Error: couldn't connect to server 192.168.105.54:27017, connection attempt failed: SocketException: Error connecting to ***.***.**:27017 :: caused by :: No route to host : connect@src/mongo/shell/mongo.js:

 [root@dev ~]# mongo -u "client_read" -p 123 192.168.105.54/admin
 

Error: couldn't connect to server 192.168.105.54:27017, connection attempt failed: SocketException: Error connecting to 192.168.105.54:27017 :: caused by :: No route to host :
connect@src/mongo/shell/mongo.js:356:17
@(connect):2:6
exception: connect failed

mongosh  -u poolrw -p RBgCNw^S6A9 192.168.103.204/pool18

sudo firewall-cmd --permanent --zone=public --add-rich-rule='rule family="ipv4" source address="192.168.103.207" port protocol="tcp" port="27017" accept'

nc -zv 192.168.103.208 27017

sudo firewall-cmd --reload

mongo -u poolrw -p RBgCNw^S6A9 192.168.103.207/pool18

db.changeUserPassword("poolrw", "RBgCNw^S6A9")

db.createUser({
    user: "poolrw",
    pwd: "RBgCNw^S6A9",
    roles: [{ role: 'readWrite', db:'pool18'}]
})

db.createUser({  
 user:"poolrw",
 pwd:"RBgCNw^S6A9",
 roles:[  
  {  
     role:"readWrite",
     db:"pool18"
  }
 ],
 mechanisms:[  
  "SCRAM-SHA-1"
 ]
})

523  mongo
  524  mongosh  -u poolrw -p RBgCNw^S6A9 192.168.103.204/pool18
  525  mongo  -u poolrw -p RBgCNw^S6A9 192.168.103.204/pool18
  526  firewall-cmd --permanent --zone=public --add-rich-rule='rule family="ipv4" source address="192.168.103.207" port protocol="tcp" port="27017" accept'
  527  systemctl restart firewalld.service
  528  firewall-cmd --permanent --zone=public --add-rich-rule='rule family="ipv4" source address="192.168.103.208" port protocol="tcp" port="27017" accept'
  529  mongo -u poolrw -p RBgCNw^S6A9 192.168.103.208/pool18
  530  systemctl restart firewalld.service
  531  nc -zv 192.168.103.208 27017
  532  ip address
  533  firewall-cmd --permanent --zone=public --add-rich-rule='rule family="ipv4" source address="192.168.103.208" port protocol="tcp" port="27017" accept'
  534  mongo
  535  netstat --tnlp
  536  netstat -tnlp
  537  mongo -u poolrw -p RBgCNw^S6A9 127.0.0.1/pool18
  538  mongo
  539  mongosh  -u poolrw -p RBgCNw^S6A9 192.168.103.204/pool18
  540  mongo  -u poolrw -p RBgCNw^S6A9 192.168.103.204/pool18
  541  mongo  -u poolrw -p RBgCNw^S6A9 192.168.103.208/pool18
  542  systemctl restart mongod.service
  543  mongo  -u poolrw -p RBgCNw^S6A9 192.168.103.208/pool18
  544  mongo  -u poolrw -p RBgCNw^S6A9 127.0.0.1/pool18
  545  db
  546  mongo
  547  mongo  -u poolrw -p RBgCNw^S6A9 127.0.0.1/pool18
  548  firewall-cmd --permanent --zone=public --add-rich-rule='rule family="ipv4" source address="192.168.103.208" port protocol="tcp" port="27017" accept'
  549  systemctl restart mongod.service
  550  mongo  -u poolrw -p RBgCNw^S6A9 127.0.0.1/pool18
  551  mongo  -u poolrw -p RBgCNw^S6A9 192.168.103.208/pool18
  552  nc -zv 192.168.103.208 27017
  553  vim  /etc/mongod.conf
  554  systemctl restart mongod.service
  555  nc -zv 192.168.103.208 27017
  556  mongo  -u poolrw -p RBgCNw^S6A9 192.168.103.208/pool18
  557  firewall-cmd --permanent --zone=public --add-rich-rule='rule family="ipv4" source address="192.168.103.208" port protocol="tcp" port="27017" accept'
  558  sudo ufw allow 27017
  559  netstat -an | grep 27017
  560  service mongod stop
  561  service mongod start
  562  sudo netstat -plunt | grep mongo
  563  systemctl stop firewalld.service
  564  mongo  -u poolrw -p RBgCNw^S6A9 192.168.103.208/pool18
  565  mongo
  566  mongo  -u poolrw -p RBgCNw^S6A9 192.168.103.208/pool18
  567  mongo  -u poolrw -p RBgCNw^S6A9 192.168.103.278/pool18
  568  mongo  -u poolrw -p RBgCNw^S6A9 192.168.103.207/pool18
  569  mongo  -u poolrw -p RBgCNw^S6A9 192.168.103.204/pool18
  570  mongo  -u poolrw -p RBgCNw^S6A9 192.168.103.208/pool18
  571  int 6
  572  init 6
  573  mongo  -u poolrw -p RBgCNw^S6A9 192.168.103.208/pool18
  574  mongo
  575  history