TechBytes » OpenSource

Installing Lighttpd, PHP and MySQL on Ubuntu

Asim Zeeshan — Mon, 19 Jul 2010 13:22:38 +0000

On VPS, especially with challenging small memory limit (e.g. 64MB or 128MB) lighttpd is the best option instead of Apache. In this article I will show you how to do that. On a fresh box (which has no apache installed) type this to get lighttpd webserver installed

apt-get install lighttpd

Now install PHP5 CGI package and PHP5 command line package

apt-get install php5-cgi php5-cli

Edit the following file

nano /etc/php5/cgi/php.ini

and uncomment this line

cgi.fix_pathinfo = 1

Now enable fastcgi module

lighty-enable-mod fastcgi

Restart Lighttpd

/etc/init.d/lighttpd restart

You get the welcome page

Lets install MySQL 5.1 server and client

apt-get install mysql-server mysql-client

and optionally phpMyAdmin

apt-get install phpmyadmin

Now create a test page to see if phpinfo is all Ok

nano /var/www/info.php

Type in the following

Install PHP5 ADOdb extension on Ubuntu

Asim Zeeshan — Sun, 30 May 2010 05:00:37 +0000

ADOdb library is a very good data abstraction layer for PHP. Installing a PHP extension enables the library to auto-detect this and give even better performance. To install this library on Ubuntu 10.04 LTS do this

apt-get install php5-adodb

Installing T1LIB on Ubuntu

Asim Zeeshan — Sat, 29 May 2010 05:00:43 +0000

I recently found out about T1LIB. But I had no clue how to install this. Lucky for me I am on Ubuntu and I have the ability to search for a package.

T1LIB is actually in the latest Ubuntu 10.04 LTS. You can install it by punching in the following command

apt-get install t1lib-bin

Joomla does not support PHP 5.3

Asim Zeeshan — Tue, 12 Jan 2010 19:00:13 +0000

Are you getting these errors in Joomla?

Warning: Parameter 1 to modMainMenuHelper::buildXML() expected to be a reference, value given in /home/xx/public_html/libraries/joomla/cache/handler/callback.php on line 99

Warning: Parameter 1 to HTML_content::show() expected to be a reference, value given in /home/xx/public_html/travel/includes/Cache/Lite/Function.php on line 92

Its because Joomla does not support PHP 5.3 or PHP 5.3.1

Just downgrade your PHP version and these errors will go away

CentOS yum update missing dependency error

Asim Zeeshan — Fri, 07 Aug 2009 12:13:47 +0000

If you are using

yum update

on CentOS and getting the following errors

Missing Dependency: /usr/lib/python2.4 is needed by package libxml2-python-2.6.26-2.1.2.7.i386 (installed)
gamin-python-0.1.7-8.el5.i386 from installed has depsolving problems
Missing Dependency: /usr/lib/python2.4 is needed by package gamin-python-0.1.7-8.el5.i386 (installed)
Error: Missing Dependency: /usr/lib/python2.4 is needed by package libxml2-python-2.6.26-2.1.2.7.i386 (installed)
Error: Missing Dependency: /usr/lib/python2.4 is needed by package gamin-python-0.1.7-8.el5.i386 (installed)

Don’t panic, the solution is simple … just run the following command

yum clean all

Then do

yum update

Installing PHP 5.2.6 on CentOS box

Asim Zeeshan — Fri, 10 Jul 2009 10:15:03 +0000

If you want to install PHP 5.2.x instead of the PHP 1.5.6 offered with default CentOSPlus repo. Please consider installing the utterramblings repo. Setting up this repo is a breeze … just follow these steps

nano -w /etc/yum.repos.d/utterramblings.repo

(I prefer nano as I mentioned earlier in my posts but you can use vi or any other editor that you like)

Then paste the following code in the editor

[utterramblings]
name=Jason's Utter Ramblings Repo
baseurl=http://www.jasonlitka.com/media/EL$releasever/$basearch/
enabled=1
gpgcheck=1
gpgkey=http://www.jasonlitka.com/media/RPM-GPG-KEY-jlitka

Hit Ctrl+X and it will prompt you to save this file, you need to confirm this with punching Y

Now comes the last step, type the following and everything will be updated

yum update

Enjoy the latest packages

Note: PHP 5.3.0 is still not available in stable repos because the Zend Optimizer is still in Beta for that particular version.

