Set up mongodb on Linux operating system

As shown below, place it in a certain corner of the local area. Remember the location~

ssh root@你的IP //回车输入密码 

Open another ssh window (command n). If it is windows, open a new cmd window. Because we want to operate local files, we have already logged in to the server in the previous window. There are many ways to pass, I will only demonstrate one of them.
cd "The folder where the installation package is located" //Go to the location where you just placed the installation package<br> scp "local file" root@yourIP // Enter and enter the password to start transmission
As shown below, I transferred it to the root directory of the server. In fact, it is not recommended. You can put it in an inherent directory, such as /usr/local

ls -l //Expand in list form, we can see that the download has been successful.

tar -zxvf mongodb-linux-x86_64-3.4.6.tgz //Decompression Different files have different decompression commands, you can use Baidu yourself

I just said that you can put the stuff you install each time into a fixed folder, so I moved the unzipped files to the /usr/local/mongodb directory. If you have already put it in the location you like, you can Skip this step. If you don’t know how to move, you can take a look.
cd /user/local //Enter local<br> mkdir mongodb //Create mongodb folder<br> cd / //Enter the root directory<br> mv mongodb-linux-x86_64-3.4.6 /usr/local/mongodb /*Move the decompressed package just now into /usr/local/mongodb*/

mkdir data //创建data文件夹,存放数据库db文件  
mkdir logs //创建logs文件夹,存放日志文件  
cd logs //进入logs  
touch mongo.log //创建log文件  
cd .. //返回上一级  
mkdir etc //创建配置文件夹  
cd etc // 进入etc  
vim mongo.conf //编辑同时创建mongo.conf 文件

The following is the code in the mongo.conf file. Be careful not to make mistakes. After entering the file, you must press i on the keyboard to start writing code.

dbpath = /usr/local/mongodb/data //路径一定要输入绝对的  
logpath = /usr/local/mongodb/logs/mongo.log //路径一定要输入绝对的  
logappend = true  
journal = true  
quiet = true  
port = 27017 //端口

After writing, press the esc key to exit, then press shift: it will appear at the bottom: Then enter wq, save and exit.

At this point it's almost the end.

cd mongodb/mongodb-linux-x86_64-3.4.6/bin //进入安装包的bin目录下 
mongod -f /usr/local/mongodb/etc/mongo.conf  //启动1方法  或 ./mongod -f /usr/local/mongodb/etc/mongo.conf  //启动2方法  

If you enter this command, the following picture will appear. There is no change, only the cursor flashes.

The visualization tool I use is Robo 3t. Create a new link, enter the server address as address, and fill in the port configured in your mongo.conf, which is basically 27027.

Click Save and proceed as shown below to connect.

If you get to this step, it's basically a success.

I previously wrote the path in mongo.conf relative, and the following problem occurred.

Then it looks like this.

There are many methods, I wrote only one of them, and it is my first time to install it. There are some pitfalls in it. Don’t admit defeat when you encounter problems, they will always be solved. If I write something wrong or bad, I hope you will give me some advice~

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