hadoop 2.6.1 出现ssh无法解析主机名等错误提示的解决办法

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#hadoop ssh无法解析主机名

lin@LL162:~/Hadoop/hadoop-2.6.1$ sbin/start-all.sh 
This script is Deprecated. Instead use start-dfs.sh and start-yarn.sh
15/10/21 09:31:22 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
Starting namenodes on [Java HotSpot(TM) Client VM warning: You have loaded library /home/lin/Hadoop/hadoop-2.6.1/lib/native/libhadoop.so.1.0.0 which might have disabled stack guard. The VM will try to fix the stack guard now.
It's highly recommended that you fix the library with 'execstack -c <libfile>', or link it with '-z noexecstack'.
LL163]
sed: -e expression #1, char 6: unknown option to `s'
HotSpot(TM): ssh: Could not resolve hostname HotSpot(TM): Name or service not known
warning:: ssh: Could not resolve hostname warning:: Name or service not known
guard.: ssh_exchange_identification: Connection closed by remote host
guard: ssh_exchange_identification: Connection closed by remote host
Client: ssh_exchange_identification: Connection closed by remote host
VM: ssh_exchange_identification: Connection closed by remote host
which: ssh_exchange_identification: Connection closed by remote host
The authenticity of host 'loaded (202.106.199.34)' can't be established.
RSA key fingerprint is f0:53:b3:43:1f:dc:1f:8c:08:03:a4:40:ed:da:d0:34.
Are you sure you want to continue connecting (yes/no)? The authenticity of host 'might (202.106.199.34)' can't be established.
RSA key fingerprint is f0:53:b3:43:1f:dc:1f:8c:08:03:a4:40:ed:da:d0:34.
Are you sure you want to continue connecting (yes/no)? -c: Unknown cipher type 'cd'
'execstack: ssh: Could not resolve hostname 'execstack: Name or service not known
It's: ssh: Could not resolve hostname It's: Name or service not known
<libfile>',: ssh: Could not resolve hostname <libfile>',: Name or service not known
The authenticity of host 'disabled (202.106.199.34)' can't be established.
RSA key fingerprint is f0:53:b3:43:1f:dc:1f:8c:08:03:a4:40:ed:da:d0:34.
Are you sure you want to continue connecting (yes/no)? will: ssh_exchange_identification: Connection closed by remote host
The authenticity of host 'stack (202.106.199.37)' can't be established.
RSA key fingerprint is a6:1d:25:ab:6c:5b:ae:12:b9:ff:8c:d4:81:42:05:49.
Are you sure you want to continue connecting (yes/no)? The authenticity of host 'have (202.106.199.34)' can't be established.
RSA key fingerprint is f0:53:b3:43:1f:dc:1f:8c:08:03:a4:40:ed:da:d0:34.
Are you sure you want to continue connecting (yes/no)? The authenticity of host 'try (202.106.199.37)' can't be established.
RSA key fingerprint is a6:1d:25:ab:6c:5b:ae:12:b9:ff:8c:d4:81:42:05:49.
Are you sure you want to continue connecting (yes/no)? The authenticity of host 'the (202.106.199.37)' can't be established.
RSA key fingerprint is a6:1d:25:ab:6c:5b:ae:12:b9:ff:8c:d4:81:42:05:49.
Are you sure you want to continue connecting (yes/no)? The authenticity of host 'that (202.106.199.37)' can't be established.
RSA key fingerprint is a6:1d:25:ab:6c:5b:ae:12:b9:ff:8c:d4:81:42:05:49.
Are you sure you want to continue connecting (yes/no)? The authenticity of host 'the (202.106.199.37)' can't be established.
RSA key fingerprint is a6:1d:25:ab:6c:5b:ae:12:b9:ff:8c:d4:81:42:05:49.
Are you sure you want to continue connecting (yes/no)? The authenticity of host 'you (202.106.199.34)' can't be established.
RSA key fingerprint is f0:53:b3:43:1f:dc:1f:8c:08:03:a4:40:ed:da:d0:34.
Are you sure you want to continue connecting (yes/no)? The authenticity of host 'fix (202.106.199.37)' can't be established.
RSA key fingerprint is a6:1d:25:ab:6c:5b:ae:12:b9:ff:8c:d4:81:42:05:49.
