FW: Apache2 Manhattan Virtual Classroom
Simo, I have finally discovered the problem when I restarted Apache2 service
and received this message.
(98)Address all ready in use :make_sock could not bind to address
69.40.134.205:80
No listening sockets available, shutting down
Unable to open logs
Closer investigation finds a version 1.3 of Apache running! What's the deal
here? Why install 2 versions of Apache , "Debian"?
I guess I should have used the "manually install packages" option during
installation to avoid this. So, now I either have to figure a way to kill
off the old version of Apache or just keep it from running. I would prefer
to be rid of it and only have Apache 2.
Thanks,
Cary Pembleton
IT Consultant
PC Tech Help, LLC
32 Cove Lane
Campbellsville, KY 42718
(270) 789-0187 Office
http://www.pctechhelp.net
-----Original Message-----
From: Cary Pembleton [mailto:carywinton@pctechhelp.net]
Sent: Sunday, August 06, 2006 11:08 PM
To: 'Simo Kauppi'
Cc: debian-user@lists.debian.org
Subject: RE: Apache2 Manhattan Virtual Classroom
Simo,
Ok I have the default site working for Apache2, I have completed all the
installation instructions for the MVC, I followed every step you gave me and
I receive this error when I try to restart the Apache2;
Apache2: Could not open document config file
/etc/apache2/sites-enabled/000_mydefault
Also my Apache2 default site does not display, but this was expected since
we removed it. So how will I be able to "test" if Apache is running or
working? I have to admit this is becoming a real pain in my ass! I certainly
think I could have gotten this working with Apache 1.3.33 a long time ago,
but there must be a reason you recommended against using this. If only I
could get Webmin to see Apache 2 instead of Apache 1.3.33 I could configure
all of this quite easily and quickly. Somehow I suspect your going to give
some sort of Linux Purist response to nice cushy web interfaces, yeah yeah,
I have been doing Microsoft stuff too long I guess and forgot how to work
and think at the command line. But hey, I have a family of 5, a wife with
Muscular Dystrophy, 2 special needs children ages 4 and 5 and a teen age
son. I do not have the luxury of time like a lot of people, so who could
blame me for wanting, quick , neat and sweet. :o) So, my good and patient
friend, what do I do now? I really want to be able to host a couple of web
sites off this box. But for now I would be happy to just have one site which
gives a brief explanation of the virtual classroom, the courses available
and the costs, Then a nice link to send the paying customers on their way to
the MVC. Is this too much to ask? I am beginning to think so on Apache 2.
Respectfully,
Cary Pembleton
IT Consultant
PC Tech Help, LLC
32 Cove Lane
Campbellsville, KY 42718
(270) 789-0187 Office
http://www.pctechhelp.net
-----Original Message-----
From: Simo Kauppi [mailto:swk@nic.fi]
Sent: Thursday, August 03, 2006 1:07 PM
To: Cary Pembleton
Subject: Re: Apache2 Manhattan Virtual Classroom
On Thu, Aug 03, 2006 at 11:48:13AM -0400, Cary Pembleton wrote:
> Simo,
> It "More" than helps! You should consider "teaching" as a secondary
> career for Linux Debian and hosting your own web server. You have a
> "gift" for explanation and clarity. This is quite unusual, trust me, I
> get customers all the time which have been thoroughly confused by
> other technicians , engineers or service centers. It has taken me
> slightly over 20 years to develop these kind of skills. I am going to
> do an OS rebuild. I am considering, not installing Apace2, but rather
> waiting and installing Apache 1.3, the reason is simple. I believe the
> Manhattan VC was designed with the older version in mind. It may
> simplify things quite a bit. I had this working on a RedHat 7 box a
> few years back and had little or no difficulty with it. I even had
> FrontPage extensions working so building a front end web site for it
> was a snap. What are your thoughts on this approach? I think Debian
> will be a far better OS choice than some of the other Linux
> distributions,
based on my research it has a better record for stability.
> As always, you da man! Thanks!
> Cary
Hi Cary,
Thanks for your kind words :)
I actually do technical writing as a part of my job. I try to convert the
engineers' jargon into a human understandable form.
I just tested my own instructions with a fresh install of Apache2 in a
Debian box and it works like a charm :)
A couple of minor details I noticed:
The fresh install of apache2 already has 'Listen 80' in the
/etc/apache2/ports.conf, so either let it be or change it to
'xx.yy.zz.ww:80', it cannot have both.
