关于mongo在mac下安装和自动开机启动

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$sudo launchctl load /Library/LaunchDaemons/org.mongodb.mongod.plist

curl -O http://downloads.mongodb.org/osx/mongodb-osx-x86_64-1.4.0.tgz
tar xzf mongodb-osx-x86_64-1.4.0.tgz
sudo mv mongodb-osx-x86_64-1.4.0 /usr/local/mongodb
sudo mkdir /usr/local/mongodb_data /var/log/mongodb
sudo chown -R root /usr/local/mongodb

＃Save as: /usr/local/mongodb/mongod.conf
# Store data alongside MongoDB instead of the default, /data/db/
dbpath = /usr/local/mongodb_data
# Only accept local connections
bind_ip = 127.0.0.1

Now, we’ll make a launchd job to register the server as an OS X daemon. launchd will start the server at startup, stop it before shutdown, make sure it stays up, and redirect its output to a nice log file.
＃Save as: /Library/LaunchDaemons/org.mongodb.mongod.plist
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN"
"http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>Label</key>
<string>org.mongodb.mongod</string>
<key>ProgramArguments</key>
<array>
<string>/usr/local/mongodb/bin/mongod</string>
<string>run</string>
<string>--config</string>
<string>/usr/local/mongodb/mongod.conf</string>
</array>
<key>RunAtLoad</key>
<true/>
<key>KeepAlive</key>
<true/>
<key>WorkingDirectory</key>
<string>/usr/local/mongodb</string>
<key>StandardErrorPath</key>
<string>/var/log/mongodb/output.log</string>
<key>StandardOutPath</key>
<string>/var/log/mongodb/output.log</string>
</dict>
</plist>

Now we just need to load the launchd job:

sudo launchctl load /Library/LaunchDaemons/org.mongodb.mongod.plist
And that should do it! Try visiting http://localhost:28017 to see the status console for your database.
One last thing: you should probably add /usr/local/mongodb/bin to your $PATH. That way you can use the other binaries that ship with MongoDB, like the mongo console, mongoexport, and so on.
You can adjust your path the regular way by editing your shell’s profile, or you can use this nice paths.d mechanism that OS X provides:

sudo sh -c 'echo "/usr/local/mongodb/bin" > /etc/paths.d/mongodb'
Thanks to theozaurus in the comments below for that tip.