Installing gearmand and Gearman Job Server/Client for PHP

gearman-install

# For a long while now, you cannot rely on the ppa repository to install gearmand due to an old version of 
# libgearman being present and causing havoc during the install process. Instead, gearmand must be compiled 
# from source (replace 1.1.8 with the most current version of gearmand).

sudo apt-get install build-essential libboost-thread-dev libboost-program-options-dev libevent-dev libcloog-ppl0 libmysqld-dev uuid-dev gperf -y
wget https://launchpad.net/gearmand/1.2/1.1.8/+download/gearmand-1.1.8.tar.gz
mkdir ~/gearman-source
tar xzf gearmand-1.1.8.tar.gz -C ~/gearman-source
cd ~/gearman-source/gearmand-1.1.8
./configure
make
sudo make install
sudo ldconfig

# The following command must then be issued in order to install the Gearman Client/Server library for PHP

sudo pecl install gearman

# Finally, the following line must be added to php.ini (cli, apache):
#     extension=gearman.so

# Then restart Apache
#     sudo service apache2 restart

# gearmand can be then started on the Job Server, with a specific port. Ideally this will be controlled via 
# a daemon controller such as supervisord, but it can be manually run as well:
#     sudo gearmand -p 4730

# Port 4730 is the standard default, but any port can be used. The port must also be coordinated between 
# the client/worker, and in my experience needs to be explicitly supplied to gearmand.