Linux under MongoDB startup problem __linux

When you start a MongoDB service under Linux, the following problems often occur:

My solution is:
1. First, enter the MongoDB directory under the/data/db/directory, there will be file Mongod.lock, delete this file.

2. Use command: Netstat-anp|more to see if there is a MongoDB process, use the command kill-9 + process number to kill the process.

4. If necessary, you can go to MongoDB's Bin directory to use:./mongod–repair–dbpath=/usr/local/mongodb/data/db/, make modifications.
5. You can use./mongod–config/usr/local/mongodb/mongod.conf to open MongoDB service, use the./mongo ip/dbname-uroot-p to open the shell of MongoDB: