MongoDB : couldn’t open /data/db/yourdb.ns errno:13 Permission denied

Solution

The error message is showing that you do not have permission to access yourdb.ns database. Check the MongoDB data directory /data/db/ , the database yourdb.ns belongs to the root user.

$ ls -ls /data/db

      0 drwxr-xr-x  2 mkyong  wheel          68 Mar  8 22:54 journal
 131072 -rw-------  1 root    wheel    67108864 Mar  7 17:01 yourdb.0
 262144 -rw-------  1 root    wheel   134217728 Mar  7 16:15 yourdb.1
  32768 -rw-------  1 root    wheel    16777216 Mar  7 17:01 yourdb.ns

$whoami
mkyong

To fix it, assign permission to the database.

$ sudo chown -R mkyong /data/db

$ ls -ls /data/db

      0 drwxr-xr-x  2 mkyong  wheel          68 Mar  8 22:54 journal
 131072 -rw-------  1 mkyong  wheel    67108864 Mar  7 17:01 yourdb.0
 262144 -rw-------  1 mkyong  wheel   134217728 Mar  7 16:15 yourdb.1
  32768 -rw-------  1 mkyong  wheel    16777216 Mar  7 17:01 yourdb.ns

转自：

http://www.mkyong.com/mongodb/mongodb-couldnt-open-datadbyourdb-ns-errno13-permission-denied/

MongoDB : couldn’t open /data/db/yourdb.ns errno:13 Permission denied

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