Redis 已安装并且看起来正在运行：
\n\n[me@hsredistest01 ~]$ sudo systemctl status redis\n\xe2\x97\x8f redis.service - Redis persistent key-value database\n Loaded: loaded (/usr/lib/systemd/system/redis.service; enabled; vendor preset: disabled)\n Drop-In: /etc/systemd/system/redis.service.d\n \xe2\x94\x94\xe2\x94\x80limit.conf\n Active: active (running) since Mon 2019-04-22 19:03:35 +03; 34min ago\n Main PID: 8780 (redis-server)\n CGroup: /system.slice/redis.service\n \xe2\x94\x94\xe2\x94\x808780 /usr/bin/redis-server 127.0.0.1:6379\n这里说正在运行端口 6379，但是当我扫描正在运行的服务端口时，我看不到它。
\n\n[me@hsredistest01 ~]$ sudo nmap -sT -O localhost\n\nStarting Nmap 6.40 ( http://nmap.org ) at 2019-04-22 19:40 +03\nNmap scan report for localhost (127.0.0.1)\nHost is up (0.000078s latency).\nOther addresses for localhost (not scanned): 127.0.0.1\nNot shown: …