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Is my Mongodb installation correct?

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  • ahmedundefined

    @phenomlab

    root@localhost:~# sudo systemctl status mongod
× mongod.service - MongoDB Database Server
     Loaded: loaded (/lib/systemd/system/mongod.service; enabled; vendor preset: enabled)
     Active: failed (Result: exit-code) since Sat 2024-03-23 21:55:25 +03; 58s ago
       Docs: https://docs.mongodb.org/manual
    Process: 62746 ExecStart=/usr/bin/mongod --config /etc/mongod.conf (code=exited, status=14)
   Main PID: 62746 (code=exited, status=14)
        CPU: 60ms

Mar 23 21:55:25 localhost systemd[1]: Started MongoDB Database Server.
Mar 23 21:55:25 localhost mongod[62746]: {"t":{"$date":"2024-03-23T18:55:25.275Z"},"s":"I",  "c":"CONTROL",  "id":7484500, "ctx":"main","msg":"Environment variable MON>
Mar 23 21:55:25 localhost systemd[1]: mongod.service: Main process exited, code=exited, status=14/n/a
Mar 23 21:55:25 localhost systemd[1]: mongod.service: Failed with result 'exit-code'.
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  • phenomlabundefined

    @ahmed can you post the content of /etc/mongod.conf

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  • ahmedundefined

    @phenomlab said in Is my Mongodb installation correct?:

    /etc/mongod.conf

    # mongod.conf

# for documentation of all options, see:
#   http://docs.mongodb.org/manual/reference/configuration-options/

# Where and how to store data.
storage:
  dbPath: /var/lib/mongodb
#  engine:
#  wiredTiger:

# where to write logging data.
systemLog:
  destination: file
  logAppend: true
  path: /var/log/mongodb/mongod.log

# network interfaces
net:
  port: 27017
  bindIp: 127.0.0.1


# how the process runs
processManagement:
  timeZoneInfo: /usr/share/zoneinfo

security:
  authorization: enabled

#operationProfiling:

#replication:

#sharding:

## Enterprise-Only Options:

#auditLog:
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  • phenomlabundefined

    @ahmed does the database service start if you remove the below

    security:
  authorization: enabled

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  • ahmedundefined

    @phenomlab said in Is my Mongodb installation correct?:

    does the database service start if you remove the below

    × mongod.service - MongoDB Database Server
     Loaded: loaded (/lib/systemd/system/mongod.service; enabled; vendor preset: enabled)
     Active: failed (Result: exit-code) since Sun 2024-03-24 04:52:10 +03; 12s ago
       Docs: https://docs.mongodb.org/manual
    Process: 64261 ExecStart=/usr/bin/mongod --config /etc/mongod.conf (code=exited, status=14)
   Main PID: 64261 (code=exited, status=14)
        CPU: 50ms

Mar 24 04:52:10 localhost systemd[1]: Started MongoDB Database Server.
Mar 24 04:52:10 localhost mongod[64261]: {"t":{"$date":"2024-03-24T01:52:10.940Z"},"s":"I",  "c":"CONTROL",  "id":7484500, "ctx":"main","msg":"Environment variable MON>
Mar 24 04:52:10 localhost systemd[1]: mongod.service: Main process exited, code=exited, status=14/n/a
Mar 24 04:52:10 localhost systemd[1]: mongod.service: Failed with result 'exit-code'.
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  • ahmedundefined 
    root@localhost:~# sudo chown -R mongodb:mongodb /var/lib/mongodb
root@localhost:~# sudo chown mongodb:mongodb /tmp/mongodb-27017.sock
root@localhost:~# sudo service mongod restart


    root@localhost:~# sudo systemctl status mongod
● mongod.service - MongoDB Database Server
     Loaded: loaded (/lib/systemd/system/mongod.service; enabled; vendor preset: enabled)
     Active: active (running) since Sun 2024-03-24 05:27:54 +03; 12s ago
       Docs: https://docs.mongodb.org/manual
   Main PID: 64421 (mongod)
     Memory: 170.8M
        CPU: 1.279s
     CGroup: /system.slice/mongod.service
             └─64421 /usr/bin/mongod --config /etc/mongod.conf

Mar 24 05:27:54 localhost systemd[1]: Started MongoDB Database Server.
Mar 24 05:27:54 localhost mongod[64421]: {"t":{"$date":"2024-03-24T02:27:54.700Z"},"s":"I",  "c":"CONTROL",  "id":7484500, "ctx":"main","msg":"Environment variable MON

    502 Bad Gateway
    nginx/1.18.0 (Ubuntu) happy ending when I log in to my website 😄

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  • phenomlabundefined

    @ahmed that would have been my next suggestion in relation to permissions. Glad you got it working

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  • phenomlabundefined phenomlab marked this topic as a question on
  • phenomlabundefined phenomlab has marked this topic as solved on
  • ahmedundefined

    @phenomlab
    IMG_20240324_060433.jpg

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  • phenomlabundefined

    @ahmed that’s normal if you haven’t started your nodebb instance, or competed the installation yet.

