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The preface is here to tell you that you can do what you want with the development environment, but you must not touch the online environment! Even if the reboot is offline

Enter the MongoDB download center: http://www.mongodb.org/downloadsWe rec...

First, describe the Node Js environment requirements and check whether it is suitable for the node Js installation: GCC 4.2 or newer G+...

With the sl command, you will see a train moving from the right to the left of the screen...... Install $sudo apt get install