Hi server setup: ------------------ Centos 6 32GB RAM 16 Cpu's 70 students max
I am using /etc/security/limits.conf to prevent the students from choking the whole server but sometimes one student will write a very bad program that somehow runs itself again and again - so fast that "killall" and "pkill -9 -u" can't stop/remove the user fast enough before the student's program is run again and again... Here is my definition in limits: @stud hard cpu 8 @stud hard nproc 256 @stud hard nofile 1024 @stud - maxlogins 6 I can't reduce cpu time below 8min because eclipse will be killed every hour or so. My problem seems to be that the student can run up to 256 processes that each uses 100% of a single CPU and we only have 16 CPU''s. Thanks for any suggestions. Josh
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