I have seen many issues with CentOS 7 becoming unresponsive. Kernel issues. Try removing OSSEC, but my guess, it will still hang. Are you current on all patches?
-K On Thursday, July 2, 2015 at 6:47:53 PM UTC-7, Caleb P wrote: > > If I start OSSEC, my Centos 7 AWS instance becomes unresponsive after a > short while (under 30 mins usually). httpd and ssh do not respond ever > until I go into the AWS console to reboot it. > > I've looked through various logs, but half the stuff I don't know what it > is. What logs should I examine for problems, and anything in particular I > should look for? Has anyone had this happen before? > > While running top, the last process to show was ossec-syscheckd when the > system crashed. It was at 30.2% CPU usage and 0.2% memory. > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND > 1009 root 20 0 5388 1624 672 R 30.2 0.2 0:05.91 > ossec-syscheckd > 1290 apache 20 0 561900 15720 4984 S 6.3 1.5 0:00.39 httpd > 25 root 20 0 0 0 0 R 0.7 0.0 0:00.14 rcuos/0 > 299 root 0 -20 0 0 0 S 0.3 0.0 0:00.03 > kworker/0:1H > 1276 centos 20 0 130024 1816 1276 R 0.3 0.2 0:00.42 top > 1 root 20 0 56636 6724 3940 S 0.0 0.7 0:02.14 systemd > > > > Appreciate any suggestions or ideas! Thanks > Caleb > > > -- --- You received this message because you are subscribed to the Google Groups "ossec-list" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
