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ssh連接其他Linux機器過慢怎麼辦?

  ssh在連接其他Linux機器的時候,有時會出現這樣的問題,雖然能夠連接上,但連接速度很慢,非常消耗時間,下面小編就給大家介紹下ssh連接Linux機器過慢的解決方法,感興趣的朋友可以來了解下。

 ssh連接其他Linux機器過慢怎麼辦?

  在局域網內,能ping通目標機器,並且時延是微秒級。

  用ssh連局域網內其他linux機器,會等待10-30秒才有提示輸入密碼。嚴重影響工作效率。

  CentOS修改後效果一樣

  =================================

  客戶端操作系統版本:

  cat /etc/lsb-release

  DISTRIB_ID=Ubuntu

  DISTRIB_RELEASE=9.10

  DISTRIB_CODENAME=karmic

  DISTRIB_DESCRIPTION=“Ubuntu 9.10”0

  =================================

  調試信息:

  [root@IBM ~]# ssh -v 10.10.10.100

  OpenSSH_3.9p1, OpenSSL 0.9.7a Feb 19 2003

  debug1: Reading configuration data /etc/ssh/ssh_config

  debug1: Applying options for *

  debug1: Connecting to 10.10.10.100 [10.10.10.100] port 22.

  debug1: connect to address 10.10.10.100 port 22: Connection refused

  ssh: connect to host 10.10.10.100 port 22: Connection refused

  ----------------[網絡上的調試信息]----------------------

  ssh -v 192.168.12.16

  OpenSSH_5.1p1 Debian-6ubuntu2, OpenSSL 0.9.8g 19 Oct 2007

  debug1: Reading configuration data /etc/ssh/ssh_config

  debug1: Applying options for *

  debug1: Connecting to 192.168.12.16 [192.168.12.16] port 22.

  debug1: Connection established.

  debug1: identity file /home/zhouhh/.ssh/identity type -1

  debug1: identity file /home/zhouhh/.ssh/id_rsa type -1

  debug1: identity file /home/zhouhh/.ssh/id_dsa type -1

  debug1: Remote protocol version 2.0, remote software version OpenSSH_4.3

  debug1: match: OpenSSH_4.3 pat OpenSSH_4*

  debug1: Enabling compatibility mode for protocol 2.0

  debug1: Local version string SSH-2.0-OpenSSH_5.1p1 Debian-6ubuntu2

  debug1: SSH2_MSG_KEXINIT sent

  debug1: SSH2_MSG_KEXINIT received

  debug1: kex: server-》client aes128-cbc hmac-md5 none

  debug1: kex: client-》server aes128-cbc hmac-md5 none

  debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024《1024《8192) sent

  debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP

  debug1: SSH2_MSG_KEX_DH_GEX_INIT sent

  debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY

  debug1: Host ‘192.168.12.16’ is known and matches the RSA host key.

  debug1: Found key in /home/zhouhh/.ssh/known_hosts:1

  debug1: ssh_rsa_verify: signature correct

  debug1: SSH2_MSG_NEWKEYS sent

  debug1: expecting SSH2_MSG_NEWKEYS

  debug1: SSH2_MSG_NEWKEYS received

  debug1: SSH2_MSG_SERVICE_REQUEST sent

  debug1: SSH2_MSG_SERVICE_ACCEPT received

  debug1: Authentications that can continue: publickey,gssapi-with-mic,password

  debug1: Next authentication method: gssapi-with-mic

  debug1: An invalid name was supplied

  Cannot determine realm for numeric host address

  debug1: An invalid name was supplied

  Cannot determine realm for numeric host address

  debug1: An invalid name was supplied

  debug1: Next authentication method: publickey

  debug1: Trying private key: /home/zhouhh/.ssh/identity

  debug1: Trying private key: /home/zhouhh/.ssh/id_rsa

  debug1: Trying private key: /home/zhouhh/.ssh/id_dsa

  debug1: Next authentication method: password

  password:

  debug1: Authentication succeeded (password)。

  debug1: channel 0: new [client-session]

  debug1: Entering interactive session.

  debug1: Sending environment.

  debug1: Sending env LANG = zh_CN.UTF-8

  Last login: Fri Dec 25 13:35:04 2009 from 192.168.11.146

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