought out for help through our communication channels and have not come to any solutions we recommend opening up a issue ticket on the Loki messenger public server repository.

Please use the following Github Issue Template for any github issues created: Github Issue Template Example.