error:Failed to connect to 127.0.0.1:27017, reason: errno:111 Connection refused；error:couldn‘t ….

error : MongoDB shell version: 2.6.10
connecting connecting to: test
2020-01-06T19:04:40.945+0800 warning: Failed to connect to 127.0.0.1:27017, reason: Errno :111 Connection union 40
2020-01-06 t19:04:40. 946+0800 Error: Couldn ‘t connect to server 127.0.0.1:27017 (127.0.0.1), the connection attempt failed at the SRC/mongo/shell/mongo. Js: 146
I am under a virtual machine, download the mongo, want to get into mongo library, found an error (above), the Internet a lot, according to their way to try many, but is not go, Later, I found that because I did not enter into the docker image (just started to contact the image)
, I learned from docker image , and learned

by virtue of virtual machine

step 1 , switch to su root, check all images under docker images

step 2 , if no mongo, pull mongo through docker pull mongo official website, if you have pulled direct operation step 3

step 3 0, Start container docker run-dit –name mymongodb-p 27017:27017 mongo



step 4 , open container docker exec-it mymongodb bash, enter mongo
appear the pattern in the blue circle, indicating that you have entered mongo, directly enter the command statement to operate

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