原文网址：https://www.youyong.top/article/1158e29bb18e
启动 MongoDB 以后就报下面的错误：ERROR: child process failed, exited with error number 100 [失败]
原文网址：https://www.youyong.top/article/1158e29bb18e
详细错误：
Starting mongod: Wed May 29 16:32:31.518 Wed May 29 16:32:31.518 warning: 32-bit servers don't have journaling enabled by default. Please use --journal if you want durability. Wed May 29 16:32:31.518 about to fork child process, waiting until server is ready for connections. forked process: 17684 all output going to: /var/log/mongo/mongod.log ERROR: child process failed, exited with error number 100 [失败]
解决方法：
没有正常关闭 MongoDB 服务，导致MongoDB 被锁，删除掉 MongoDB 里的 mongod.lock 文件，重新启动服务即可。
