[CentOS] Re: install LAMP

Scott Silva ssilva at sgvwater.com
Tue Mar 4 16:22:45 UTC 2008


on 3-4-2008 5:04 AM Hiep Nguyen spake the following:
> On Mon, 3 Mar 2008, Matt Hyclak wrote:
> 
>> On Mon, Mar 03, 2008 at 08:54:03AM -0800, Hiep Nguyen enlightened us:
>>>> On Mon, Mar 3, 2008 at 8:52 AM, Hiep Nguyen 
>>>> <hiep at ee.ucr.edu> wrote:
>>>>> i'm not an expert on linux/centos, but i play with it and have a 
>>>>> general
>>>>> idea.  it's time for me to setup a centos box for development.  i 
>>>>> rarely
>>>>> install anything from source, except a few times in college when i 
>>>>> have
>>>>> to
>>>>> modify kernel for OS project.  but i guess i can learn now.
>>>>>
>>>>> i just installed centos 5 with minimal installation.  next step is to
>>>>> install LAMP w/ SSL.
>>>>>
>>>>> i found http://lamphowto.com/lampssl.html, but i have questions 
>>>>> before i
>>>>> proceed.
>>>>>
>>>>> is it better to install from source or rpm?  how easy it is to
>>>>> upgrade/update if install from source?  it seems so much easy to
>>>>> upgrade/update from rpm, well b/c i'm always do this way.
>>>>>
>>>>> is there any other instruction (beside the one mentioned above) to
>>>>> install
>>>>> LAMP w/ SSL?
>>>>>
>>>>> appreciate your help/suggestion
>>>>> t. hiep
>>>>
>>>> It's better to stick to the RPMs to make it easier to upgrade.  If you
>>>> want an easy way to install LAMP you can run 2 commands
>>>>
>>>> yum -y groupinstall "Web Server"
>>>> yum -y install mysql-server php-mysql
>>>>
>>>> This will get Apache, MySQL, and PHP all installed.
>>>
>>> all done. now, how do i force apache & mysql servers start up 
>>> whenever the
>>> box boot?
>>>
>>
>> I would suggest reading the Deployment Guide
>> (http://www.centos.org/docs/5/html/5.1/Deployment_Guide/) which will 
>> answer
>> many of these questions.
>>
>> A place for you to start on this particular question would be the man 
>> page
>> of the chkconfig command.
>>
> 
> thank you everyone for helping.  done with installation, now move on to 
> configuration.
> 
> i try to access web server (10.0.0.160), but couldn't found.  so check 
> to see if httpd is running or not.
> 
<snip>
> 
> my question is why so many of them running???
Your config file has a setting for how many children should be always running, 
and how many connections each can accept before starting more.
> 
> less /etc/httpd/logs/error_log:
> [Mon Mar 03 13:30:03 2008] [notice] SELinux policy enabled; httpd 
> running as context root:system_r:httpd_
> t:s0
> [Mon Mar 03 13:30:03 2008] [notice] suEXEC mechanism enabled (wrapper: 
> /usr/sbin/suexec)
> [Mon Mar 03 13:30:04 2008] [notice] Digest: generating secret for digest 
> authentication ...
> [Mon Mar 03 13:30:04 2008] [notice] Digest: done
> [Mon Mar 03 13:30:04 2008] [notice] mod_python: Creating 4 session 
> mutexes based on 256 max processes and
>  0 max threads.
> [Mon Mar 03 13:30:05 2008] [notice] Apache/2.2.3 (CentOS) configured -- 
> resuming normal operations
> [Tue Mar 04 08:00:38 2008] [notice] caught SIGTERM, shutting down
> [Tue Mar 04 08:02:51 2008] [notice] SELinux policy enabled; httpd 
> running as context system_u:system_r:ht
> tpd_t:s0
> [Tue Mar 04 08:02:51 2008] [notice] suEXEC mechanism enabled (wrapper: 
> /usr/sbin/suexec)
> [Tue Mar 04 08:02:52 2008] [notice] Digest: generating secret for digest 
> authentication ...
> [Tue Mar 04 08:02:52 2008] [notice] Digest: done
> [Tue Mar 04 08:02:53 2008] [notice] mod_python: Creating 4 session 
> mutexes based on 256 max processes and
>  0 max threads.
> [Tue Mar 04 08:02:53 2008] [notice] Apache/2.2.3 (CentOS) configured -- 
> resuming normal operations
> 
> 
> any clue why i can't see web server from my internal network?  i can 
> ping 10.0.0.160 no problem.
> 
> t. hiep
Do you have the firewall properly configured?
You should get the standard CentOS placeholder page. Try either adjusting your 
firewall or temporarily turning it off and see if you get something.

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You hope everybody uses it, and
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