Are you sure you want to continue connecting (yes/no)? The authenticity of host 'you (202.106.199.37)' can't be established.
RSA key fingerprint is a6:1d:25:ab:6c:5b:ae:12:b9:ff:8c:d4:81:42:05:49.
Are you sure you want to continue connecting (yes/no)? The authenticity of host 'have (202.106.199.34)' can't be established.
RSA key fingerprint is f0:53:b3:43:1f:dc:1f:8c:08:03:a4:40:ed:da:d0:34.
Are you sure you want to continue connecting (yes/no)? The authenticity of host 'stack (202.106.199.37)' can't be established.
RSA key fingerprint is a6:1d:25:ab:6c:5b:ae:12:b9:ff:8c:d4:81:42:05:49.
Are you sure you want to continue connecting (yes/no)? The authenticity of host 'fix (202.106.199.37)' can't be established.
RSA key fingerprint is a6:1d:25:ab:6c:5b:ae:12:b9:ff:8c:d4:81:42:05:49.
Are you sure you want to continue connecting (yes/no)? The authenticity of host 'now. (202.106.199.37)' can't be established.
RSA key fingerprint is a6:1d:25:ab:6c:5b:ae:12:b9:ff:8c:d4:81:42:05:49.
Are you sure you want to continue connecting (yes/no)? The authenticity of host 'll163 (192.168.0.163)' can't be established.
ECDSA key fingerprint is 7d:17:c1:12:a0:1b:cd:30:58:8c:ce:69:e1:57:f0:c1.
Are you sure you want to continue connecting (yes/no)? The authenticity of host 'vm (202.106.199.34)' can't be established.
RSA key fingerprint is f0:53:b3:43:1f:dc:1f:8c:08:03:a4:40:ed:da:d0:34.
Are you sure you want to continue connecting (yes/no)? it: ssh: Could not resolve hostname it: Name or service not known
The authenticity of host 'highly (202.106.199.37)' can't be established.
RSA key fingerprint is a6:1d:25:ab:6c:5b:ae:12:b9:ff:8c:d4:81:42:05:49.
Are you sure you want to continue connecting (yes/no)? The authenticity of host 'library (202.106.199.34)' can't be established.
RSA key fingerprint is f0:53:b3:43:1f:dc:1f:8c:08:03:a4:40:ed:da:d0:34.
Are you sure you want to continue connecting (yes/no)? The authenticity of host 'or (202.106.199.37)' can't be established.
RSA key fingerprint is a6:1d:25:ab:6c:5b:ae:12:b9:ff:8c:d4:81:42:05:49.
Are you sure you want to continue connecting (yes/no)? Java: ssh: Could not resolve hostname Java: Name or service not known
'-z: ssh: Could not resolve hostname '-z: Name or service not known
noexecstack'.: ssh: Could not resolve hostname noexecstack'.: Name or service not known
The authenticity of host 'library (202.106.199.37)' can't be established.
RSA key fingerprint is a6:1d:25:ab:6c:5b:ae:12:b9:ff:8c:d4:81:42:05:49.
Are you sure you want to continue connecting (yes/no)? The authenticity of host 'the (202.106.199.37)' can't be established.
RSA key fingerprint is a6:1d:25:ab:6c:5b:ae:12:b9:ff:8c:d4:81:42:05:49.
Are you sure you want to continue connecting (yes/no)? The authenticity of host 'with (202.106.199.37)' can't be established.
RSA key fingerprint is a6:1d:25:ab:6c:5b:ae:12:b9:ff:8c:d4:81:42:05:49.
Are you sure you want to continue connecting (yes/no)? The authenticity of host 'recommended (202.106.199.37)' can't be established.
RSA key fingerprint is a6:1d:25:ab:6c:5b:ae:12:b9:ff:8c:d4:81:42:05:49.
Are you sure you want to continue connecting (yes/no)? The authenticity of host 'with (202.106.199.37)' can't be established.
RSA key fingerprint is a6:1d:25:ab:6c:5b:ae:12:b9:ff:8c:d4:81:42:05:49.
Are you sure you want to continue connecting (yes/no)? link: ssh: Could not resolve hostname link: Name or service not known
to: ssh: connect to host to port 22: Connection refused


hadoop 2.61. 需要在环境变量里面添加 

export HADOOP_COMMON_LIB_NATIVE_DIR=$HADOOP_HOME/lib/native
export HADOOP_OPTS="-Djava.library.path=$HADOOP_HOME/lib"

这两句话，只有hadoop_home 是不行的；

后来发现是版本不兼容的问题。我的虚拟机是32位的，hadoop是64位的。吧虚拟机改为64位的 没有此问题；

HADOOP内容总结（Apache Hadoop）。
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