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ttyd for Debian
===============
1. Default configuration
------------------------
After installing ttyd it will by default listen on http://localhost:7681
in multi-user read-write "login"-mode:
* multi-user means that more than one user can connect at the same time.
* read-write means that anyone connecting to the website can input data.
* Login mode means that the user gets a login prompt (like getty) where
user and password has to be entered.
Edit /etc/default/ttyd and check the ttyd(1) manpage for more information
about available options.
2. Reverse proxy
----------------
To make ttyd accessible on the network, it is advised to hide it behind a
reverse proxy that does TLS and performs user authentication.
To enable the apache2 proxy configuration, the following modules and
configuration need to be enabled:
* sudo a2enmod proxy proxy_http proxy_http2 proxy_wstunnel
* sudo a2enconf ttyd
* sudo service apache2 reload
ttyd is then accessible as <http://example.org/ttyd>.
3. Apache authentication
------------------------
The apache reverse-proxy configuration automatically includes
/etc/ttyd/apache2-auth.conf, if existing, to protect access to '/ttyd'.
There are some examples in /usr/share/doc/ttyd/examples that can be
used as starting point.
To enable HTTP basic authentication, the following steps can be used:
* sudo mkdir -p /etc/ttyd
* sudo ln -s /usr/share/doc/ttyd/examples/apache2-authbasic-file.conf \
/etc/ttyd/apache2-auth.conf
* sudo htpasswd -c -b /etc/ttyd/htpasswd daniel password123
* sudo service apache2 reload
This will allow the user 'daniel' to access ttyd with the password
'password123'. Further users can be added, see htpasswd(1).
-- Daniel Baumann <daniel.baumann@progress-linux.org> Sun, 21 Feb 2021 17:19:20 +0100
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