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Hosting > VPS > Linux VPS > Technical Overview > Sunday, July 20, 2008

Linux VPS3 - Default Applications


The following table describes the applications which are installed by default in the configuration of your Linux VPS account. In addition, the table provides an overview of the location and usage of the application.

Application Location Usage
Apache modules Main:
/www/modules
Apache modules are code segments that are written to comply with the Apache API specification and can be loaded into the Apache Web Server. Apache modules can be loaded in one the following ways. The modules are statically loaded in the compiled httpd daemon. Or they are dynamically loaded in the Web server configuration file.
Auto responder support N/A Through CPX: Control Panel, your account supports auto responder (or auto reply) as a means of distribution for information about your organization. It provides an email alias which executes a program that automatically replies to any email sent to the specified address.
FTP Server Configuration:
/etc/proftpd.conf

Main:
/usr/sbin/proftpd
/usr/sbin/in.proftpd
proFTPD provides anonymous configuration and support for the Transport Layer Security (TLS) protocols such as anonymous File Transfer Protocol (FTP) and FTP server processes. Your account supports unlimited FTP users.
GCC Main:
/usr/bin/gcc

Main Library:
/usr/lib/gcc

Documents:
/usr/shre/doc/dovevot-0.xx.yy
GNU Compiler Collection (GCC) provides program language compilers.
IMAP Documents:
/usr/share/doc/dovecot-0.xx.yy

Main:
/usr/sbin/dovecot

Other Important Directories:
/var/run/dovecot
/var/run/dovecot-login

Configuration:
/etc/dovecot.conf
/etc/pam.d/dovecot
Your account uses Dovecot as secure Internet Message Access Protocol (IMAP) server software. Your account does not limit the number of IMAP email users.
OpenSSH Documentation:
/usr/share/doc/ openssh-3.x

Configuration:
/etc/ssh

Main Files:
/usr/bin/ssh
/usr/bin/scp
/usr/bin/ssh-agent

Other Common SSH Utilities:
/usr/bin
OpenSSH provides connectivity tools that encrypt all traffic (including passwords) to eliminate eavesdropping, connection hijacking, and other attacks. OpenSSH also supports secure tunneling capabilities and several authentication methods, and supports commonly used versions of the Secure Shell (SSH) protocol.
Perl and mod_perl Mod_perl:
/www/modules/
mod_perl.so

Main perl executable:
/usr/local/bin/perl

Main perl directory:
/usr/lib/perl5
Perl provides a cross-platform programming language.
POP Server N/A Your account supports Post Office Protocol (POP) services for the purpose of handling email. Your account does not limit POP email users.
Python Main Executable:
/usr/bin/python

Library: /usr/lib/python2.x

Docs:
/usr/share/doc/python-2.x.y/
Python provides a dynamic programming language comparable to Tcl, Perl, Ruby, Scheme, and Java.
Red Hat Main Version:
/etc/redhat-release

RPM:
/bin/rpm
Linux VPS utilizes the Red Hat Enterprise Linux (RHEL) operating system version 3.x.y. Red Hat Package Manager (RPM) version 3.x.y provides a command line-driven package management system. The package enables you to install, uninstall, verify, query, and update software features on your account.
Ruby Main Executable:
/usr/bin/ruby

Main Libraries:
/usr/lib/ruby
/usr/lib/site_ruby

Main Documents:
/usr/share/doc/ruby-1.x.y

Development Documents:
/usr/share/doc/ruby-devel-1.x.y
Ruby provides interpreted scripting language for object-oriented programming.
Sendmail SMTP Server Main Executable:
/usr/sbin/sendmail

Main Configuration directory:
/etc/mail

Documents:
/usr/share/doc/sendmail
SMTP - Sendmail with unlimited aliases.
SSL N/A Privacy and encryption provided by support for the Secure Sockets Layer (SSL) protocol 2.0. Your account defaults to utilize a shared SSL certificate.
Unauthorized relay protection N/A - (a pre-configured component of Sendmail) Your account supports Secure Shell (SSH) service under inetd and enables the ability to limit the rate of incoming SSH connections to eliminate this additional load. If you modify your inetd configuration, verify your configuration continues to work with the new configuration.
Web Server Main Directory:
/www

Main Executable:
/usr/sbin/httpd

Main Configuration File:
/www/conf/httpd.conf

Restart Apache Script:
/usr/local/sbin/restart_apache

Document Root:
/www/htdocs

Documents:
/usr/share/doc/httpd-2.x
Apache HTTP (or Web) Server and Web Server Modules provided by the Apache Hypertext Transfer Protocol (HTTP) Server version 2.x.



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