title: REDIS (error) ERR unknown command 'set' on Redis 3.0.4
body: <p>I just installed Redis 3.0.4 on Ubuntu Server 11.04.3 LTS</p>
  
  <p>I'm running redis-cli but when I type</p>
  
  <pre><code>127.0.0.1:6379&gt; set myKey hello
  </code></pre>
  
  <p>or</p>
  
  <pre><code>127.0.0.1:6379&gt; set myKey 'hello'
  </code></pre>
  
  <p>or</p>
  
  <pre><code>127.0.0.1:6379&gt; set myKey "hello"
  </code></pre>
  
  <p>it displays </p>
  
  <pre><code>(error) ERR unknown command 'set'
  </code></pre>
  
  <p>if I type </p>
  
  <pre><code>127.0.0.1:6379&gt; help set
  </code></pre>
  
  <p>it displays </p>
  
  <pre><code>SET key value [EX seconds] [PX milliseconds] [NX|XX]
  summary: Set the string value of a key
  since: 1.0.0
  group: string
  </code></pre>
  
  <p>I leave here the info that Redis gave me for more help</p>
  
  <pre><code>127.0.0.1:6379&gt; info
  # Server
  redis_version:3.0.4
  redis_git_sha1:00000000
  redis_git_dirty:0
  redis_build_id:ca8b1c102698f8cb
  redis_mode:sentinel
  os:Linux 3.19.0-25-generic x86_64
  arch_bits:64
  multiplexing_api:epoll
  gcc_version:4.8.4
  process_id:1196
  run_id:28b1360b9c9c17d2c4645a0b541a080c6c35a263
  tcp_port:6379
  uptime_in_seconds:3212
  uptime_in_days:0
  hz:18
  lru_clock:1675551
  config_file:/etc/redis.conf
  </code></pre>
  
  <p>thanks for any help</p>