Command Logs Ubuntu [closed]

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Is there anyway that i can log all the commands that a certain user or user group has run in an ubuntu CLI. I need to keep a track of all the commands run by a certain group of users say

UsrGrp1:usr1,usr2,usr3

as i'm running a Cluster of machines and all are being controlled by different users. And i need to monitor those through the root user of every machine.

The history command gives me all the command logs. But it can be modified by the user itself. So i need to keep the logs under the root user only.

Answer 1

You can try logkeys a keylogger for linux. Another options could be script but with this you need to write a trigger to start it at each user login.