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  • setting up a basic mod_proxy virtual host

    - by SevenProxies
    I'm trying to set up a basic virtual host to proxy all requests to test.local to a WEBrick server I have running on 127.0.0.1:8080 while keeping all requests to localhost going to my static files in /var/www. I'm running Ubuntu 10.04. I have libapache2-mod-proxy-html installed and I have the module enabled with a2enmod proxy. I also have my virtual host enabled. However, whenever I go to test.local I always get a cryptic 500 server error and all my logs are telling me is: [Thu Mar 03 01:43:10 2011] [warn] proxy: No protocol handler was valid for the URL /. If you are using a DSO version of mod_proxy, make sure the proxy submodules are included in the configuration using LoadModule. Here's my virtual host: <VirtualHost test.local:80> LoadModule proxy_module /usr/lib/apache2/modules/mod_proxy.so ServerAdmin webmaster@localhost ServerName test.local ProxyPreserveHost On # prevents this folder from being proxied ProxyPass /static ! DocumentRoot /var/www <Directory /> Options FollowSymLinks AllowOverride None </Directory> <Directory /var/www/> Options Indexes FollowSymLinks MultiViews AllowOverride None Order allow,deny allow from all </Directory> <Proxy *> Order allow,deny Allow from all </Proxy> ProxyPass / http://localhost:8080/ ProxyPassReverse / http://localhost:8080/ ErrorLog /var/log/apache2/error.log # Possible values include: debug, info, notice, warn, error, crit, # alert, emerg. LogLevel warn CustomLog /var/log/apache2/access.log combined and here's my settings for mod_proxy: <IfModule mod_proxy.c> #turning ProxyRequests on and allowing proxying from all may allow #spammers to use your proxy to send email. ProxyRequests Off <Proxy *> # default settings #AddDefaultCharset off #Order deny,allow #Deny from all ##Allow from .example.com AddDefaultCharset off Order allow,deny Allow from all </Proxy> # Enable/disable the handling of HTTP/1.1 "Via:" headers. # ("Full" adds the server version; "Block" removes all outgoing Via: headers) # Set to one of: Off | On | Full | Block ProxyVia On </IfModule> Does anybody know what I'm doing wrong? Thanks

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  • Freeware local proxy engine for Windows?

    - by Tomalak
    Is there a nice and small, freeware proxy application that runs in the system tray? It should support HTTP and HTTPS proxy connections, NTLM authentication and configurable rules (different proxy servers for different hosts). Bonus karma if it can NTLM-authenticate anonymous requests passing through it.

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  • How can I create a graph of Nginx responses by HTTP status code?

    - by rmh
    I'm looking to create a graph somewhat similar to this: But instead of graphing requests, graph responses, with a line for each HTTP response code (200 OK, 404 Not Found, 500 Server Error, etc). Creating the graph isn't the issue (use RRDtool, Server Density or something similar), but how can I best retrieve this information from Nginx? Unfortunately, this data isn't available on the page generated by NginxHttpStubStatusModule. If it was, this would be pretty easy.

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  • URL Rewrite in WebLogic 11g

    - by A. Wilson
    I have a client running a WebLogic 11g install on a Windows Server machine who wishes to implement Apache-style mod_rewrite-like functionality to translate requests for easyurl.com to super.complicated.com/with/this/junk?here=and_more. I have scoured the Internet for advice, but all I can find are other people who are asking the same question and not getting any answer. Assuming that installing 3rd-party apps is not an option, how do I implement this in WebLogic? To clarify, WebLogic is not running with Apache (or else I'd just use mod_rewrite).

