自动下载安装redis

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  由于开发的同事想在它本地的虚拟机玩一下redis缓存，当即给他写了一个脚本，现在贴在这里，有需要的朋友可以看看：（此脚本大致包含了创建用户以及密码，下载编译安装redis，修改配置文件，启动redis服务，还是比较简单的）
############################ install_redis.sh ###############################
#!/bin/bash
# define the function of create password
create_passwd(){
    a=(a b c d e f A B C D E F @ $ % 0 1 2 3 4 5 6 7 8 9)
    for ((i=0;i<10;i++));do
        echo -n ${a[$RANDOM % ${#a[@]}]}
    done
    echo
}

# create redis user and give it password
useradd redis
password=`create_passwd`
echo $password >> /home/redis/redis_password.txt
echo $password | passwd --stdin redis

# after download redis,compile and install redis
yum -y install wget
cd /root/src/ || mkdir -p /root/src && cd /root/src/
wget http://download.redis.io/releases/redis-3.2.3.tar.gz
tar xf redis-3.2.3.tar.gz
cd /root/src/redis-3.2.3
make
make PREFIX=/usr/local/redis install
cp /root/src/redis-3.2.3/redis.conf /usr/local/redis/
sed -i 's/daemonize no/daemonize yes/g' /usr/local/redis/redis.conf

# change the authority of redis-installed dir and startup redis service
chown -R redis:redis /usr/local/redis/
su - redis
cd /usr/local/redis/bin/
./redis-server ../redis.conf
echo "welcome to use redis service"