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 Post subject: Virtual Host Setup
PostPosted: Wed Nov 13, 2013 2:34 pm 
Offline
Senior Newbie

Joined: Wed Nov 13, 2013 1:47 pm
Posts: 6
For the past 3 days, I have been learning up to setup my first VPS on Linode, and I really liked what I am seeing so far, except that I hit a roadblock when trying to get Virtual Host to work.

I currently have 3 domains, and all of them are enabled on Apache2.

domain-one.com and domain-two.com is currently still pointing to my old shared-hosting server. I only pointed domain-three.com to my linode nameservers, which is the following:

Code:
ns1.linode.com
ns2.linode.com
ns3.linode.com
ns4.linode.com
ns5.linode.com


After a good few hours, the DNS pointing finally got through and domain-three.com successfully points to my new hosting at linode. However, the problem is, domain-three.com, which is supposed to point to the domain-three.com's folder which I've specified in Apache2, was instead pointing to domain-one.com's folder.

At this point, I have tried looking through all the resources I could find on setting up Virtual Host on Apache/Ubuntu, but I still couldn't figure it out. So, I have included here some of the configuration information.

This is how my /etc/hosts file looks:

Code:
127.0.0.1       localhost
127.0.1.1       ubuntu
127.0.0.1       localhost.localdomain   localhost
my.li.node.ip.  omega.couture.com       omega

# The following lines are desirable for IPv6 capable hosts
::1     ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters

# Virtual Hosts
212.71.252.236          domain-one.com
212.71.252.236          domain-two.com
212.71.252.236          domain-three.com


And these 3 domains has been enabled. And they sit right in the /etc/apache2/sites-available/ folder. (Note: the 'default' site in 'sites-available' has been disabled)

This is the configuration file for domain-one.com
Code:
# domain: domain-one.com
# public: /home/my-username/public/domain-one.com/

<VirtualHost *:80>
  # Admin email, Server Name (domain name), and any aliases
  ServerAdmin my@email.com
  ServerName  omega.couture.com
  ServerAlias domain-one.com

  # Index file and Document Root (where the public files are located)
  DirectoryIndex index.html index.php
  DocumentRoot /home/my-username/public/domain-one.com/public/

  # Log file locations
  LogLevel warn
  ErrorLog  /home/my-username/public/domain-one.com/log/error.log
  CustomLog /home/my-username/public/domain-one.com/log/access.log combined
</VirtualHost>


This is the configuration file for domain-two.com

Code:
# domain: domain-two.com
# public: /home/my-username/public/domain-two.com/

<VirtualHost *:80>
  # Admin email, Server Name (domain name), and any aliases
  ServerAdmin my@email.com
  ServerName  omega.couture.com
  ServerAlias domain-two.com

  # Index file and Document Root (where the public files are located)
  DirectoryIndex index.html index.php
  DocumentRoot /home/my-username/public/domain-two.com/public/

  # Log file locations
  LogLevel warn
  ErrorLog  /home/my-username/public/domain-one.two/log/error.log
  CustomLog /home/my-username/public/domain-one.two/log/access.log combined
</VirtualHost>


This is the configuration file for domain-three.com

Code:
# domain: domain-three.com
# public: /home/my-username/public/domain-three.com/

<VirtualHost *:80>
  # Admin email, Server Name (domain name), and any aliases
  ServerAdmin my@email.com
  ServerName  omega.couture.com
  ServerAlias domain-three.com

  # Index file and Document Root (where the public files are located)
  DirectoryIndex index.html index.php
  DocumentRoot /home/my-username/public/domain-three.com/public/

  # Log file locations
  LogLevel warn
  ErrorLog  /home/my-username/public/domain-one.three/log/error.log
  CustomLog /home/my-username/public/domain-one.three/log/access.log combined
</VirtualHost>


All three of them are similar, except for their ServerAlias and their document paths (to DocumentRoot and logs).

And I also edited the apache2.conf file to work with Virtual Host settings. There's one particular section which I added after reading from Linode's wiki which is the following:

Code:
# According to Linode Wiki, if the below code is missing, errors might result when second vhost enabled

    NameVirtualHost *:80

    <ifmodule mod_ssl.c>
        NameVirtualHost *:443
    </ifmodule>


And here's how the entire apache2.conf looks now:

Code:
#
# Based upon the NCSA server configuration files originally by Rob McCool.
#
# This is the main Apache server configuration file.  It contains the
# configuration directives that give the server its instructions.
# See http://httpd.apache.org/docs/2.2/ for detailed information about
# the directives.
#
# Do NOT simply read the instructions in here without understanding
# what they do.  They're here only as hints or reminders.  If you are unsure
# consult the online docs. You have been warned. 
#
# The configuration directives are grouped into three basic sections:
#  1. Directives that control the operation of the Apache server process as a
#     whole (the 'global environment').
#  2. Directives that define the parameters of the 'main' or 'default' server,
#     which responds to requests that aren't handled by a virtual host.
#     These directives also provide default values for the settings
#     of all virtual hosts.
#  3. Settings for virtual hosts, which allow Web requests to be sent to
#     different IP addresses or hostnames and have them handled by the
#     same Apache server process.
#
# Configuration and logfile names: If the filenames you specify for many
# of the server's control files begin with "/" (or "drive:/" for Win32), the
# server will use that explicit path.  If the filenames do *not* begin
# with "/", the value of ServerRoot is prepended -- so "foo.log"
# with ServerRoot set to "/etc/apache2" will be interpreted by the
# server as "/etc/apache2/foo.log".
#

### Section 1: Global Environment
#
# The directives in this section affect the overall operation of Apache,
# such as the number of concurrent requests it can handle or where it
# can find its configuration files.
#

#
# ServerRoot: The top of the directory tree under which the server's
# configuration, error, and log files are kept.
#
# NOTE!  If you intend to place this on an NFS (or otherwise network)
# mounted filesystem then please read the LockFile documentation (available
# at <URL:http://httpd.apache.org/docs/2.2/mod/mpm_common.html#lockfile>);
# you will save yourself a lot of trouble.
#
# Do NOT add a slash at the end of the directory path.
#
#ServerRoot "/etc/apache2"

#
# The accept serialization lock file MUST BE STORED ON A LOCAL DISK.
#
LockFile ${APACHE_LOCK_DIR}/accept.lock

#
# PidFile: The file in which the server should record its process
# identification number when it starts.
# This needs to be set in /etc/apache2/envvars
#
PidFile ${APACHE_PID_FILE}

#
# Timeout: The number of seconds before receives and sends time out.
#
Timeout 300

#
# KeepAlive: Whether or not to allow persistent connections (more than
# one request per connection). Set to "Off" to deactivate.
#
KeepAlive Off

#
# MaxKeepAliveRequests: The maximum number of requests to allow
# during a persistent connection. Set to 0 to allow an unlimited amount.
# We recommend you leave this number high, for maximum performance.
#
MaxKeepAliveRequests 100

#
# KeepAliveTimeout: Number of seconds to wait for the next request from the
# same client on the same connection.
#
KeepAliveTimeout 5

##
## Server-Pool Size Regulation (MPM specific)
##

# prefork MPM
# StartServers: number of server processes to start
# MinSpareServers: minimum number of server processes which are kept spare
# MaxSpareServers: maximum number of server processes which are kept spare
# MaxClients: maximum number of server processes allowed to start
# MaxRequestsPerChild: maximum number of requests a server process serves
<IfModule mpm_prefork_module>
    StartServers          2
    MinSpareServers       6
    MaxSpareServers      12
    MaxClients           30
    MaxRequestsPerChild  3000
</IfModule>

# worker MPM
# StartServers: initial number of server processes to start
# MinSpareThreads: minimum number of worker threads which are kept spare
# MaxSpareThreads: maximum number of worker threads which are kept spare
# ThreadLimit: ThreadsPerChild can be changed to this maximum value during a
#              graceful restart. ThreadLimit can only be changed by stopping
#              and starting Apache.
# ThreadsPerChild: constant number of worker threads in each server process
# MaxClients: maximum number of simultaneous client connections
# MaxRequestsPerChild: maximum number of requests a server process serves
<IfModule mpm_worker_module>
    StartServers          2
    MinSpareThreads      25
    MaxSpareThreads      75
    ThreadLimit          64
    ThreadsPerChild      25
    MaxClients          150
    MaxRequestsPerChild   0
</IfModule>

# event MPM
# StartServers: initial number of server processes to start
# MinSpareThreads: minimum number of worker threads which are kept spare
# MaxSpareThreads: maximum number of worker threads which are kept spare
# ThreadsPerChild: constant number of worker threads in each server process
# MaxClients: maximum number of simultaneous client connections
# MaxRequestsPerChild: maximum number of requests a server process serves
<IfModule mpm_event_module>
    StartServers          2
    MinSpareThreads      25
    MaxSpareThreads      75
    ThreadLimit          64
    ThreadsPerChild      25
    MaxClients          150
    MaxRequestsPerChild   0
</IfModule>

