Author Topic: Centos server restarts, would like to know why?  (Read 993 times)

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Centos server restarts, would like to know why?
« on: February 09, 2017, 07:03:19 AM »
Hello,

so to understand what cause the shutdown here are the logs:

Feb  5 05:11:39 host rsyslogd-2177: imuxsock begins to drop messages from pid 11580 due to rate-limiting
Feb  5 05:11:41 host rsyslogd-2177: imuxsock begins to drop messages from pid 11583 due to rate-limiting
Feb  5 05:11:42 host rsyslogd-2177: imuxsock begins to drop messages from pid 11587 due to rate-limiting
Feb  5 05:11:46 host rsyslogd-2177: imuxsock lost 40 messages from pid 11587 due to rate-limiting
Feb  5 05:12:39 host rsyslogd-2177: imuxsock begins to drop messages from pid 11590 due to rate-limiting
Feb  5 05:31:13 host kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC=00:19:b9:fa:24:b8:d4:ca:6d:07:36:55:08:00 SRC=115.28.39.26 DST=192.168.11.250 LEN=48 TOS=0x00 PREC=0x20 TTL=106 ID=4508 DF PROTO=TCP SPT=2357 DPT=3389 WINDOW=65535 RES=0x00 SYN URGP=0
Feb  5 05:31:16 host kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC=00:19:b9:fa:24:b8:d4:ca:6d:07:36:55:08:00 SRC=115.28.39.26 DST=192.168.11.250 LEN=48 TOS=0x00 PREC=0x20 TTL=106 ID=32012 DF PROTO=TCP SPT=2357 DPT=3389 WINDOW=65535 RES=0x00 SYN URGP=0
Feb  5 05:31:22 host kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC=00:19:b9:fa:24:b8:d4:ca:6d:07:36:55:08:00 SRC=115.28.39.26 DST=192.168.11.250 LEN=48 TOS=0x00 PREC=0x20 TTL=106 ID=22392 DF PROTO=TCP SPT=2357 DPT=3389 WINDOW=65535 RES=0x00 SYN URGP=0
Feb  5 05:33:39 host rsyslogd-2177: imuxsock begins to drop messages from pid 13329 due to rate-limiting
Feb  5 05:34:38 host rsyslogd-2177: imuxsock lost 214 messages from pid 13329 due to rate-limiting
Feb  5 05:34:39 host rsyslogd-2177: imuxsock begins to drop messages from pid 13329 due to rate-limiting
Feb  5 05:36:39 host rsyslogd-2177: imuxsock begins to drop messages from pid 13576 due to rate-limiting
Feb  5 05:37:39 host rsyslogd-2177: imuxsock lost 215 messages from pid 13576 due to rate-limiting
Feb  5 05:37:39 host rsyslogd-2177: imuxsock begins to drop messages from pid 13576 due to rate-limiting
Feb  5 05:39:02 host named[1902]: error (network unreachable) resolving 'dlv.isc.org/DNSKEY/IN': 2001:500:71::30#53
Feb  5 05:39:02 host named[1902]: error (network unreachable) resolving 'dlv.isc.org/DNSKEY/IN': 2001:4f8:0:2::19#53
Feb  5 05:39:02 host named[1902]: error (network unreachable) resolving 'dlv.isc.org/DNSKEY/IN': 2001:500:60::29#53
Feb  5 05:39:39 host rsyslogd-2177: imuxsock begins to drop messages from pid 13621 due to rate-limiting
Feb  5 05:40:38 host rsyslogd-2177: imuxsock lost 215 messages from pid 13621 due to rate-limiting
Feb  5 05:40:39 host rsyslogd-2177: imuxsock begins to drop messages from pid 13621 due to rate-limiting
Feb  5 10:32:46 host kernel: imklog 5.8.10, log source = /proc/kmsg started.
Feb  5 10:32:46 host rsyslogd: [origin software="rsyslogd" swVersion="5.8.10" x-pid="1504" x-info="http://www.rsyslog.com"] start
Feb  5 10:32:46 host kernel: Initializing cgroup subsys cpuset
Feb  5 10:32:46 host kernel: Initializing cgroup subsys cpu