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  • apache mod_cache in v2.2 - enable cache based on url

    - by Janning
    We are using apache2.2 as a front-end server with application servers as reverse proxies behind apache. We are using mod_cache for some images and enabled it like this: <IfModule mod_disk_cache.c> CacheEnable disk / CacheRoot /var/cache/apache2/mod_disk_cache CacheIgnoreCacheControl On CacheMaxFileSize 2500000 CacheIgnoreURLSessionIdentifiers jsessionid CacheIgnoreHeaders Set-Cookie </IfModule> The image urls vary completely and have no common start pattern, but they all end in ".png". Thats why we used the root in CacheEnable / If not served from the cache, the request is forwarded to an application server via reverse proxy. So far so good, cache is working fine. But I really only need to cache all image request ending in ".png". My above configuration still works as my application server send an appropriate Cache-Control: no-cache header on the way back to apache. So most pages send a no-cache header back and they get not cached at all. My ".png" responses doesn't send a Cache-Control header so apache is only going to cache all urls with ".png". Fine. But when a new request enters apache, apache does not know that only .png requests should be considered, so every request is checking a file on disk (recorded with strace -e trace=file -p pid): [pid 19063] open("/var/cache/apache2/mod_disk_cache/zK/q8/Kd/g6OIv@woJRC_ba_A.header", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) I don't want to have apache going to disk every request, as the majority of requests are not cached at all. And we have up to 10.000 request/s at peak time. Sometimes our read IO wait spikes. It is not getting really slow, but we try to tweak it for better performance. In apache 2.4 you can say: <LocationMatch .png$> CacheEnable disk </LocationMatch> This is not possible in 2.2 and as I see no backports for debian I am not going to upgrade. So I tried to tweak apache2.2 to follow my rules: <IfModule mod_disk_cache.c> SetEnvIf Request_URI "\.png$" image RequestHeader unset Cache-Control RequestHeader append Cache-Control no-cache env=!image CacheEnable disk / CacheRoot /var/cache/apache2/mod_disk_cache #CacheIgnoreCacheControl on CacheMaxFileSize 2500000 CacheIgnoreURLSessionIdentifiers jsessionid CacheIgnoreHeaders Set-Cookie </IfModule> The idea is to let apache decide to serve request from cache based on Cache-control header (CacheIgnoreCacheControl default to off). And before simply set a RequestHeader based on the request. If it is not an image request, set a Cache-control header, so it should bypass the cache at all. This does not work, I guess because of late processing of RequestHeader directive, see https://httpd.apache.org/docs/2.2/mod/mod_headers.html#early I can't add early processing as "early" keyword can't be used together with a conditional "env=!image" I can't change the url requesting the images and I know there are of course other solutions. But I am only interested in configuring apache2.2 to reach my goal. Does anybody has an idea how to achieve my goal?

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  • Block web browsing by older browsers

    - by Eamon
    Given the vulnerabilities in older versions of IE, I want to enforce a rule that only the latest IE or Firefox is used to browse the web. I can't ensure that everyone's PC is up to date, so is there a firewall that will let me write a rule to restrict the version of the browser that can make requests through the firewall? Our current firewall is from Watchguard

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  • Nginx returning 444 for PUT and DELETE

    - by Zorrocaesar
    I'm trying to build a REST API through Nginx and everything works fine except when I the requests are PUT or DELETE. In these cases, Nginx returns 444 (no response). I did some research and all I could find was something about Nginx being configured with the "--with-http_dav_module" option. I've checked that with nginx -V and and it seems that it was configured with this. So, any idea what else could it be?

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  • Passing IP address with mod_proxy

    - by Konrad Garus
    I have Apache with mod_proxy passing requests to Tomcat. The trouble is, when I get client IP address associated with a request in web app hosted on Tomcat, it always returns 127.0.0.1. Is it possible to have Apache pass the original IP address to Tomcat?

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  • Internal/external DNS with subdomains

