Ubuntu systemctl 查看系統啟動項
列出所有啟動項:
sudo systemctl list-unit-files
會列出開啟的和未開啟的:

使用grep過濾一下開啟的grep enabled
sudo systemctl list-unit-files | grep enabled
查看.service文件的路徑,及內容
sudo systemctl status openresty.service
禁用開機啟動:
sudo systemctl disable mongodb.service sudo systemctl disable nginx.service sudo systemctl disable redis-server.service
停止已經開啟的服務:
sudo systemctl stop mongodb.service sudo systemctl stop nginx.service sudo systemctl stop redis-server.service
圖形化界面操作方法:
https://www.cnblogs.com/jins-note/p/9513136.html
參考:
https://blog.csdn.net/caiqiiqi/article/details/99741513
https://forum.ubuntu.org.cn/viewtopic.php?f=48&t=47842