【Ubuntu】Install the PECL uploadprogress library on Ubuntu 10
# Install PHP developer package
sudo apt-get install php5-dev
# Install the pear library
sudo apt-get install php5-dev php-pear
# Install the PECL uploadprogress library
sudo pecl install uploadprogress
# Open php.ini and add the line "extension=uploadprogress.so"
sudo gedit /etc/php5/apache2/php.ini
# Restart apache:
sudo /etc/init.d/apache2 restart
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