cygwin安装sshd服务并实现无密码登录
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这篇文章主要是为我在win7(64位)下搭建hadoop环境所准备的。首先参照在cygwin使用总结这篇文章在cygwin中安装所必须得软件包,然后如下进行操作:
sony@sony-VAIO~ $ ssh-host-config*** Info: Generating /etc/ssh_host_key*** Info: Generating /etc/ssh_host_rsa_key*** Info: Generating /etc/ssh_host_dsa_key*** Info: Generating /etc/ssh_host_ecdsa_key*** Info: Creating default /etc/ssh_config file*** Info: Creating default /etc/sshd_config file*** Info: Privilege separation is set to yes by default since OpenSSH 3.3.*** Info: However, this requires a non-privileged account called 'sshd'.*** Info: For more info on privilege separation read /usr/share/doc/openssh/README.privsep.*** Query: Should privilege separation be used? (yes/no) no*** Info: Updating /etc/sshd_config file*** Query: Do you want to install sshd as a service?*** Query: (Say "no" if it is already installed as a service) (yes/no) yes*** Query: Enter the value of CYGWIN for the daemon: netsec] netsec*** Info: On Windows Server 2003, Windows Vista, and above, the*** Info: SYSTEM account cannot setuid to other users -- a capability*** Info: sshd requires. You need to have or to create a privileged*** Info: account. This script will help you do so.*** Info: You appear to be running Windows XP 64bit, Windows 2003 Server,*** Info: or later. On these systems, it's not possible to use the LocalSystem*** Info: account for services that can change the user id without an*** Info: explicit password (such as passwordless logins [e.g. public key*** Info: authentication] via sshd).*** Info: If you want to enable that functionality, it's required to create*** Info: a new account with special privileges (unless a similar account*** Info: already exists). This account is then used to run these special*** Info: servers.*** Info: Note that creating a new user requires that the current account*** Info: have Administrator privileges itself.*** Info: No privileged account could be found.*** Info: This script plans to use 'cyg_server'.*** Info: 'cyg_server' will only be used by registered services.*** Query: Do you want to use a different name? (yes/no) yes*** Query: Enter the new user name: sony*** Query: Reenter: sony*** Warning: Privileged account 'sony' was specified,*** Warning: but it does not have the necessary privileges.*** Warning: Continuing, but will probably use a different account.*** Warning: The specified account 'sony' does not have the*** Warning: required permissions or group memberships. This may*** Warning: cause problems if not corrected; continuing...*** Query: Please enter the password for user 'sony':*** Query: Reenter:*** Info: The sshd service has been installed under the 'sony'*** Info: account. To start the service now, call `net start sshd' or*** Info: `cygrunsrv -S sshd'. Otherwise, it will start automatically*** Info: after the next reboot.*** Info: Host configuration finished. Have fun!
$ net start sshd
发生系统错误 1069 --- 表示由于登录失败而无法启动服务
解决方法:在cmd中输入services.msc即可打开windows的服务,在服务中把密码改对就可以了。
(在上面配置ssh的过程中我的用户名是:sony 密码是:123456)
sshd服务装成功如下:
sony@sony-VAIO ~ $ net start sshdCYGWIN sshd 服务正在启动 .CYGWIN sshd 服务已经启动成功
接下来是配置无密码登陆:
sony@sony-VAIO ~ $ ssh-keygen -t rsaGenerating public/private rsa key pair.Enter file in which to save the key (/home/sony/.ssh/id_rsa):Created directory '/home/sony/.ssh'.Enter passphrase (empty for no passphrase):Enter same passphrase again:Your identification has been saved in /home/sony/.ssh/id_rsa.Your public key has been saved in /home/sony/.ssh/id_rsa.pub.The key fingerprint is:e8:38:5e:e3:bb:cf:76:03:61:5f:f2:68:ed:a3:49:db sony@sony-VAIOThe key's randomart image is:+--[ RSA 2048]----+| || || || .o . . || ..So * || o . + o || o + o.. || . + o..o+o || . +=o.+oE. |+-----------------+sony@sony-VAIO ~ $ cd .ssh/sony@sony-VAIO ~/.ssh $ lsid_rsa id_rsa.pubsony@sony-VAIO ~/.ssh $ cp id_rsa.pub authorized_keyssony@sony-VAIO ~/.ssh $ lsauthorized_keys id_rsa id_rsa.pub
验证如下:
sony@sony-VAIO ~/.ssh $ ssh localhostThe authenticity of host 'localhost (::1)' can't be established.ECDSA key fingerprint is 5f:21:b1:24:80:92:f6:af:3e:e3:a8:f9:cb:a4:4f:ec.Are you sure you want to continue connecting (yes/no)? yesWarning: Permanently added 'localhost' (ECDSA) to the list of known hosts.sony@sony-VAIO ~ $ whosony tty0 2011-11-25 15:42 (::1)
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