所以上周,一个关于EC2的实例停止响应,我仍然不知道为什么因为我不能再进入SSH,我怀疑安装到另一个驱动器的/ tmp /目录因某些未知原因而无法访问.
我仍然能够在AWS控制台中提取日志,这里有一些非常相关的行(我仍然能够重启服务器)：
Welcome to CentOS release 5.4 (Final)
Press 'I' to enter interactive startup.
Cannot access the Hardware Clock via any kNown method.
Use the --debug option to see the details of our search for an access method.
Setting clock : Thu Dec 29 13:52:43 EST 2011 [ OK ]
Starting udev: [ OK ]
Setting hostname localhost.localdomain: [ OK ]
No devices found
Setting up Logical Volume Management: File descriptor 7 (/sys/kernel/hotplug) leaked on lvm.static invocation. Parent PID 232: /bin/bash
[ OK ]
Checking filesystems
Checking all file systems.
[/sbin/fsck.ext3 (1) -- /] fsck.ext3 -a /dev/sda1
/dev/sda1: clean,202786/1310720 files,1428718/2621440 blocks
[ OK ]
Remounting root filesystem in read-write mode: [ OK ]
Mounting local filesystems: [ OK ]
Enabling local filesystem quotas: [ OK ]
chown: cannot access `/tmp/.ICE-unix': No such file or directory
Enabling /etc/fstab swaps: [ OK ]
INIT: Entering runlevel: 4
Entering non-interactive startup
Starting background readahead: [ OK ]
Bringing up loopback interface: [ OK ]
Bringing up interface eth0:
Determining IP information for eth0...mktemp: cannot create temp file /tmp/wnt890: No such file or directory
/sbin/dhclient-script: line 57: $rscf: ambiguous redirect
/sbin/dhclient-script: line 62: $rscf: ambiguous redirect
/sbin/dhclient-script: line 69: $rscf: ambiguous redirect
done.
[ OK ]
Starting getsshkey: /etc/rc4.d/S11getsshkey: line 12: /tmp/my-key: No such file or directory
getting ssh-key...
/etc/rc4.d/S11getsshkey: line 17: /tmp/my-key: No such file or directory
getting ssh-key...
我确定它不是防火墙问题.这是nmap的输出
[root@ip-xxxxxxxxx ~]# nmap -sS -P0 xxxxxxxxxxx Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2011-12-29 16:32 EST Interesting ports on xxxxxx (xxxxxxxxx): Not shown: 1675 filtered ports PORT STATE SERVICE 22/tcp closed ssh 25/tcp closed smtp 80/tcp closed http 443/tcp closed https 8000/tcp closed http-alt
解决方法
原文地址：https://www.jb51.cc/linux/396075.html
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