    - by ScottMcGready
    I've got an internal DNS server (part of OS X server) and it's acting as the main DNS server for a specific (physical) site. When it can't resolve hostnames itself, it forwards requests to Google's DNS servers. Everything works well apart from a couple of issues, which I think may be related but can't get to the bottom of. I've got a number of intranet sites setup, that people can access by going to something like: intranet.mydomainname.com selfservice.mydomainname.com These point to various servers in the building that host these sites. Whether internal or external (without VPN), I can access these sites just dandy. Where the issue comes is when I want to host, say, test.mydomainname.com on an external server it fails to resolve as the primary zone for mydomainname.com is internal. How can I get it to look up Google's DNS (or an external one) for that zone if it's not in the list? I've tried everything I can think (adding my host's nameservers etc) of but nothing seems to work fully. Also I can't access intranet sites when connected via VPN and from what I can gather - I believe this might be related to the DNS issue but just wanted to give as much information as possible. Edit The domain mydomainname.com is hosted externally and pointed at the site's public IP. From there we can forward the requests to the relevant internal server. Externally everything works, internally though any subdomain of mydomainname.com is served locally, I want it to be served from Google's DNS / externally. DNS Configuration As per a request, here's the current DNS configuration (OS X server's DNS tab). I've blurred out the .private address as it's not really relevant but it's the server's name. The colored dots are just there to link everything together. Screenshot: In an attempt to clarify this is what I want: intranet.mydomain.com -> 192.168.0.12 selfservice.mydomain.com -> 192.168.0.13 *.mydomain.com -> forward to external DNS mydomain.com -> forward to external DNS At the moment any subdomain of mydomain.com is not forwarded on (think this is because of the primary zone being mydomain.com with a NS of intranet.mydomain.com but could do with a little nod in the right direction.

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  • what reverse proxy server will direct traffic to healthy servers whose health is based on a result string

    - by joshua paul
    what reverse proxy server will direct traffic to healthy servers whose health is based on a result string?? ideally i'd like something like dnsmadeeasy or ultradns - lol - but for reverse proxy i have looked at pound, delegate, ha proxy, squid, varnish, nginx, apache, and cherokee but can't see that they will work - they only test for HTTP result code scenario client request www.aaa.com www.aaa.com is a reverse proxy reverse proxy looks at "test.php" on server 1.aaa.com, 2.aaa.com and 3.aaa.com for result string "OK" if the server is "OK" then proxy requests to them help!

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  • How to create .iso from Snow Leopard retail DVD

    - by user10580
    I have a legal copy of Snow Leopard on DVD (retail) which I am attempting to use to create a bootable flash drive. The software I have been directed to use requests a .iso file (as I am familiar with from other os installs), but when inserting the DVD into either Windows 7 or Ubuntu 9.10 the disk is recognized only as a "Windows Support" DVD, with materials to "support Apple hardware with Windows." This is eventually intended for a hackintosh attempt on an ASUS EEEPC 1000HE netbook. This is an install disk. Thanks

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  • How to run Django 1.3/1.4 on uWSGI on nginx on EC2 (Apache2 works)

    - by Tadeck
    I am posting a question on behalf of my administrator. Basically he wants to set up Django app (made on Django 1.3, but will be moving to Django 1.4, so it should not really matter which one of these two will work, I hope) on WSGI on nginx, installed on Amazon EC2. The app runs correctly when Django's development server is used (with ./manage.py runserver 0.0.0.0:8080 for example), also Apache works correctly. The only problem is with nginx and it looks there is something else wrong with nginx / WSGI or Django configuration. His description is as follows: Server has been configured according to many tutorials, but unfortunately Nginx and uWSGI still do not work with application. ProjectName.py: import os, sys, wsgi os.environ.setdefault("DJANGO_SETTINGS_MODULE", "ProjectName.settings") from django.core.wsgi import get_wsgi_application application = get_wsgi_application() I run uWSGI by comand: uwsgi -x /etc/uwsgi/apps-enabled/projectname.xml XML file: <uwsgi> <chdir>/home/projectname</chdir> <pythonpath>/usr/local/lib/python2.7</pythonpath> <socket>127.0.0.1:8001</socket> <daemonize>/var/log/uwsgi/proJectname.log</daemonize> <processes>1</processes> <uid>33</uid> <gid>33</gid> <enable-threads/> <master/> <vacuum/> <harakiri>120</harakiri> <max-requests>5000</max-requests> <vhost/> </uwsgi> In logs from uWSGI: *** no app loaded. going in full dynamic mode *** In logs from Nginx: XXX.com [pid: XXX|app: -1|req: -1/1] XXX.XXX.XXX.XXX () {48 vars in 989 bytes} [Date] GET / => generated 46 bytes in 77 m secs (HTTP/1.1 500) 2 headers in 63 bytes (0 switches on core 0) added /usr/lib/python2.7/ to pythonpath. Traceback (most recent call last): File "./ProjectName.py", line 26, in <module> from django.core.wsgi import get_wsgi_application ImportError: No module named wsgi unable to load app SCRIPT_NAME=XXX.com| Example tutorials that were used: http://projects.unbit.it/uwsgi/wiki/RunOnNginx https://docs.djangoproject.com/en/1.4/howto/deployment/wsgi/ Do you have any idea what has been done incorrectly, or what should be done to make Django work on uWSGI on nginx on EC2?

