How to upgrade a single package in Ubuntu
Answer:
To upgrade a single package, you just need to install the package again, e.g.
# sudo apt-get install nginx
May 272012
Jun 022009
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
