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Install MongoDB 7.0 on Ubuntu 22.04 Jammy

sudo apt-get install gnupg curl
curl -fsSL https://www.mongodb.org/static/pgp/server-7.0.asc | \
   sudo gpg -o /usr/share/keyrings/mongodb-server-7.0.gpg \
   --dearmor

echo "deb [ arch=amd64,arm64 signed-by=/usr/share/keyrings/mongodb-server-7.0.gpg ] https://repo.mongodb.org/apt/ubuntu jammy/mongodb-org/7.0 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-7.0.list
sudo apt-get update
sudo apt-get install -y mongodb-org

Check limits​

ulimit -a

Set system limits​

sudo nano /etc/security/limits.conf

*       soft    nofile  64000
*       hard    nofile  64000
*       soft    nproc   64000
*       hard    nproc   64000
*       soft    memlock unlimited
*       hard    memlock unlimited
*       soft    stack   unlimited
*       hard    stack   unlimited
*       soft    fsize   unlimited
*       hard    fsize   unlimited
*       soft    cpu     unlimited
*       hard    cpu     unlimited
*       soft    vmem    unlimited
*       hard    vmem    unlimited

Set Global Limits for System Services​

sudo nano /etc/systemd/system.conf
# and for
sudo nano /etc/systemd/user.conf

DefaultLimitNOFILE=64000
DefaultLimitNPROC=64000
DefaultLimitMEMLOCK=infinity
DefaultLimitSTACK=infinity
DefaultLimitFSIZE=infinity
DefaultLimitCPU=infinity
DefaultLimitVMEM=infinity

Modify the PAM limits​

sudo nano /etc/pam.d/common-session
session required pam_limits.so

Restart systemd​

sudo systemctl daemon-reload

Reboot

sudo systemctl start mongod
sudo systemctl enable mongod

Listen on all interfaces​

sudo nano /etc/mongod.conf

  bindIp: 0.0.0.0

Create user root​


mongosh
use admin

####

db.createUser({
  user: "admin",
  pwd: "123",
  roles: [{ role: "root", db: "admin" }]
})

Restart MongoDB​

sudo systemctl restart mongod

Create additional user​

db.createUser({
  user: "usr",
  pwd: "123",  // Choose a secure password
  roles: [{ role: "readWrite", db: "mydatabase" }]
})

Change password for user​


mongosh -u admin -p
use admin
db.updateUser("admin", { pwd: "123" })

Check users​

use admin
db.getUsers()