安装mongodb时执行sudo service mongod status 出现：
● mongod.service - MongoDB Database Server
Loaded: loaded (/lib/systemd/system/mongod.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Sat 2020-10-10 22:29:43 CST; 2s ago
Docs: https://docs.mongodb.org/manual
Process: 17869 ExecStart=/usr/bin/mongod --config /etc/mongod.conf (code=exited, status=1/FAILURE)
Main PID: 17869 (code=exited, status=1/FAILURE)
10月 10 22:29:43 zh-PC systemd[1]: Started MongoDB Database Server.
10月 10 22:29:43 zh-PC systemd[1]: mongod.service: Main process exited, code=exited, status=1/FAILURE
10月 10 22:29:43 zh-PC systemd[1]: mongod.service: Failed with result 'exit-code'.
参考链接这是由于MongoDB的log文件夹和data文件夹的权限问题。
解决办法：更改两个文件夹的所有权
sudo chown -Rc mongodb. /var/log/mongodb
sudo chown -Rc mongodb. /var/lib/mongodb
本文地址：https://blog.csdn.net/u013310037/article/details/109005694
