How to install (from MongoDB 3.2 upgrade to) MongoDB 3.4 on Debian Strech (Debian 9)

TL;DR

sudo apt-get remove mongodb  

sudo apt-get autoremove  

sudo apt-get autoclean  

sudo tee -a /etc/apt/sources.list.d/mongodb-org-3.4.list << EOF  
deb http://repo.mongodb.org/apt/debian jessie/mongodb-org/3.4 main  
EOF  

sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com --recv 0C49F3730359A14518585931BC711F9BA15703C6  

sudo apt-get update  

sudo apt-get --assume-yes install mongodb-org=3.4.16  

sudo systemctl start mongod  

sudo systemctl enable mongod

Preface

Official MongoDB package for Debian Stretch (Debian 9) only update to 3.2.
Community MongoDB package for Debian Stretch (Debian 9) already update to 3.6.
And we cannot just upgrade MongoDB from 3.2 to 3.6. (Will encounter error)
So, that's why I wrote this note.

Steps

  • Must stop mongodb (MongoDB 3.2 still use mongodb not mongod) 
sudo systemctl stop mongodb
  • Must remove current old mongodb package and related tools 
sudo apt-get remove mongodb  
sudo apt-get autoremove  
sudo apt-get autoclean

If you don't do the steps above, you will encounter error while installing MongoDB 3.4.
Some dependencies may conflict.

  • Add MongoDB 3.4 package source for apt-get 
sudo tee -a /etc/apt/sources.list.d/mongodb-org-3.4.list << EOF  
deb http://repo.mongodb.org/apt/debian jessie/mongodb-org/3.4 main  
EOF
  • Add public key for MongoDB 3.4 package source 
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com --recv 0C49F3730359A14518585931BC711F9BA15703C6
  • Update to newest package index 
sudo apt-get update
  • Install MongoDB 3.4.16 (You can change to any 3.4.x) 
sudo apt-get --assume-yes install mongodb-org=3.4.16

Now, your MongoDB 3.4 should be running well.
If it doesn't, you should use the steps below. 

sudo systemctl start mongod  
sudo systemctl enable mongod

Last but not lease

  • Global config file changed from /etc/mongodb.conf to /etc/mongod.conf
  • If you want to enable backwards-incompatible features in MongoDB 3.4.
    • Execute this command in MongoDB shell: db.adminCommand( { setFeatureCompatibilityVersion: "3.4" } )

References

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