title: Having trouble starting appium server on terminal
body: <p>I'm trying to run Appium 1.6.3 on terminal so I can run Appium on iOS simulator. In the past, I was able to start Appium on terminal. Ever since I upgraded the mac OS to 10.12.3, I always get the following error when I tried to run it:</p>
  
  <pre><code>-bash: appium: command not found
  </code></pre>
  
  <p>when I tried running appium-doctor, I usually get the following diagnosis:</p>
  
  <pre><code>info AppiumDoctor Appium Doctor v.1.3.0
  info AppiumDoctor ### Diagnostic starting ###
  info AppiumDoctor  ✔ The Node.js binary was found at: /usr/local/bin/node
  info AppiumDoctor  ✔ Node version is 6.9.4
  info AppiumDoctor  ✔ Xcode is installed at: /Applications/Xcode.app/Contents/Developer
  WARN AppiumDoctor  ✖ Xcode Command Line Tools are NOT installed!
  WARN AppiumDoctor  ✖ DevToolsSecurity is NOT enabled!
  info AppiumDoctor  ✔ The Authorization DB is set up properly.
  info AppiumDoctor  ✔ Carthage was found at: /usr/local/bin/carthage
  info AppiumDoctor  ✔ HOME is set to: /Users/jakerushing
  info AppiumDoctor  ✔ ANDROID_HOME is set to: /Users/jakerushing/Library/Android/sdk
  info AppiumDoctor  ✔ JAVA_HOME is set to: /Library/Java/JavaVirtualMachines/jdk1.8.0_45.jdk/Contents/Home
  info AppiumDoctor  ✔ adb exists at: /Users/jakerushing/Library/Android/sdk/platform-tools/adb
  info AppiumDoctor  ✔ android exists at: /Users/jakerushing/Library/Android/sdk/tools/android
  info AppiumDoctor  ✔ emulator exists at: /Users/jakerushing/Library/Android/sdk/tools/emulator
  info AppiumDoctor  ✔ Bin directory of $JAVA_HOME is set
  info AppiumDoctor ### Diagnostic completed, 2 fixes needed. ###
  </code></pre>
  
  <p>When I tried running <code>xcode-select --install</code>, I get the error saying that the tools are already installed, and DevToolsSecurity was already enabled. I tried uninstalling XCode command tools and reinstalling and that didn't fix the issue. I am trying to fix this issue for a couple of days and I couldn't find any answers to these questions. I am at a wit's end with this issue.</p>
  
  <p>Any input is greatly appreciated.</p>