MongoDb
Some problems may be encountered for MongoDb installations and usage. These examples are based on Linux systems.
Problem | Installation Error of MongoDb on Centos 7 |
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Reason/Cause | warning: /var/cache/yum/x86_64/7/MongoDB/packages/mongodb-org-mongos-4.2.13-1.el7.x86_64.rpm: Header V3 RSA/SHA1 Signature, key ID 058f8b6b: NOKEY |
Solution | Doing "gpgcheck=0" on the file below
gpgcheck=0 enabled=1 gpgkey=https://www.mongodb.org/static/pgp/server-4.2.asc |
Problem | Installation Error of MongoDb on Centos 8 |
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Reason/Cause | If you have any output like the following in “systemctl status mongodb.service -l”: SELinux is preventing /usr/bin/mongod from read access on the file snmp. |
Solution | run these commands and see output of mongodb.service status until errors disappear: grep mongod /var/log/audit/audit.log | audit2allow -M mypol semodule -i mypol.pp grep ftdc /var/log/audit/audit.log | audit2allow -M mypol semodule -i mypol.pp |
Problem | Excessive disk usage by the path /var/lib/mongodb |
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Reason/Cause | Althought this is not a problem on it's own, it may be required to get some more disk space to prevent OS problems'. Especially if journaling is enabled or replicaset uses multi node structure. |
Solution | To Resolve;
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Problem | Deleting a project and its proxies manually |
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Reason/Cause | Althought this is not a problem on it's own, it may be required to do so manually. |
Solution | To Resolve;
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