Installs Redis on CentOS.

redis-centos.sh

#!/bin/bash
################################################################################
# Installing Redis on CentOS
# with lots of help from:
# * https://gist.github.com/coder4web/5762999
# * http://www.codingsteps.com/install-redis-2-6-on-amazon-ec2-linux-ami-or-centos/
# * https://coderwall.com/p/ypo94q
# * https://raw.github.com/gist/257849/9f1e627e0b7dbe68882fa2b7bdb1b2b263522004/redis-server
################################################################################

yum install make gcc tcl

cd ~

# check http://redis.io for updates
wget http://redis.googlecode.com/files/redis-2.6.14.tar.gz

tar xzf redis-2.6.14.tar.gz
cd redis-2.6.14
make
make test
make install

# add to PATH: /usr/local/bin

# ensure these two paths exist:
mkdir /etc/redis
mkdir /var/lib/redis

# modify redis.conf, save changes to redis.conf.modified:
sed -e "s/^daemonize no$/daemonize yes/" -e "s/^dir \.\//dir \/var\/lib\/redis\//" -e "s/^loglevel debug$/loglevel notice/" -e "s/^logfile stdout$/logfile \/var\/log\/redis.log/" < redis.conf > redis.conf.modified

# copy (and rename in the process) redis.conf.modified to under /etc location:
cp redis.conf.modified /etc/redis/redis.conf

# grab redis-server file from: https://raw.github.com/gist/257849/9f1e627e0b7dbe68882fa2b7bdb1b2b263522004/redis-server

# correct all paths
sed -i "s/usr\/local\/sbin\/redis/usr\/local\/bin\/redis/" redis-server

chmod u+x redis-server
cp redis-server /etc/init.d
/sbin/chkconfig --add redis-server
/sbin/chkconfig --level 345 redis-server on
/sbin/service redis-server start