mongo 开机启动不了_[initandlisten] recover : no journal files present

查看日志 

cat /var/log/mongodb/mongodb.log

日志显示如下：

Fri Mar  8 22:54:46 [initandlisten] journal dir=/data/db/journal
Fri Mar  8 22:54:46 [initandlisten] recover : no journal files present, no recovery needed
Fri Mar  8 22:54:46 [initandlisten] couldn't open /data/db/yourdb.ns errno:13 Permission denied
Fri Mar  8 22:54:46 [initandlisten] error couldn't open file /data/db/yourdb.ns terminating
Fri Mar  8 22:54:46 dbexit: 
Fri Mar  8 22:54:46 [initandlisten] shutdown: going to close listening sockets...
Fri Mar  8 22:54:46 [initandlisten] shutdown: going to flush diaglog...
Fri Mar  8 22:54:46 [initandlisten] shutdown: going to close sockets...
Fri Mar  8 22:54:46 [initandlisten] shutdown: waiting for fs preallocator...
Fri Mar  8 22:54:46 [initandlisten] shutdown: lock for final commit...
Fri Mar  8 22:54:46 [initandlisten] shutdown: final commit...
Fri Mar  8 22:54:46 [initandlisten] shutdown: closing all files...
Fri Mar  8 22:54:46 [initandlisten] closeAllFiles() finished
Fri Mar  8 22:54:46 [initandlisten] journalCleanup...
Fri Mar  8 22:54:46 [initandlisten] removeJournalFiles
Fri Mar  8 22:54:46 [initandlisten] shutdown: removing fs lock...
Fri Mar  8 22:54:46 dbexit: really exiting now

进入mongodb的安装目录： 

cd /var/lib/mongodb

ll

把root权限修改成mongodb权限

参考链接：

https://www.cnblogs.com/xfanyue/p/4744915.html