How to Install Apache, PHP and MySQL on CentOS

Asim Zeeshan — Thu, 02 Jul 2009 04:47:33 +0000

I have seen people installing Apache, PHP and MySQL from source code on a production server. You should NEVER, NEVER, NEVER install these packages from source on an RPM or DEB based Linux distributions. Did I say “NEVER” enough times to make your realize that it is not a good practice?

Installing from source is bad idea; there are many reasons for this but the major one is that you will be spending a lot of time keeping the system updated. If you love installing from source then I would suggest using a different distribution e.g. Gentoo.

You can build from source if the package is not available in yum but still, try to use “yum” (or “apt-get” on Ubuntu) because it will save a lot of your time when upgrading your packages.

So here is the procedure to Install Apache, PHP and MySQL on a CentOS box.

First of all edit the following file using “vi” or any other editor you prefer (I prefer nano)

nano /etc/yum.repos.d/CentOS-Base.repo

Find the line under [centosplus] that reads something like this

enabled = 0

Change it to

enabled = 1

Then do

yum install httpd php mysql-server php-mysql php-gd

This will install Apache, PHP, MySQL and many other common packages

All you need now is to start Apache (httpd) and MySQL (mysqld)

/etc/init.d/httpd start
/etc/init.d/mysqld start

Wow, that was easy, so you got Apache, PHP and MySQL running on your system but still needs to be configured to auto-run on server boot (or reboot). Just punch in the following command and it will be done for both Apache and MySQL (you don’t need to do this for PHP since it is already bind to Apache)

/sbin/chkconfig httpd --level 345 on
/sbin/chkconfig mysqld --level 345 on

345 are basically run level 3, 4 and 5. If you want to study more about Run Levels please consult this article.

That’s it, these simple steps will give install Apache, PHP, MySQL and all the common packages that you will require. Most importantly, you can update these packages with just

yum update

(You may try this command right now but it will not work since you already got all the updated stuff installed)

Updating your system is a breeze now

Note 1: Please change the password for “root” user in MySQL.

Note 2: Your “DocumentRoot” is /var/www/html.

Update: Added instructions to auto-start Apache and MySQL when system starts / restarts.

How to Install Webmin in CentOS

Asim Zeeshan — Wed, 01 Jul 2009 09:20:03 +0000

Earlier, I posted a how-to to Install Webmin on Ubuntu, now im going through the tutorial again but this time for CentOS.

Install dependancies before we proceed to install webmin

yum -y install perl-Net-SSLeay

Download the latest version of webmin

wget http://downloads.sourceforge.net/project/webadmin/webmin/1.500/webmin-1.500-1.noarch.rpm?use_mirror=ignum

Once it is downloaded, install the RPM using the following command

rpm -i webmin-1.500-1.noarch.rpm

No more steps required. Its installed
Go to your browser and access the control panel with valid ssh credentials

RSS Feed to Twitter

Asim Zeeshan — Wed, 17 Jun 2009 13:21:29 +0000

Since twitterfeed.com has not been working good for me so I started looking at alternatives and found this great post about how to do this via PHP

Read RSS Feed Mashup + Twitter = Yummy!

Installing / re-installing and Configuring phpMyAdmin on Ubuntu

Asim Zeeshan — Wed, 17 Jun 2009 11:23:38 +0000

phpMyAdmin is a very common and handy tool that most of the developers use. It is available on almost every server.

Installing phpMyAdmin on Ubuntu server is even easier, you just need to

sudo apt-get install phpmyadmin

but what if we accidently skip the configuration screen where phpmyadmin makes modifications to apache?

Dont worry just do the following

Edit Apache’s configuration file (assuming you are using apache2)

sudo nano /etc/apache2/apache2.conf
# better to use the following command instead of the one above
#gksudo gedit /etc/apache2/apache2.conf

Add the following line of code inside apache2.conf:

Include /etc/phpmyadmin/apache.conf

Now restart Apache:

sudo /etc/init.d/apache2 restart

Go to /phpmyadmin/ and login with your mysql username and password.

TechBytes » OpenSource

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