Tag archive for ‘web server’

DirectAdmin 1.391 : pcfg_openfile: unable to check htaccess file, ensure it is readable

Today, I got a problem with one of my website. Suddenly, I could access my website using Nginx but all themes were gone. I, then, switched back to Apache. It became worse. I can’t access my website at all. The error when access my website using Apache is below : Forbidden You don’t have permission [...]

Apache2 mod_fastcgi: Connect to External PHP via UNIX Socket or TCP/IP Port

Now, mod_fastcgi is configured and running. FastCGI supports connection via UNIX sockets or TCP/IP networking. This is useful to spread load among various backends. For example, php will be severed from 192.168.1.10 and python / ruby on rails will be severed from 192.168.1.11. This is only possible with mod_fastcgi. Required utilities You can spawn FastCGI [...]

Chroot Apache 2 Web Server

A chroot on Red Hat / CentOS / Fedora Linux operating changes the apparent disk root directory for the Apache process and its children. Once this is done attacker or other php / perl / python scripts cannot access or name files outside that directory. This is called a “chroot jail” for Apache. You should [...]

Mapping subdomains to parametered web pages in Apache

Mapping john.webserver.com to http://www.webserver.com/user.php?name=john is just by changing a few parameters in http.conf file In httpd.conf file, <VirtualHost se.rv.er.ip.ad.re.ss> ServerAdmin info@servername.com DocumentRoot /var/www ErrorLog /var/log/apache/apache-error.log TransferLog /var/log/apache/apache.log ServerName www.servername.com ServerAlias *.servername.com RewriteEngine on RewriteCond %{HTTP_HOST} !^www.* [NC] RewriteCond %{HTTP_HOST} ^([^\.]+)\.servername\.com RewriteRule ^/$ http://www.servername.com/user.php?user=%1 </VirtualHost> The lines for this feature, RewriteEngine on activating rewrite option RewriteCond [...]

Using Nginx as reverse proxy

It’s common knowledge that when you’re serving a web application you shouldn’t use a standard Apache install to serve static assets, as it comes with too much overhead. I won’t go into the details of why here, as it’s been covered by many other people better qualified than I. What I can do, however, is tell you how [...]

Serving CGI Scripts With Nginx On CentOS 6.0

This tutorial shows how you can serve CGI scripts (Perl scripts) with nginx on CentOS 6.0. While nginx itself does not serve CGI, there are several ways to work around this. I will outline two solutions: the first is to proxy requests for CGI scripts to Thttpd, a small web server that has CGI support, [...]

Cannot start Web server from Plesk panel, No such file ‘/usr/local/etc/rc.d/apache2.sh’ error appears

Attempts to start or stop apache web service on Server > Services page fail with error ERROR: PleskFatalException Unable to make action: Unable to manage service by websrvmng: websrvmng: No such file ‘/usr/local/etc/rc.d/apache2.sh’: No such file or directory System error 2: No such file or directory   Apache startup script name is specified with the [...]

How To Manage Apache Resources Limits With mod_slotlimit (Debian Etch)

mod_slotlimit is an Apache module that using dynamic slot allocation algorithm and static rules, can manage resources used for each running site.   1. Installation In order to compile mod_slotlimit, you will need to have apxs2 (APache eXtension tool) installed and configured with Apache. The follow command will install it: apt-get install apache2-prefork-dev Now we [...]

Enable/Disable APC on virtual host level

APC (Alternative PHP Cache) is a free, open, and robust framework for caching and optimizing PHP intermediate code. APC is a great tool to speed up a php driven site and I can’t even think of a big site running on a php framework without an opcode cache (other good choices are eaccelerator or xcache). [...]

How-to locally Disable Python CGI scripts

Since the beggining of this blog, my collection of python scripts were not readable. This was due to the fact that files with .py extension are seen by the apache web server as CGI scripts. To tell apache that python files can be published as-is, put a .htaccess beside your files. Then edit it to [...]