Feb  6 10:08:59 host kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC=00:19:b9:fa:24:b8:d4:ca:6d:07:36:55:08:00 SRC=74.82.47.56 DST=192.168.11.250 LEN=40 TOS=0x00 PREC=0x20 TTL=247 ID=54321 PROTO=TCP SPT=39035 DPT=3389 WINDOW=65535 RES=0x00 SYN URGP=0
Feb  6 10:12:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 2594 due to rate-limiting
Feb  6 10:13:14 host rsyslogd-2177: imuxsock lost 214 messages from pid 2594 due to rate-limiting
Feb  6 10:13:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 2594 due to rate-limiting
Feb  6 10:15:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 3412 due to rate-limiting
Feb  6 10:16:14 host rsyslogd-2177: imuxsock lost 215 messages from pid 3412 due to rate-limiting
Feb  6 10:16:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 3412 due to rate-limiting
Feb  6 10:18:16 host rsyslogd-2177: imuxsock begins to drop messages from pid 3649 due to rate-limiting
Feb  6 10:19:14 host rsyslogd-2177: imuxsock lost 215 messages from pid 3649 due to rate-limiting
Feb  6 10:19:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 3649 due to rate-limiting
Feb  6 10:20:32 host rsyslogd-2177: imuxsock lost 218 messages from pid 3649 due to rate-limiting
Feb  6 10:21:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 3649 due to rate-limiting
Feb  6 10:22:14 host rsyslogd-2177: imuxsock lost 218 messages from pid 3649 due to rate-limiting
Feb  6 10:22:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 3649 due to rate-limiting
Feb  6 10:24:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 4058 due to rate-limiting
Feb  6 10:25:14 host rsyslogd-2177: imuxsock lost 215 messages from pid 4058 due to rate-limiting
Feb  6 10:25:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 4058 due to rate-limiting
Feb  6 10:27:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 4195 due to rate-limiting
Feb  6 10:27:44 host rsyslogd-2177: imuxsock lost 215 messages from pid 4195 due to rate-limiting
Feb  6 10:33:00 host named[1905]: error (network unreachable) resolving 'dlv.isc.org/DNSKEY/IN': 2001:500:c::1#53
Feb  6 10:33:00 host named[1905]: error (network unreachable) resolving 'ns.isc.afilias-nst.info/A/IN': 2001:500:41::1#53
Feb  6 10:33:00 host named[1905]: error (network unreachable) resolving 'ns.isc.afilias-nst.info/AAAA/IN': 2001:500:41::1#53
Feb  6 10:33:00 host named[1905]: error (network unreachable) resolving 'ns.isc.afilias-nst.info/A/IN': 2001:500:19::1#53
Feb  6 10:33:00 host named[1905]: error (network unreachable) resolving 'ns.isc.afilias-nst.info/AAAA/IN': 2001:500:19::1#53
Feb  6 10:33:00 host named[1905]: error (network unreachable) resolving 'ns.isc.afilias-nst.info/A/IN': 2001:500:49::1#53
Feb  6 10:33:00 host named[1905]: error (network unreachable) resolving 'ns.isc.afilias-nst.info/AAAA/IN': 2001:500:49::1#53
Feb  6 10:33:00 host named[1905]: error (network unreachable) resolving 'dlv.isc.org/DNSKEY/IN': 2001:4f8:0:2::20#53
Feb  6 10:33:00 host named[1905]: error (network unreachable) resolving 'dlv.isc.org/DNSKEY/IN': 2001:500:60::29#53
Feb  6 10:40:14 host kernel: imklog 5.8.10, log source = /proc/kmsg started.
Feb  6 10:40:14 host rsyslogd: [origin software="rsyslogd" swVersion="5.8.10" x-pid="1505" x-info="http://www.rsyslog.com"] start
Feb  6 10:40:14 host kernel: Initializing cgroup subsys cpuset

