出现问题:
Error: couldn't connect to server 127.0.0.1:27017 (127.0.0.1), connection attempt failed at src/mongo/shell/mongo.js:146
exception: connect failed
解决方法:
1 删除.lock文件,
sudo rm /var/lib/mongodb/mongod.lock
2 repair mongodb
mongod -repair
3 启动mongo服务。
sudo service mongodb start
之后进入mongodb
如果还出现错误,可以考虑清理磁盘空间。