Install Redis on Centos 6

1) Redis

rpm -Uvh http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-6.rpm
yum -y --enablerepo=remi,remi-test install redis

2) Config

sudo nano /etc/sysctl.conf
    # Redis
    vm.overcommit_memory=1
    
sysctl vm.overcommit_memory=1

sysctl -w fs.file-max=100000

3) Service commands

chkconfig --add redis
chkconfig --level 345 redis on
service redis start
redis-cli ping

4) Install PHP redis extension

wget https://github.com/nicolasff/phpredis/zipball/master -O phpredis.zip
unzip phpredis.zip
cd phpredis-phpredis-*
phpize
./configure
make
make install

#CPanel
nano /usr/local/lib/php.ini
    extension=redis.so

php -r "var_dump(class_exists('Redis'));"