部署python的web项目

Red Hat Linux Enterprise 6 Apache Deploy Guide

A simple deploy document which covered apache, django project, wsgi, rhel6.

Prerequisites

change to root

su -

install httpd

yum install httpd

start httpd

chkconfig httpd on
service httpd start

install mod_wsgi

yum install mod_wsgi

if successfully installed, run the following command

find -L /etc/httpd/ -name *wsgi*

OUTPUT:

/etc/httpd/modules/mod_wsgi.so
/etc/httpd/conf.d/wsgi.conf

install django, here you must download the related django version manully

pip install Django==1.5.1

Or:

pip install Django==1.4.3

Basic config

Assume a django project named lwepm

cp the project to related dirs

cp lwepm /usr/lib/python2.6/site-packages/

touch a config file for lwepm

touch /etc/httpd/conf.d/lwepm.conf

review the

lwepm.conf

# Deployment using mod_python
#
# Useful documentation:
# http://docs.djangoproject.com/en/dev/howto/deployment/modpython/ #

Alias /favicon.ico /usr/lib/python2.6/site-packages/lwepm/static/images/favicon.ico
# This should be configured as the correct location
Alias /static/admin /usr/lib/python2.6/site-packages/django/contrib/admin/static/admin/
Alias /static /usr/lib/python2.6/site-packages/lwepm/static/

# Limit threads forked:
# http://blog.webfaction.com/tips-to-keep-your-django-mod-python-memory-usage-down # prefork MPM
StartServers 5
MinSpareServers 5
MaxSpareServers 10
MaxClients 256
MaxRequestsPerChild 0

# Configurations for mod_wsgi
#WSGIDaemonProcess daemon processes=5 threads=1
#WSGIProcessGroup daemon
WSGIScriptAlias / /usr/lib/python2.6/site-packages/lwepm/wsgi.py
WSGIPassAuthorization On

<Location "/">
# ======================
# Handler for mod_python
# ======================
#SetHandler python-program
#PythonHandler django.core.handlers.modpython
#SetEnv DJANGO_SETTINGS_MODULE tcms.product_settings
#PythonDebug On

# ====================
# Handler for mod_wsgi
# ====================
SetHandler wsgi-script

#order deny,allow
#Deny from all
#Allow from 10.66.65.110

LimitRequestBody 10485760
AddOutputFilterByType DEFLATE text/html text/plain text/xml text/javascript application/x-javascript text/css

ErrorDocument 401 /static/errors/unauthorized.html
</Location>

restart the apache server

service httpd restart

check the result on the browser

If Error, Debug steps:

1. check whether the browser go to the apache server. If successful, you can find:

Apache .....

Or

Internal Error 501/500 and so on.

Then you can run the following command to debug:

tail -n 20 /var/log/httpd/error_log

You can get some info in the last lines of the output.

2. if failed or you cannot got the apache server, you should check the url, the linux Network config, iptables, selinux and so on.

Tips

file permission can cause many bugs.

you should firstly confirm apache server is ok. After you installed&started the apache server, you can get the index.html on browser.

Refer Urls

django guide for apache deployment