1.mongodb.conf (简单参数配置，详见http://www.cnblogs.com/PheonixHkbxoic/p/5665515.html)
#mongod.conf
dbpath=/usr/local/mongodb/data/db
logpath=/usr/local/mongodb/log/mongodb.log
logappend=true
port=27017
fork=true
journal=true
httpinterface=true
rest=true
2./etc/rc.local
#!/bin/sh -e
#
# rc.local
#
# This script is executed at the end of each multiuser runlevel.
# Make sure that the script will "exit 0" on success or any other
# value on error.
#
# In order to enable or disable this script just change the execution
# bits.
#
# By default this script does nothing.
#mongodb
export MONGODB="/usr/local/mongodb"
export MONGODB_CONFIG="--config=$MONGODB/config/mongod.conf"
export MONGODB_DBPATH="$MONGODB/data/db"
export MONGODB_LOGPATH="$MONGODB/log/mongodb.log"
export PATH=$PATH:$MONGODB/bin
mongod $MONGODB_CONFIG
#exit 0
2.查看mongod后台进程，并关闭(关闭方式有多种，详见http://www.cnblogs.com/PheonixHkbxoic/p/5665499.html)