编译安装：
apt-get update
apt-get install build-essential tcl
wget http://download.redis.io/redis-stable.tar.gz
tar xf redis-stable.tar.gz
cd redis-stable;make;make install
配置文件：
cp /root/work/redis-stable/redis.conf /etc/redis
vi /etc/redis/redis.conf
supervised systemd
dir /data/redis
启动脚本：
vi /etc/systemd/system/redis.service
[Unit]
Description=Redis In-Memory Data Store
After=network.target
[Service]
User=redis
Group=redis
ExecStart=/usr/local/bin/redis-server /etc/redis/redis.conf
ExecStop=/usr/local/bin/redis-cli shutdown
Restart=always
[Install]
WantedBy=multi-user.target
用户和组：
adduser --system --group --no-create-home redis
目录和权限：
mkdir /data/redis
chown redis:redis /data/redis
chmod 770 /data/redis
启动和关闭：
systemctl start redis
systemctl status redis
systemctl stop redis
systemctl restart redis
测试redis：
redis-cli
127.0.0.1:6379> ping
PONG
测试都通过后，设置开机启动redis：
systemctl enable redis
