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I’m new to server administration. Using Debian 8, a process called atd is consuming 99% of cpu. From googling I found out that atd is a job scheduler, but I didn’t set up any. I just have apache 2 and tomcat 8 running with a java web app. Atq call is also not listing any jobs. Where can I check for logs/ how to troubleshoot?

Cybermonk
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  • Consider the possibility that your server may be compromised. – Michael Hampton Dec 04 '17 at 23:02
  • I think so. When I shutdown apache2 and kill the process, it doesn't respawn. else it respawns. It is using a config file called mgeflshghx, but Im not able to find it using locate cmd – Cybermonk Dec 05 '17 at 05:16

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You may figure out what atd does by checking which files it uses.

ps aux | grep atd
daemon     778  0.0  0.2  26044  2120 ?        Ss   22:03   0:00 /usr/sbin/atd -f

→ PID of atd = 778

lsof -p 778
1Peter
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