Linux Ask! is a Q & A web site specific for Linux related questions. Questions are collected, answered and audited by experienced Linux users.
How to compile APC module for PHP
Answer:
The following steps works in RHEL/CentOS
1. Download the latest APC from PECL
wget http://pecl.php.net/get/APC
2. Extract the APC source package and compile/install it
tar -xvf APC
cd APC-X.X.X (replace with your downloaded version)
phpize
./configure
make && make install
3. Enable APC in PHP configuration
echo "extension=apc.so" > /etc/php.d/apc.ini
4. Restart the httpd and use phpinfo() to verify if APC is running
How to display the current runlevel in RedHat/Fedora
Answer:
# /sbin/runlevel
N 3
3 is the current runlevel, and N means no previous runlevel
Remove default Fedora/RHEL/CentOS default Apache welcome page
Answer:
To remove the Apache default welcome page under Fedora/RHEL/CentOS,
1. Remove the welcome page configuration
# rm -rf /etc/httpd/conf.d/welcome.conf2. Restart Apache
# /etc/init.d/httpd restart That's all.
How to upgrade an installed RPM package
Answer:
To upgrade an installed RPM package under Red Hat/Fedora/CentOS
# rpm –Uvh package.rpmInstall GD Library for PHP on Linux
Answer:
To install GD Library for PHP on Linux
1. Fedora/CentOS
# yum install php-gd
Then restart Apache
# service httpd restart
2. Debian/Ubuntu
# sudo apt-get install php5-gd
Then restart Apache
# sudo /etc/init.d/apache restart