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  • insert null character using tamper data

    - by Jeremy Comulu
    Using the firefox extension tamper data (for modifing http requests that firefox makes) how do I insert a null character into a post field? I can enter normal characters, but binary characters in it are not urlencoded and are shown as is, so how do I enter the null character into a field? If you know of a firefox extension like tamper data that I can do this or a way to do this using tamper data please post.

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  • HAProxy - forward to a different web server based on URI

    - by Saggi Malachi
    I have an HTTP farm with the following configuration: listen webfarm 10.254.23.225:80 mode http balance roundrobin cookie SERVERID insert option httpclose option forwardfor option httpchk HEAD /check.txt HTTP/1.0 server webA 10.254.23.4:80 cookie A check server webB 10.248.23.128:80 cookie B check I would like to add some option which would forward all requests for a specific URI (i.e /special) to a 3rd web server. How should I do it?

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  • Nginx load balancing policy

    - by Alex
    Is the Nginx's load balancing policy customizable in any way? Having two sites A and B I want 20% of all the requests to go to A and the rest to B. Is that possible/feasible? Is there a better solution out there for this task? Thanks, Alex

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  • Scientific Linux - mysql and apachefail to start on reboot

    - by Derek Deed
    Both mysqld and httpd fail to restart following a reboot of the server, although chkconfig --list shows both daemons set to on for run levels 2,3,4 & 5 All control is being exectuted via Webmin Reboot server – MySQl and Apache not running MySQL Database Server MySQL version 5.1.69 MySQL is not running on your system - database list could not be retrieved. Click this button to start the MySQL database server on your system with the command /etc/rc.d/init.d/mysqld start. This Webmin module cannot administer the database until it is started. Apache Webserver Apache version 2.2.15 Start Apache Search Docs.. Global configuration Existing virtual hosts Create virtual host Select all. | Invert selection. Default Server Defines the default settings for all other virtual servers, and processes any unhandled requests. Address Any Port Any Server Name Automatic Document Root /var/www/drupal Virtual Server Processes all requests on port 443 not handled by other virtual servers. Address Any Port 443 Server Name Automatic Document Root /var/www/drupal Select all. | Invert selection. chkconfig --list mysqld mysqld 0:off 1:off 2:on 3:on 4:on 5:on 6:off chkconfig --list httpd httpd 0:off 1:off 2:on 3:on 4:on 5:on 6:off Manually Restart Apache chkconfig --list httpd httpd 0:off 1:off 2:on 3:on 4:on 5:on 6:off Manually Restart MySQL chkconfig --list mysqld mysqld 0:off 1:off 2:on 3:on 4:on 5:on 6:off Everything now running okay; but no difference in the chkconfig outputs above. Set chkconfig --levels 235 httpd on /etc/init.d/httpd start The same for mysqld but no change in operation. Log files show that the shutdown has been completed successfully; but there is no indication of the service restarting until it is executed manually: 131112 13:59:15 InnoDB: Starting shutdown... 131112 13:59:16 InnoDB: Shutdown completed; log sequence number 0 881747021 131112 13:59:16 [Note] /usr/libexec/mysqld: Shutdown complete 131112 13:59:16 mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ended 131112 14:09:52 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql 131112 14:09:52 InnoDB: Initializing buffer pool, size = 8.0M 131112 14:09:52 InnoDB: Completed initialization of buffer pool [Tue Nov 12 13:59:13 2013] [notice] suEXEC mechanism enabled (wrapper: /usr/sbin/suexec) [Tue Nov 12 13:59:13 2013] [notice] Digest: generating secret for digest authentication ... [Tue Nov 12 13:59:13 2013] [notice] Digest: done [Tue Nov 12 13:59:14 2013] [notice] Apache/2.2.15 (Unix) DAV/2 PHP/5.3.3 mod_ssl/2.2.15 OpenSSL/1.0.0-fips configured -- resuming normal operations [Tue Nov 12 13:59:14 2013] [notice] caught SIGTERM, shutting down [Tue Nov 12 14:27:13 2013] [notice] suEXEC mechanism enabled (wrapper: /usr/sbin/suexec) [Tue Nov 12 14:27:13 2013] [notice] Digest: generating secret for digest authentication ... [Tue Nov 12 14:27:13 2013] [notice] Digest: done [Tue Nov 12 14:27:13 2013] [notice] Apache/2.2.15 (Unix) DAV/2 PHP/5.3.3 mod_ssl/2.2.15 OpenSSL/1.0.0-fips configured -- resuming normal operations Is anyone able to shed any light on this problem, Cheers, Derek.