Feb  6 10:08:59 host kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC=00:19:b9:fa:24:b8:d4:ca:6d:07:36:55:08:00 SRC=74.82.47.56 DST=192.168.11.250 LEN=40 TOS=0x00 PREC=0x20 TTL=247 ID=54321 PROTO=TCP SPT=39035 DPT=3389 WINDOW=65535 RES=0x00 SYN URGP=0
Feb  6 10:12:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 2594 due to rate-limiting
Feb  6 10:13:14 host rsyslogd-2177: imuxsock lost 214 messages from pid 2594 due to rate-limiting
Feb  6 10:13:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 2594 due to rate-limiting
Feb  6 10:15:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 3412 due to rate-limiting
Feb  6 10:16:14 host rsyslogd-2177: imuxsock lost 215 messages from pid 3412 due to rate-limiting
Feb  6 10:16:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 3412 due to rate-limiting
Feb  6 10:18:16 host rsyslogd-2177: imuxsock begins to drop messages from pid 3649 due to rate-limiting
Feb  6 10:19:14 host rsyslogd-2177: imuxsock lost 215 messages from pid 3649 due to rate-limiting
Feb  6 10:19:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 3649 due to rate-limiting
Feb  6 10:20:32 host rsyslogd-2177: imuxsock lost 218 messages from pid 3649 due to rate-limiting
Feb  6 10:21:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 3649 due to rate-limiting
Feb  6 10:22:14 host rsyslogd-2177: imuxsock lost 218 messages from pid 3649 due to rate-limiting
Feb  6 10:22:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 3649 due to rate-limiting
Feb  6 10:24:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 4058 due to rate-limiting
Feb  6 10:25:14 host rsyslogd-2177: imuxsock lost 215 messages from pid 4058 due to rate-limiting
Feb  6 10:25:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 4058 due to rate-limiting
Feb  6 10:27:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 4195 due to rate-limiting
Feb  6 10:27:44 host rsyslogd-2177: imuxsock lost 215 messages from pid 4195 due to rate-limiting
Feb  6 10:33:00 host named[1905]: error (network unreachable) resolving 'dlv.isc.org/DNSKEY/IN': 2001:500:c::1#53
Feb  6 10:33:00 host named[1905]: error (network unreachable) resolving 'ns.isc.afilias-nst.info/A/IN': 2001:500:41::1#53
Feb  6 10:33:00 host named[1905]: error (network unreachable) resolving 'ns.isc.afilias-nst.info/AAAA/IN': 2001:500:41::1#53
Feb  6 10:33:00 host named[1905]: error (network unreachable) resolving 'ns.isc.afilias-nst.info/A/IN': 2001:500:19::1#53
Feb  6 10:33:00 host named[1905]: error (network unreachable) resolving 'ns.isc.afilias-nst.info/AAAA/IN': 2001:500:19::1#53
Feb  6 10:33:00 host named[1905]: error (network unreachable) resolving 'ns.isc.afilias-nst.info/A/IN': 2001:500:49::1#53
Feb  6 10:33:00 host named[1905]: error (network unreachable) resolving 'ns.isc.afilias-nst.info/AAAA/IN': 2001:500:49::1#53
Feb  6 10:33:00 host named[1905]: error (network unreachable) resolving 'dlv.isc.org/DNSKEY/IN': 2001:4f8:0:2::20#53
Feb  6 10:33:00 host named[1905]: error (network unreachable) resolving 'dlv.isc.org/DNSKEY/IN': 2001:500:60::29#53
Feb  6 10:40:14 host kernel: imklog 5.8.10, log source = /proc/kmsg started.
Feb  6 10:40:14 host rsyslogd: [origin software="rsyslogd" swVersion="5.8.10" x-pid="1505" x-info="http://www.rsyslog.com"] start
Feb  6 10:40:14 host kernel: Initializing cgroup subsys cpuset