# These need to be set in /etc/apache2/envvars
User ${APACHE_RUN_USER}
Group ${APACHE_RUN_GROUP}


# According to Linode Wiki, if the below code is missing, errors might result when second vhost enabled

    NameVirtualHost *:80

    <ifmodule mod_ssl.c>
        NameVirtualHost *:443
    </ifmodule>


#
# AccessFileName: The name of the file to look for in each directory
# for additional configuration directives.  See also the AllowOverride
# directive.
#

AccessFileName .htaccess

#
# The following lines prevent .htaccess and .htpasswd files from being
# viewed by Web clients.
#
<Files ~ "^\.ht">
    Order allow,deny
    Deny from all
    Satisfy all
</Files>

#
# DefaultType is the default MIME type the server will use for a document
# if it cannot otherwise determine one, such as from filename extensions.
# If your server contains mostly text or HTML documents, "text/plain" is
# a good value.  If most of your content is binary, such as applications
# or images, you may want to use "application/octet-stream" instead to
# keep browsers from trying to display binary files as though they are
# text.
#
# It is also possible to omit any default MIME type and let the
# client's browser guess an appropriate action instead. Typically the
# browser will decide based on the file's extension then. In cases
# where no good assumption can be made, letting the default MIME type
# unset is suggested  instead of forcing the browser to accept
# incorrect  metadata.
#
DefaultType None


#
# HostnameLookups: Log the names of clients or just their IP addresses
# e.g., www.apache.org (on) or 204.62.129.132 (off).
# The default is off because it'd be overall better for the net if people
# had to knowingly turn this feature on, since enabling it means that
# each client request will result in AT LEAST one lookup request to the
# nameserver.
#
HostnameLookups Off

# ErrorLog: The location of the error log file.
# If you do not specify an ErrorLog directive within a <VirtualHost>
# container, error messages relating to that virtual host will be
# logged here.  If you *do* define an error logfile for a <VirtualHost>
# container, that host's errors will be logged there and not here.
#
ErrorLog ${APACHE_LOG_DIR}/error.log

#
# LogLevel: Control the number of messages logged to the error_log.
# Possible values include: debug, info, notice, warn, error, crit,
# alert, emerg.
#
LogLevel warn

# Include module configuration:
Include mods-enabled/*.load
Include mods-enabled/*.conf

# Include all the user configurations:
Include httpd.conf

# Include ports listing
Include ports.conf

#
# The following directives define some format nicknames for use with
# a CustomLog directive (see below).
# If you are behind a reverse proxy, you might want to change %h into %{X-Forwarded-For}i
#
LogFormat "%v:%p %h %l %u %t \"%r\" %>s %O \"%{Referer}i\" \"%{User-Agent}i\"" vhost_combined
LogFormat "%h %l %u %t \"%r\" %>s %O \"%{Referer}i\" \"%{User-Agent}i\"" combined
LogFormat "%h %l %u %t \"%r\" %>s %O" common
LogFormat "%{Referer}i -> %U" referer
LogFormat "%{User-agent}i" agent

# Include of directories ignores editors' and dpkg's backup files,
# see README.Debian for details.

# Include generic snippets of statements
Include conf.d/

# Include the virtual host configurations:
Include sites-enabled/

# Include phpmyadmin
Include /etc/phpmyadmin/apache.conf


I really hope someone can figure out what's wrong with my settings here. I will provide more screenshots or information if the above is not sufficient.

I need to move on with my learning curve...

Thank you in advance.


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 Post subject: Re: Virtual Host Setup
PostPosted: Wed Nov 13, 2013 3:55 pm 
Offline
Senior Newbie

Joined: Wed Nov 13, 2013 1:47 pm
Posts: 6
Okie, in a very lucky trial and error attempt, I was able to solve my problem, but I do not understand why.

Anyway, the solution was I changed the <VirtualHost *:80> to <VirtualHost my.li.node.ip:80> for all the domains.

But shouldn't the asterisk also work?

I am working to point the other domains. Hope it works.


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 Post subject: Re: Virtual Host Setup
PostPosted: Wed Nov 13, 2013 5:14 pm 
Offline
Senior Newbie

Joined: Wed Nov 13, 2013 1:47 pm
Posts: 6
Okie, after I DNS-pointed domain-one.com to the same nameserver (ns1.linode.com, ns2.linode.com...), all hell break loose again.

Now, domain-one.com points correctly to the right DocumentRoot.

domain-three.com just displays a 500 Internal Server Error.

Note: I reverted all the <VirtualHost my.li.node.ip:80> back to <VirtualHost *:80> for all the domains.

I keep reading the guides on Virtual Host for Ubuntu. It looks really simple and straight forward- edit config files for each domains, enable them and edit apache config. I must have messed up something which I don't even know...


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