redis配置systemctl，并以普通用户运行

cat> /lib/systemd/system/redis.service << 'EOF'
[Unit]
Description=redis
After=network.target

[Service]
User=redis
Group=redis
Type=forking
PIDFile=/var/run/redis_6379.pid
ExecStart=/usr/local/redis/src/redis-server /usr/local/redis/redis.conf
ExecReload=/bin/kill -s HUP $MAINPID
ExecStop=/bin/kill -s QUIT $MAINPID
PrivateTmp=true

[Install]
WantedBy=multi-user.target
EOF

systemctl deamon-reload
systemctl restart redis