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  • top does not run

    - by Horace Ho
    Sorry that I can't be very specific, only symtoms are provided: Monday morning a CentOS box, 1GB ram, Pentium 4 web server (thin, rails) does not response (too slow) to a browser of another PC ping it, ok ssh into it, ok a few minutes later, the web server is back to normal speed, serving web requests well ping it, ok ssh into it, ok however, top does not run what should I look at, about this 'top does not run' symptom? thx

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  • Deploying Django App with Nginx, Apache, mod_wsgi

    - by JCWong
    I have a django app which can run locally using the standard development environment. I want to now move this to EC2 for production. The django documentation suggests running with apache and mod_wsgi, and using nginx for loading static files. I am running Ubuntu 12.04 on an Ec2 box. My Django app, "ddt", contains a subdirectory "apache" with ddt.wsgi import os, sys apache_configuration= os.path.dirname(__file__) project = os.path.dirname(apache_configuration) workspace = os.path.dirname(project) sys.path.append(workspace) sys.path.append('/usr/lib/python2.7/site-packages/django/') sys.path.append('/home/jeffrey/www/ddt/') os.environ['DJANGO_SETTINGS_MODULE'] = 'ddt.settings' import django.core.handlers.wsgi application = django.core.handlers.wsgi.WSGIHandler() I have mod_wsgi installed from apt. My apache/httpd.conf contains NameVirtualHost *:8080 WSGIScriptAlias / /home/jeffrey/www/ddt/apache/ddt.wsgi WSGIPythonPath /home/jeffrey/www/ddt <Directory /home/jeffrey/www/ddt/apache/> <Files ddt.wsgi> Order deny,allow Allow from all </Files> </Directory> Under apache2/sites-enabled <VirtualHost *:8080> ServerName www.mysite.com ServerAlias mysite.com <Directory /home/jeffrey/www/ddt/apache/> Order deny,allow Allow from all </Directory> LogLevel warn ErrorLog /home/jeffrey/www/ddt/logs/apache_error.log CustomLog /home/jeffrey/www/ddt/logs/apache_access.log combined WSGIDaemonProcess datadriventrading.com user=www-data group=www-data threads=25 WSGIProcessGroup datadriventrading.com WSGIScriptAlias / /home/jeffrey/www/ddt/apache/ddt.wsgi </VirtualHost> If I am correct, these 3 files above should correctly allow my django app to run on port 8080. I have the following nginx/proxy.conf file proxy_redirect off; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; client_max_body_size 10m; client_body_buffer_size 128k; proxy_connect_timeout 90; proxy_send_timeout 90; proxy_read_timeout 90; proxy_buffer_size 4k; proxy_buffers 4 32k; proxy_busy_buffers_size 64k; proxy_temp_file_write_size 64k; Under nginx/sites-enabled server { listen 80; server_name www.mysite.com mysite.com; access_log /home/jeffrey/www/ddt/logs/nginx_access.log; error_log /home/jeffrey/www/ddt/logs/nginx_error.log; location / { proxy_pass http://127.0.0.1:8080; include /etc/nginx/proxy.conf; } location /media/ { root /home/jeffrey/www/ddt/; } } If I am correct these two files should setup nginx to take requests on the HTTP port 80, but then direct requests to apache which is running the django app on port 8080. If i go to mysite.com, all I see is Welcome to Nginx! Any advice for how to debug this?

