- 开发部说他们的一台服务器最近2天ssh无法登陆，但是ping OK：
- [root@cms1 ~]# last reboot
-
reboot system boot 2.6.18-8.el5 Sat May 7 07:33 (09:55)
-
reboot system boot 2.6.18-8.el5 Sat May 7 00:17 (17:12)
-
reboot system boot 2.6.18-8.el5 Thu May 5 23:52 (1+17:36)
- [root@cms1 ~]# last -x
-
root pts/0 124.108.10.16 Sat May 7 17:28 still logged in
-
root pts/0 124.108.10.16 Sat May 7 17:11 - 17:28 (00:16)
-
root pts/1 124.108.10.53 Sat May 7 07:37 - 07:58 (00:20)
-
root pts/0 cms2 Sat May 7 07:35 - 16:16 (08:41)
-
runlevel (to lvl 3) 2.6.18-8.el5 Sat May 7 07:33 - 17:31 (09:57)
-
reboot system boot 2.6.18-8.el5 Sat May 7 07:33 (09:57)
-
runlevel (to lvl 3) 2.6.18-8.el5 Sat May 7 00:17 - 07:33 (07:16)
-
reboot system boot 2.6.18-8.el5 Sat May 7 00:17 (17:14)
-
root pts/3 124.108.10.30 Fri May 6 09:18 - 15:41 (06:23)
-
root pts/2 124.108.10.16 Fri May 6 09:15 - 12:31 (03:16)
-
root pts/1 124.108.10.17 Fri May 6 09:11 - 09:19 (00:08)
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root pts/0 124.108.10.16 Fri May 6 09:10 - 12:31 (03:20)
-
root pts/0 cms2 Thu May 5 23:56 - 00:03 (00:07)
-
runlevel (to lvl 3) 2.6.18-8.el5 Thu May 5 23:52 - 00:17 (1+00:24)
-
reboot system boot 2.6.18-8.el5 Thu May 5 23:52 (1+17:39)
把服务器加入zenoss观察一下。
发现5/6.5/7机箱温度达到45-50，cpu负载达到18,我靠4core*2的机器。23:30 还有的计划任务，oracle全库导出。
去机房查看服务器，7台服务器叠在一起，服务器背后不知道谁还在电源线上挂了块抹布(擦灰尘的?手一摸好烫啊！)，挡住的半边的出风口。哎,自建机房就是。。。!
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