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README.md
snac
A simple, minimalistic ActivityPub instance
Features
- Lightweight, minimal dependencies
- Extensive support of ActivityPub operations, e.g. write public notes, follow users, be followed, reply to the notes of others, admire wonderful content (like or boost), write private messages...
- Multiuser
- Mastodon API support, so Mastodon-compatible apps can be used
- Simple but effective web interface
- Easily-accessed MUTE button to silence morons
- Tested interoperability with related software
- No database needed
- Totally JavaScript-free
- No cookies either
- Not much bullshit
About
This program runs as a daemon (proxied by a TLS-enabled real httpd server) and provides the basic services for a Fediverse / ActivityPub instance (sharing messages and stuff from/to other systems like Mastodon, Pleroma, Friendica, etc.).
This is not the manual; man pages snac(1) (user manual), snac(5) (formats) and snac(8) (administrator manual) are what you are looking for.
snac stands for Social Networks Are Crap.
Building and installation
This program is written in highly portable C. The only external dependencies are openssl and curl.
On Debian/Ubuntu, you can satisfy these requirements by running
apt install libssl-dev libcurl4-openssl-dev
On OpenBSD you just need to install curl:
pkg_add curl
On FreeBSD, to install curl just type:
pkg install curl
On NetBSD, to install curl just type:
pkgin install curl
The source code is available here.
Run make and then make install as root.
If you're compiling on NetBSD, you should use the specific provided Makefile and run make -f Makefile.NetBSD and then make -f Makefile.NetBSD install as root.
From version 2.27, snac includes support for the Mastodon API; if you are not interested on it, you can compile it out by running
make CFLAGS=-DNO_MASTODON_API
If your compilation process complains about undefined references to shm_open() and shm_unlink() (it happens, for example, on Ubuntu 20.04.6 LTS), run it as:
make LDFLAGS=-lrt
If it still gives compilation errors (because your system does not implement the shared memory functions), you can fix it with
make CFLAGS=-DWITHOUT_SHM
See the administrator manual on how to proceed from here.
Testing via Docker
A docker-compose file is provided for development and testing. To start snac with an nginx HTTPS frontend, run:
docker-compose build && docker-compose up
This will:
- Start snac, storing data in
data/ - Configure snac to listen on port 8001 with a server name of
localhost(seeexamples/docker-entrypoint.sh) - Create a new user
testuserand print the user's generated password on the console (seeexamples/docker-entrypoint.sh) - Start nginx to handle HTTPS, using the certificate pair from
nginx-alpine-ssl/nginx-selfsigned.*(seeexamples/nginx-alpine-ssl/entrypoint.sh)
Links of Interest
- Online snac manuals (user, administrator and data formats).
- How to run your own ActivityPub server on OpenBSD via snac (by Jordan Reger).
- How to install & run your own ActivityPub server on FreeBSD using snac, nginx, lets'encrypt (by gyptazy).
- How to install snac on OpenBSD without relayd (by @antics@mastodon.nu).
- Setting up Snac in OpenBSD (by Yonle).
Incredibly awesome CSS themes for snac
- A compilation of themes for snac (by Ворон).
- A cool, elegant theme (by Haijo7).
- A terminal-like theme (by Tetra).
License
See the LICENSE file for details.
Author
grunfink @grunfink@comam.es with the help of others.
Buy grunfink a coffee: https://ko-fi.com/grunfink