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  • Real-time log parsing and reporting

    - by Alienfluid
    We have a small project we are working on part-time that runs on Nginx/MongoDB on Ubuntu 10.04 LTS Server. We'd like to be able to see reports on things like server load, requests/sec, response time, DB load, DB response time, etc. Is there an open source or free (as in beer) tool that can parse such logs and provide a real-time report? I looked into Splunk briefly, but I wanted to see if there are any others that are highly recommended.

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  • Python Django sites on Apache+mod_wsgi with nginx proxy: highly fluctuating performance

    - by Halfgaar
    I have an Ubuntu 10.04 box running several dozen Python Django sites using mod_wsgi (embedded mode; the faster mode, if properly configured). Performance highly fluctuates. Sometimes fast, sometimes several seconds delay. The smokeping graphs are al over the place. Recently, I also added an nginx proxy for the static content, in the hopes it would cure the highly fluctuating performance. But, even though it reduced the number of requests Apache has to process significantly, it didn't help with the main problem. When clicking around on websites while running htop, it can be seen that sometimes requests are almost instant, whereas sometimes it causes Apache to consume 100% CPU for a few seconds. I really don't understand where this fluctuation comes from. I have configured the mpm_worker for Apache like this: StartServers 1 MinSpareThreads 50 MaxSpareThreads 50 ThreadLimit 64 ThreadsPerChild 50 MaxClients 50 ServerLimit 1 MaxRequestsPerChild 0 MaxMemFree 2048 1 server with 50 threads, max 50 clients. Munin and apache2ctl -t both show a consistent presence of workers; they are not destroyed and created all the time. Yet, it behaves as such. This tells me that once a sub interpreter is created, it should remain in memory, yet it seems sites have to reload all the time. I also have a nginx+gunicorn box, which performs quite well. I would really like to know why Apache is so random. This is a virtual host config: <VirtualHost *:81> ServerAdmin [email protected] ServerName example.com DocumentRoot /srv/http/site/bla Alias /static/ /srv/http/site/static Alias /media/ /srv/http/site/media WSGIScriptAlias / /srv/http/site/passenger_wsgi.py <Directory /> AllowOverride None </Directory> <Directory /srv/http/site> Options -Indexes FollowSymLinks MultiViews AllowOverride None Order allow,deny allow from all </Directory> Ubuntu 10.04 Apache 2.2.14 mod_wsgi 2.8 nginx 0.7.65 Edit: I've put some code in the settings.py file of a site that writes the date to a tmp file whenever it's loaded. I can now see that the site is not randomly reloaded all the time, so Apache must be keeping it in memory. So, that's good, except it doesn't bring me closer to an answer... Edit: I just found an error that might also be related to this: File "/usr/lib/python2.6/subprocess.py", line 633, in __init__ errread, errwrite) File "/usr/lib/python2.6/subprocess.py", line 1049, in _execute_child self.pid = os.fork() OSError: [Errno 12] Cannot allocate memory The server has 600 of 2000 MB free, which should be plenty. Is there a limit that is set on Apache or WSGI somewhere?

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  • Nginx - assigning non-root location to proxy_pass

    - by xyzman
    What I like to do is to proxy requests from http://example.com/proxy/foo to http://localhost:8060/foo This config proxies http://example.com/proxy/foo to http://localhost:8060/proxy/foo server { server_name example.com; location /proxy/ { proxy_pass http://localhost:8060; } location / { proxy_pass http://localhost:8040; } }

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  • MailMan moderator subscribe via email

    - by ericl42
    I am setting up a MailMan list server and I am trying to find a way for moderators to subscribe users through email. We are only using the MailMan website for the administrators and need the moderators to be able to at least subscribe people and/or accept subscription requests from users. Is there anyway to do this and besides turning off require approval? Thanks.

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