X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/d5fc6c1a22ea88bddc97ff4053ef53888ed82cd4..cf1290eb464f1256aa5c12d973fff774e4f83e5e:/doc/tips/dot_cgi.mdwn

diff --git a/doc/tips/dot_cgi.mdwn b/doc/tips/dot_cgi.mdwn
index e7fe7b2c8..b66406f66 100644
--- a/doc/tips/dot_cgi.mdwn
+++ b/doc/tips/dot_cgi.mdwn
@@ -1,3 +1,5 @@
+[[!meta date="2009-01-12 20:01:03 -0500"]]
+
 It's common to name the [[cgi]] "ikiwiki.cgi", and put it somewhere
 like `~/public_html/ikiwiki.cgi`, or `/var/www/wiki/ikiwiki.cgi`.
 
@@ -13,9 +15,15 @@ run `.cgi`  programs from anywhere.
 These instructions are for Debian systems, but the basic
 configuration changes should work anywhere.
 
+[[!toc]]
+
 ## apache 2
 
-* Edit /etc/apache2/apache2.conf and add a line like this:
+* Make sure the cgi module is loaded. (Ie, `a2enmod cgi`).
+  Note that the cgid module will not work.
+
+* Edit /etc/apache2/apache2.conf (or /etc/apache2/mods-available/mime.conf)
+  and add a line like this:
 
 	AddHandler cgi-script .cgi
 
@@ -26,8 +34,10 @@ configuration changes should work anywhere.
   Or, if you've put it in a `~/public_html`, edit
   `/etc/apache2/mods-available/userdir.conf`.
 
-  You may also want to install some dependencies to enable CGI in apache2 setup as: `libcgi-formbuilder-perl` and `libcgi-session-perl`.
-
+* If your wiki is in `~/public_html` and does not appear when you enter the URL given by the installer, check that you have 
+  the userdir mod enabled (there should be simlinks to userdir.load and userdir.conf in /etc/apache2/modes-enabled).  If not,
+  run `a2enmod userdir` and reload apache2.
+  
 * You may also want to enable the [[plugins/404]] plugin.
   To make apache use it, the apache config file will need a further
   modification to make it use ikiwiki's CGI as the apache 404 handler.
@@ -35,6 +45,8 @@ configuration changes should work anywhere.
 
 	ErrorDocument 404 /cgi-bin/ikiwiki.cgi
 
+* On Fedora (and RHEL, CentOS, and derivatives) you may need to change CGI mode from `06755` to `755` as suid/sgid bit is prohibited by `suexec`. ([Bug 1341568](https://bugzilla.redhat.com/show_bug.cgi?id=1341658))
+
 ## lighttpd
 
 Here is how to enable cgi on [lighttpd](http://www.lighttpd.net/) and
@@ -60,7 +72,7 @@ If you have any thought about it, feel free to let me know.
 
 ## nginx
 
-To run CGI under nginx, just use a FastCGI wrapper like [this one](http://technotes.1000lines.net/?p=23). The wrapper must be started somehow just like any other FastCGI program. I use launchd on OSX.
+To run CGI under nginx, you need to use a FastCGI wrapper. The wrapper must be started somehow just like any other FastCGI program. You can use launchd on OSX.
 
 In Linux, you will need the spawn-fcgi and fcgiwrap packages and start
 them with:
@@ -68,7 +80,35 @@ them with:
     spawn-fcgi -s /tmp/fcgi.socket -n -- /usr/sbin/fcgiwrap
 
 This needs to be ran as your user. It can be added to `inittab` or
-made into a startup script in `init.d`.
+made into a startup script in `init.d`. You may also need to make this file writable by the webserver, if that's running as a different user, e.g.:
+
+    chmod a+w /tmp/fcgi.socket
+
+If you have [systemd](https://en.wikipedia.org/wiki/Systemd), you may use a service file like so:
+
+Edit/create a service file (in Debian it would be: `sudo vim /lib/systemd/system/ikiwiki.service`
+
+Content of `ikiwiki.service`:
+
+    [Unit]
+    Description=Ikiwiki fcgi socket wrap
+    After=network.target
+    
+    [Service]
+    Type=simple
+    User=www-data
+    Group=www-data
+    ExecStart=/usr/bin/spawn-fcgi -s /tmp/fcgi.socket -n -- /usr/sbin/fcgiwrap
+    
+    [Install]
+    WantedBy=multi-user.target
+
+Then run:
+
+    # This enables the service at startup
+    sudo systemctl enable ikiwiki.service
+    # This attempts to start the service
+    sudo systemctl start ikiwiki.service
 
 Then you need an nginx config plugged in that wrapper. Here's an
 example virtual host configuration:
@@ -95,6 +135,25 @@ example virtual host configuration:
         }
     }
 
+Also, note that the `/tmp/fcgi.socket` file needs to be writable by the webserver. I am also unsure as to the security of this setup, as I am using this only on my dev server. Needless to say that [[real fastcgi support|todo/fastcgi_or_modperl_installation_instructions]] would be great. ;) --[[anarcat]]
+
+2016-09-23 [[alexjj]]: On Debian Jessie creating the fcgi ikiwiki.service is not necessary. Install fcgiwrap, it'll auto start the fcgiwrap systemd service and then add the parameters in the virtual host:
+
+        location / {
+                try_files $uri $uri/ =404;
+        }
+        
+        # Max size of file upload
+        client_max_body_size 10m;
+
+        location ~ .cgi {
+                #gzip off is recommended in /usr/share/doc/fcgiwrap/README.Debian
+                gzip off;
+                fastcgi_pass unix:/var/run/fcgiwrap.socket;
+                include /etc/nginx/fastcgi_params;
+        }
+
+Here's a [[complete site.conf|tips/nginx]] for nginx if that helps.
 
 ## boa