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  • ahmedundefined

    @phenomlab
    I reset my server and set it up again.
    save as video
    Can you check if it is installed properly?
    especially the mongodb part

    phenomlabundefined 2 Replies
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  • phenomlabundefined

    @ahmed can you provide me with a url I can reach the installation on? If you’d rather not place this here, you can use the PM to do so.

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  • phenomlabundefined

    @ahmed thanks for the url. I’ll check this later.

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  • ahmedundefined

    @phenomlab
    Thank you for taking the time to answer my questions.

    1
  • phenomlabundefined

    @ahmed anytime

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  • ahmedundefined

    @phenomlab

    What could be the reason why mongodb gives this error when trying to take a backup?

    root@localhost:~# sudo systemctl stop mongod
root@localhost:~# sudo systemctl status mongod
○ mongod.service - MongoDB Database Server
     Loaded: loaded (/lib/systemd/system/mongod.service; enabled; vendor preset: enabled)
     Active: inactive (dead) since Sun 2024-03-24 18:48:04 +03; 21s ago
       Docs: https://docs.mongodb.org/manual
    Process: 61116 ExecStart=/usr/bin/mongod --config /etc/mongod.conf (code=exited, status=0/SUCCESS)
   Main PID: 61116 (code=exited, status=0/SUCCESS)
        CPU: 2.034s

Mar 24 18:47:01 localhost systemd[1]: Started MongoDB Database Server.
Mar 24 18:47:01 localhost mongod[61116]: {"t":{"$date":"2024-03-24T15:47:01.540Z"},"s":"I",  "c":"CONTROL",  "id":7484500, "ctx":"main","msg":"Environment variable MON>
Mar 24 18:48:04 localhost systemd[1]: Stopping MongoDB Database Server...
Mar 24 18:48:04 localhost systemd[1]: mongod.service: Deactivated successfully.
Mar 24 18:48:04 localhost systemd[1]: Stopped MongoDB Database Server.
Mar 24 18:48:04 localhost systemd[1]: mongod.service: Consumed 2.034s CPU time.
lines 1-14/14 (END)
[6]+  Stopped                 sudo systemctl status mongod
root@localhost:~# mongodump
2024-03-24T18:49:15.964+0300    Failed: can't create session: failed to connect to mongodb://localhost/: server selection error: server selection timeout, current topology: { Type: Single, Servers: [{ Addr: localhost:27017, Type: Unknown, Last error: connection() error occurred during connection handshake: dial tcp 127.0.0.1:27017: connect: connection refused }, ] }
root@localhost:~#
root@localhost:~#
root@localhost:~# mongodump --port 27017 -u "nodebb" -p "Em26452645" --db=nodebb --out=backup/ahmed
2024-03-24T18:50:25.654+0300    Failed: can't create session: failed to connect to mongodb://localhost:27017/: server selection error: server selection timeout, current topology: { Type: Single, Servers: [{ Addr: localhost:27017, Type: Unknown, Last error: connection() error occurred during connection handshake: dial tcp 127.0.0.1:27017: connect: connection refused }, ] }
root@localhost:~#
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  • phenomlabundefined

    @ahmed the database needs to be running to use MongoDump.

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  • ahmedundefined

    @phenomlab

    Nodebb.org documentation states that Mongodb must be stopped before backup
    nodebb.org documentation should be updated
    I think I saw it wrong

    I will try as you say

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  • phenomlabundefined

    @ahmed I never stop the database when backing up. Never did it with mysql either. I’m not saying it’s right but it’s always worked for me and the backup schedules I’ve created for others who have used that to perform recovery.

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  • ahmedundefined

    @phenomlab

    I’m trying to take a backup while Mongodb is running, but this time it gives an authentication error.

    root@localhost:~# mongodump --port 27017 -u "nodebb" -p "Em26452645" --db=nodebb --out=backup/ahmed
2024-03-24T19:15:41.690+0300    Failed: can't create session: failed to connect to mongodb://localhost:27017/: connection() error occurred during connection handshake: auth error: unable to authenticate using mechanism "SCRAM-SHA-256": (AuthenticationFailed) Authentication failed.
root@localhost:~#
root@localhost:~#
root@localhost:~#
root@localhost:~# mongodump
2024-03-24T19:15:54.554+0300    Failed: error creating intents to dump: error getting database names: (Unauthorized) Command listDatabases requires authentication
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  • phenomlabundefined

    @ahmed are you backing up remotely?

    Try this - obviously, substitute where necessary to match your environment

    mongodump -u root --password 'secret' --authenticationDatabase admin

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