Mongodb start error ERROR: child process failed, exited with error number 1 solution
Knock Key : I find the Internet a lot of information to solve this error, but there is no way, including repair repair, delete mongod.lock file, to no avail, and finally their own research found a permissions problem.
Solution : chmod 777 mongod.conf
I own configuration file permissions tone for the highest authority
start,. / Mongod --config /etc/mongod.conf
finally solve the problem of
mutual encouragement! ! !