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Merge pull request 'nginx documentation but better' (#41) from bread/4get:master into master 

Reviewed-on: #41
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docs/nginx.md
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# Install on NGINX
<h1 align=center>Installation of 4get in NGINX</h1>
>I do NOT recommend following this guide, only follow this if you *really* need to use nginx. I recommend you use the apache2 steps instead.
<div align=right>
Login as root.
> NOTE: As the previous version stated, it is better to follow the <a href="https://git.lolcat.ca/lolcat/4get/src/branch/master/docs/apache2.md">Apache2 guide</a> instead of the Nginx one.
Create a file in `/etc/nginx/sites-avaliable/` called `4get.conf` or any name you want and put this into the file:
> NOTE: This is going to guess that you're using either a <abbr title="(Arch Linux, Artix Linux, Endeavouros, etc...) ">Arch-based system</abbr> or a <abbr title="(Debian, Ubuntu, Devuan, etc...)">Debian-based system</abbr>, although you can still follow it with minor issues.
```
server {
# DO YOU REALLY NEED TO LOG SEARCHES?
access_log /dev/null;
error_log /dev/null;
# Change this if you have 4get in other folder.
</div>
1. Login as root.
2. Upgrade your system:
* On Arch-based, run `pacman -Syu`.
* On Debian-based, run `apt update`, then `apt upgrade`.
3. Install the following dependencies:
* `git`: So you can clone <a href="https://git.lolcat.ca/lolcat/4get">this</a> repository.
* `nginx`: So you can run Nginx.
* `php-fpm`: This is what allows Nginx to run *(and show)* PHP files.
* `php-imagick`, `imagemagick`: Image manipulation.
* `php-apcu`: Caching module.
* `php-curl`, `curl`: Transferring data with URLs.
* `php-mbstring`: String utils.
* `certbot`, `certbot-nginx`: ACME client. Used to create SSL certificates.
* In Arch-based distributions:
* `pacman -S nginx certbot php-imagick certbot-nginx imagemagick curl php-apcu git`
* In Debian-based distributions:
* `apt install php-mbstring nginx certbot-nginx certbot php-imagick imagemagick php-curl curl php-apcu git`
<div align=right>
> IMPORTANT: `php-curl`, `php-mbstring` might be a Debian-only package, but this needs further fact checking.
> IMPORTANT: If having issues with `php-apcu` or `libsodium`, go to [^1].
</div>
4. `cd` to `/etc/nginx` and make the `conf.d/` directory if it doesn't exist:
* Again, this guesses you're logged in as root.
```sh
cd /etc/nginx
ls -l conf.d/ # If ls shows conf.d, then it means it exists.
# If it does not, run:
mkdir conf.d
```
5. Make a file inside `conf.d/` called `4get.conf` and place the following content:
* First run `touch conf.d/4get.conf` then `nano conf.d/4get.conf` to open the nano editor: *(Install it if it is not, or use another editor.)*
```sh
server {
access_log /dev/null; # Search log file. Do you really need to?
error_log /dev/null; # Error log file.
# Change this if you have 4get in another folder.
root /var/www/4get;
# Change yourdomain by your domain lol
# Change 'yourdomain' to your domain.
server_name www.yourdomain.com yourdomain.com;
# Port to listen to.
listen 80;
location @php {
try_files $uri.php $uri/index.php =404;
# Change the unix socket address if it's different for you.
fastcgi_pass unix:/var/run/php-fpm/php-fpm.sock;
fastcgi_index index.php;
# Change this to `fastcgi_params` if you use a debian based distro.
# Change this to `fastcgi_params` if you use a debian based distribution.
include fastcgi.conf;
fastcgi_intercept_errors on;
}
@ -34,56 +74,96 @@ server {
return 301 $1;
}
listen 80;
}
```
}
```
* The above is a very basic configuration and thus will need tweaking to your personal needs. It should still work as-is, though. A 'real world' example is present in [^2].
* After saving the file, check that the `nginx.conf` file inside the main directory includes files inside `conf.d/`:
* It should be inside the the http block: *(The following is an example! Don't just Copy and Paste it!)*
```sh
http {
include mime.types;
include conf.d/*.conf;
types_hash_max_size 4096;
# ...
}
```
* Now, test your configuration with `nginx -t`, if it says that everything is good, restart *(or start)* the Nginx daemon:
* This depends on the init manager, most distributions use `systemd`, but it's better practice to include most.
```sh
# systemd
systemctl stop nginx
systemctl start nginxt
# or
systemctl restart nginx
That is a very basic config so you will need to adapt it to your needs in case you have a more complicated nginx configuration. Anyways, you can see a real world example [here](https://git.zzls.xyz/Fijxu/etc-configs/src/branch/selfhost/nginx/sites-available/4get.zzls.xyz.conf)
# openrc
rc-service nginx stop
rc-service nginx start
# or
rc-service nginx restart
After you save the file you will need to do a symlink of the `4get.conf` file to `/etc/nignx/sites-enabled/`, you can do it with this command:
# runit
sv down nginx
sv up nginx
# or
sv restart nginx
```sh
ln -s /etc/nginx/sites-available/4get.conf /etc/nginx/sites-available/4get.conf
```
# s6
s6-rc -d change nginx
s6-rc -u change nginx
# or
s6-svc -r /run/service/nginx
Now test the nginx config with `nginx -t`, if it says that everything is good, restart nginx using `systemctl restart nginx`
# dinit
dinitctl stop nginx
dinitctl start nginx
# or
dinitctl restart nginx
```
6. Clone the repository to `/var/www`:
* `git clone --depth 1 https://git.lolcat.ca/lolcat/4get 4get` - It clones the repository with the depth of one commit *(so it takes less time to download)* and saves the cloned repository as '4get'.
7. That should be it! There are some extra steps you can take, but it really just depends on you.
# Encryption setup
<h2 align=center>Encryption setup</h2>
Generate a certificate for the domain using:
1. Generate a certificate for the domain you're using with:
* Note that `certbot-nginx` is needed.
```sh
certbot --nginx --key-type ecdsa -d www.yourdomain.com -d yourdomain.com
```
2. After that, certbot will deploy the certificate automatically to your 4get conf file; It should be ready to use from there.
```sh
certbot --nginx --key-type ecdsa -d www.yourdomain.com -d yourdomain.com
```
(Remember to install the nginx certbot plugin!!!)
<h2 align=center>Tor Setup</h2>
After doing that certbot should deploy the certificate automatically into your 4get nginx config file. It should be ready to use at that point.
<div align=right>
# Tor setup on NGINX
> IMPORTANT: Tor onion addresses are very long compared to traditional domains, so, Before doing anything, edit `nginx.conf` and increase <abbr title="This setting in your Nginx configuration controls the internal data structure used to manage multiple server names (hostnames) associated with your web server. Each hostname requires a certain amount of memory within this structure. If the size is insufficient, Nginx will encounter errors."><code>server_names_hash_bucket_size</code></abbr> to your needs.
Important Note: Tor onion addresses are significantly longer than traditional domain names. Before proceeding with Nginx configuration, ensure you increase the `server_names_hash_bucket_size` value in your `nginx.conf` file. This setting in your Nginx configuration controls the internal data structure used to manage multiple server names (hostnames) associated with your web server. Each hostname requires a certain amount of memory within this structure. If the size is insufficient, Nginx will encounter errors.
</div>
1. Open your `nginx.conf` file (that is under `/etc/nginx/nginx.conf`).
2. Find the line containing `# server_names_hash_bucket_size 64;`.
3. Uncomment the line and adjust the value. Start with 64, but if you encounter issues, incrementally increase it (e.g., 128, 256) until it accommodates your configuration.
1. `cd` to `/etc/nginx` *(if you haven't)* and open your `nginx.conf` file.
2. Find the line containing `# server_names_hash_bucket_size 64;` inside said file.
3. Uncomment the line and adjust the value; start with 64, but if you encounter issues, incrementally increase it *(e.g., 128, 256)* until it accommodates your configuration.
4. Open *(or duplicate the configuration)* and edit it:
* Example configuration, again:
```sh
server {
access_log /dev/null; # Search log file. Do you really need to?
error_log /dev/null; # Error log file.
Open your current 4get NGINX config (that is under `/etc/nginx/sites-available/`) and append this to the end of the file:
```
server {
access_log /dev/null;
error_log /dev/null;
listen 80;
server_name <youronionaddress>;
# Change this if you have 4get in another folder.
root /var/www/4get;
# Change 'onionadress.onion' to your onion link.
server_name onionadress.onion;
# Port to listen to.
listen 80;
location @php {
try_files $uri.php $uri/index.php =404;
# Change the unix socket address if it's different for you.
fastcgi_pass unix:/var/run/php-fpm/php-fpm.sock;
fastcgi_index index.php;
# Change this to `fastcgi_params` if you use a debian based distro.
# Change this to `fastcgi_params` if you use a debian based distribution.
include fastcgi.conf;
fastcgi_intercept_errors on;
}
@ -95,9 +175,20 @@ server {
location ~* ^(.*)\.php$ {
return 301 $1;
}
}
```
Obviously replace `<youronionaddress>` by the onion address of `/var/lib/tor/4get/hostname` and then check if the nginx config is valid with `nginx -t` if yes, then restart the nginx service and try opening the onion address into the Tor Browser. You can see a real world example [here](https://git.zzls.xyz/Fijxu/etc-configs/src/branch/selfhost/nginx/sites-available/4get.zzls.xyz.conf)
}
```
A real world example is present in [^2].
5. Once done, check the configuration with `nginx -t`. If everything's fine and dandy, refer to <a href="https://git.lolcat.ca/lolcat/4get/src/branch/master/docs/tor.md">the Tor guide</a> to setup your onion site.
Once you did the above, refer to <a href="https://git.lolcat.ca/lolcat/4get/src/branch/master/docs/tor.md">this tor guide</a> to setup your onionsite.
<h2 align=center>Other important things</h2>
1. <a href="https://git.lolcat.ca/lolcat/4get/src/branch/master/docs/configure.md">Configuration guide</a>: Things to do after setup.
2. <a href="https://git.lolcat.ca/lolcat/4get/src/branch/master/docs/apache2.md">Apache2 guide</a>: Fallback to this if you couldn't get something to work, or you don't know something.
<h2 align=center>Known issues</h2>
1. https://git.lolcat.ca/lolcat/4get/issues
[^1]: lolcat/4get#40, If having issues with `libsodium`, or `php-apcu`.
[^2]: <a href="https://git.nadeko.net/Fijxu/etc-configs/src/branch/selfhost/nginx/conf.d/4get.conf">git.nadeko.net</a> nadeko.net's 4get instance configuration.

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