Also, you can do without the DocumentRoot -directive in the file
/etc/apache2/sites-available/manhat (it doesn't hurt either).
Also, the link in the /etc/apache2/sites-enabled is called 000-default, so
to remove it: rm /etc/apache2/sites-enabled/000-default
Also, you probably noticed that you need to change the HTTPD_GROUP to
"www-data" both in custom.h and Makefile before compiling the MVC.
You can do the installation without using the virtualhost, if this is going
to be the only site in your server. Just don't link the default file into
the /etc/apache2/sites-enabled/ directory and remove the <VirtualHost> and
</VirtualHost> tags from the file manhat. I.e. the file manhat is the only
file in the /etc/apache2/sites-enabled/ -directory.
I would not go to the version 1.3 without a very good reason. I've learnt to
like the way things are arranged in the Debian version of Apache2. Also if
you want to start using SSL-access to the site,
Apache2 has the mod_ssl included.
Also I am a big fan of Debian GNU / Linux and I wouldn't switch to another
distribution :)
With kind regards
Simo
So here are the revised instructions:
After installing apache2, check that user manhat belongs to the group
www-data. Log in as manhat and give the command 'groups'.
If the group www-data is not there, add it:
adduser manhat www-data
Change the Listen directive in the /etc/apache2/ports.conf to:
Listen xx.yy.zz.ww:80
Create a file /etc/apache2/sites-available/manhat and put this into it:
-------------8<-cut here----------------------------------
# Remove the tag below, if this is your only site <VirtualHost
xx.yy.zz.ww:80>
# This should be a working email address
ServerAdmin webmaster@yourdomain.com
# Make sure that you put your real servername here
ServerName www.manhat.yourdomain.com
# You might want to make a simple index.html into /home/manhat # e.g just a
link to the manhat-bin/doorstep # Otherwise you can change this to #
DocumentRoot /var/www
# DocumentRoot /home/manhat
ScriptAlias /manhat-bin/ /home/manhat/manhat-3.1.0/bin/
<Directory "/home/manhat/manhat-3.1.0/bin/">
AllowOverride None
Options +ExecCGI -Includes
Order allow,deny
Allow from all
</Directory>
ScriptAlias /manhat-sbin/ /home/manhat/manhat-3.1.0/sbin/
<Directory "/home/manhat/manhat-3.1.0/sbin/">
AllowOverride None
Options +ExecCGI -Includes
Order allow,deny
Allow from all
</Directory>
Alias /manhat-images/ /home/manhat/manhat-3.1.0/images/
<Directory /home/manhat/manhat-3.1.0/images>
Options FollowSymLinks
AllowOverride None
Allow from all
</Directory>
CustomLog /var/log/apache2/manhat-access.log combined
ErrorLog /var/log/apache2/manhat-error.log # LogLevel can be: debug, info,
notice, warn, error, crit, alert or emerg
LogLevel warn
# Remove the tag below, if this is your only site </VirtualHost>
-------------------8<-cut here-----------------------------
Remove the default link from the /etc/apache2/sites-enabled:
rm /etc/apache2/sites-enabled/000-default
Copy /etc/apache2/sites-available/default to
/etc/apache2/sites-available/mydefault
Note! Not needed, if this is your only site Edit the file
/etc/apache2/sites-available/mydefault and change the first two lines to:
NameVirtualHost xx.yy.zz.ww:80
<VirtualHost xx.yy.zz.ww:80>
Note! Link only the file manhat, if this is your only site Link the files to
the /etc/apache2/sites-enabled/:
ln -s /etc/apache2/sites-available/mydefault
/etc/apache2/sites-enabled/000_mydefault
ln -s /etc/apache2/sites-available/manhat
/etc/apache2/sites-enabled/010_manhat
The prefix numbers are there to make sure that the files are read in the
correct order :)
Restart your www-server.
Make sure that you have your ip-address defined in the /etc/hosts.
Note, if you want people to access the site, you need to have your
ip-address defined in a DNS-server which is visible to other machines.
The other machines cannot see your /etc/hosts. If you don't have a
DNS-server, you can define the ip-address in each machine's /etc/hosts file
(or \windows\system32\drivers\etc\hosts in case of windows-clients).
If you have a firewall, make sure that it lets incoming connections to the
port 80.
Point your browser to http://www.manhat.yourdomain.com/manhat-bin/doorstep
You can check the log file /var/log/apache2/manhat-error.log for any
problems. You can increase the loglevel to debug to see more info.
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