首先创建mongodb.service文件，并编辑

# vim /lib/systemd/system/mongodb.service

内如如下：

[Unit]
Description=mongodb
After=network.target remote-fs.target nss-lookup.target

[Service]
Type=forking
ExecStart=/usr/local/mongodb/bin/mongod --config /usr/local/etc/mongod.conf
ExecReload=/bin/kill -s HUP $MAINPID
ExecStop=/usr/local/mongodb/bin/mongod --shutdown --config /usr/local/etc/mongod.conf
PrivateTmp=true

[Install]
WantedBy=multi-user.target

启动服务

systemctl start mongodb.service

关闭服务

systemctl stop mongodb.service

开机启动

systemctl enable mongodb.service