TOS=0x00 PREC=0x20 TTL=106 ID=30772 DF PROTO=TCP SPT=1299 DPT=3389 WINDOW=65535 RES=0x00 SYN URGP=0
Feb  6 10:02:14 host rsyslogd-2177: imuxsock begins to drop messages from pid 1723 due to rate-limiting
Feb  6 10:03:14 host rsyslogd-2177: imuxsock lost 12 messages from pid 1723 due to rate-limiting
Feb  6 10:04:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 1723 due to rate-limiting
Feb  6 10:08:59 host kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC=00:19:b9:fa:24:b8:d4:ca:6d:07:36:55:08:00 SRC=74.82.47.56 DST=192.168.11.250 LEN=40 TOS=0x00 PREC=0x20 TTL=247 ID=54321 PROTO=TCP SPT=39035 DPT=3389 WINDOW=65535 RES=0x00 SYN URGP=0
Feb  6 10:12:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 2594 due to rate-limiting
Feb  6 10:13:14 host rsyslogd-2177: imuxsock lost 214 messages from pid 2594 due to rate-limiting
Feb  6 10:13:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 2594 due to rate-limiting
Feb  6 10:15:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 3412 due to rate-limiting
Feb  6 10:16:14 host rsyslogd-2177: imuxsock lost 215 messages from pid 3412 due to rate-limiting
Feb  6 10:16:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 3412 due to rate-limiting
Feb  6 10:18:16 host rsyslogd-2177: imuxsock begins to drop messages from pid 3649 due to rate-limiting
Feb  6 10:19:14 host rsyslogd-2177: imuxsock lost 215 messages from pid 3649 due to rate-limiting
Feb  6 10:19:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 3649 due to rate-limiting
Feb  6 10:20:32 host rsyslogd-2177: imuxsock lost 218 messages from pid 3649 due to rate-limiting
Feb  6 10:21:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 3649 due to rate-limiting
Feb  6 10:22:14 host rsyslogd-2177: imuxsock lost 218 messages from pid 3649 due to rate-limiting
Feb  6 10:22:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 3649 due to rate-limiting
Feb  6 10:24:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 4058 due to rate-limiting
Feb  6 10:25:14 host rsyslogd-2177: imuxsock lost 215 messages from pid 4058 due to rate-limiting
Feb  6 10:25:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 4058 due to rate-limiting
Feb  6 10:27:15 host rsyslogd-2177: imuxsock begins to drop messages from pid 4195 due to rate-limiting
Feb  6 10:27:44 host rsyslogd-2177: imuxsock lost 215 messages from pid 4195 due to rate-limiting
Feb  6 10:33:00 host named[1905]: error (network unreachable) resolving 'dlv.isc.org/DNSKEY/IN': 2001:500:c::1#53
Feb  6 10:33:00 host named[1905]: error (network unreachable) resolving 'ns.isc.afilias-nst.info/A/IN': 2001:500:41::1#53
Feb  6 10:33:00 host named[1905]: error (network unreachable) resolving 'ns.isc.afilias-nst.info/AAAA/IN': 2001:500:41::1#53
Feb  6 10:33:00 host named[1905]: error (network unreachable) resolving 'ns.isc.afilias-nst.info/A/IN': 2001:500:19::1#53
Feb  6 10:33:00 host named[1905]: error (network unreachable) resolving 'ns.isc.afilias-nst.info/AAAA/IN': 2001:500:19::1#53
Feb  6 10:33:00 host named[1905]: error (network unreachable) resolving 'ns.isc.afilias-nst.info/A/IN': 2001:500:49::1#53
Feb  6 10:33:00 host named[1905]: error (network unreachable) resolving 'ns.isc.afilias-nst.info/AAAA/IN': 2001:500:49::1#53
Feb  6 10:33:00 host named[1905]: error (network unreachable) resolving 'dlv.isc.org/DNSKEY/IN': 2001:4f8:0:2::20#53
Feb  6 10:33:00 host named[1905]: error (network unreachable) resolving 'dlv.isc.org/DNSKEY/IN': 2001:500:60::29#53
Feb  6 10:40:14 host kernel: imklog 5.8.10, log source = /proc/kmsg started.
Feb  6 10:40:14 host rsyslogd: [origin software="rsyslogd" swVersion="5.8.10" x-pid="1505" x-info="http://www.rsyslog.com"] start
Feb  6 10:40:14 host kernel: Initializing cgroup subsys cpuset

if you need more, I can send it to you!

Please give me a hint - to worry or it is not anything bad...

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Re: Centos server restarts, would like to know why?
« Reply #1 on: February 24, 2017, 09:44:20 AM »
are you sure the server restarts by itself?
It's funny that: centos-webpanel.com has cPanel and not CWP installed.

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Re: Centos server restarts, would like to know why?
« Reply #2 on: February 24, 2017, 10:01:31 AM »
Thats what I am trying to find out.
Reconfigured my router, added mod security, now it looks better....

But how to know if someone else restarted my server??? Were and what to look at???

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Re: Centos server restarts, would like to know why?
« Reply #3 on: March 18, 2017, 07:58:19 AM »
Did you checked your history? Just write "history" and check if somewhere there is "shutdown -r ***" or "reboot".
Current uptime:
UNIX is a very simple OS, but you have to be a GENIUS to understand it ...

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Re: Centos server restarts, would like to know why?
« Reply #4 on: March 22, 2017, 02:15:50 PM »
Hi,

Please run last reboot command and check cron log, messages log, ssh secure log.

[root@ ~]# last reboot

Regards,
Shashikant Sutar