how to compile php 5.2 on centos 4

- references :
http://wiki.centos.org/HowTos/SetupRpmBuildEnvironment
http://mypetprogrammer.wordpress.com/2007/10/06/upgrading-php-from-439-to-52-on-cent-os4/
http://www.jasonlitka.com/2006/11/30/upgrading-php-520-rhel-centos/
http://www.jasonlitka.com/media/SRPMS/


rpm -i http://www.jasonlitka.com/media/SRPMS/pcre-7.8-1.jason.1.src.rpm
wget http://www.jasonlitka.com/media/SRPMS/php-5.2.11-jason.1.src.rpm
wget http://www.jasonlitka.com/media/SRPMS/php-pear-1.7.2-2.jason.1.src.rpm
rpm -i php-pear-1.7.2-2.jason.1.src.rpm
rpm -i http://www.jasonlitka.com/media/SRPMS/pcre-7.8-1.jason.1.src.rpm

cd /usr/src/redhat/SPECS/
rpmbuild -bb pcre.spec
rpm -Uvh ../RPMS/i386/pcre-7.8-1.jason.1.i386.rpm
mv -v ../RPMS/i386/* /tmp

rpmbuild -bb php.spec
rpm -Uvh --nodeps ../RPMS/i386/*.rpm
mv -v ../RPMS/i386/* /tmp

rpmbuild -bb php-pear.spec
rpm -Uvh --nodeps ../RPMS/noarch/*.rpm
mv -v ../RPMS/noarch/* /tmp

ldconfig -v
php -v
/etc/init.d/httpd restart

how to permanently configure the system LD_LIBRARY_PATH

example :
vim /etc/ld.so.conf
[add the line to the end of the file]
/usr/local/lib
:w

ldconfig -v
check
ldconfig -p

how to disable bell on linux

http://www.commandlinefu.com/commands/view/5486/system-beep-off

setterm -blength 0
or
setterm -bfreq 0
or
sudo rmmod pcspkr

how to burn mp3 audio disks with k3b on ubuntu linux

sudo apt-get install libk3b6-extracodecs

how to solve slow compiz on ubuntu linux

compiz --replace --indirect-rendering

how to optimize ssh speed on ubuntu linux

check which cypher works fastest on your machine :
openssl speed aes rc4 blowfish

then use it :
ssh -c arcfour user@xxx.xxx.xxx.xxx

how to scan document with ubuntu linux (scanner tyutorial)

sudo add-apt-repository ppa:robert-ancell/simple-scan
sudo apt-get update
sudo apt-get install simple-scan
simple-scan

reference :
http://lifehacker.com/5483366/simple-scan-makes-linux-scanning-beginner+friendly
https://launchpad.net/simple-scan