bash 如何在shell脚本中将密码传递给sftp连接
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how to pass password to sftp connection in shell script
提问by Trinadh Sidda
I have an sftp connection to a server in Unix. Without password, I use the syntax to connect and execute command
我有一个到 Unix 服务器的 sftp 连接。没有密码，我使用语法来连接和执行命令
sftp -b $user@$server_name
sftp -b $user@$server_name
Can anyone suggest me how can I write a shell script to connect a remote server non interactively using a password
任何人都可以建议我如何编写一个 shell 脚本来使用密码以非交互方式连接远程服务器
回答by cmdilip
Try with this below option,
尝试使用以下选项，
lftp -u $user,$pass sftp://$host << --EOF--
cd $directory
put $srcfile
quit
--EOF--
--EOF--
回答by Tux
You could use ~/.ssh/config file.
您可以使用 ~/.ssh/config 文件。
#
# ~/.ssh/config
#
Host servername
Hostname 127.127.127.127
Port 22
User root
#EOF: config
Then simply connect with "ssh servername" and if you don't want to use password you can use SSH key. Here is good tutorial on how to do that > http://www.cyberciti.biz/tips/linux-multiple-ssh-key-based-authentication.html
然后只需使用“ssh servername”连接，如果您不想使用密码，您可以使用 SSH 密钥。这是关于如何做到这一点的好教程> http://www.cyberciti.biz/tips/linux-multiple-ssh-key-based-authentication.html
If you just want to pass user/server from terminal, you can do this.
如果您只想从终端传递用户/服务器，您可以这样做。
#!/bin/bash
sftp -b ""@""
then use it like this './sftp.sh user server'
然后像这样使用它'./sftp.sh user server'
use SCP like this;
像这样使用SCP；
scp -P 22 user@server:/dir/file.tgz ~/Desktop/
use SFTP like this;
像这样使用 SFTP；
sftp user@server:/dir/file.tgz ~/Desktop/file.tgz
You can also try this;
你也可以试试这个；
sftp user@host <<EOF
get /dir/file.tgz
rm /dir/file.tgz
EOF
回答by Brian Campbell
The best way to do this would be to create a key pair on the client, and add the key to the target user's ~/.ssh/authorized_keys.
最好的方法是在客户端创建一个密钥对，并将密钥添加到目标用户的~/.ssh/authorized_keys.
To create a key pair, run ssh-keygenand when it asks for a password, just hit return to indicate "no password". Then either run ssh-copy-id $user@$server_nameor manually create a ~/.ssh/authorized_keyson the server and copy the contents of the ~/.ssh/id_rsa.pubfrom the client into it (ssh-copy-idisn't available on all machines, so on some you'll have to do it manually).
要创建密钥对，请运行ssh-keygen，当它要求输入密码时，只需按回车键表示“无密码”。然后在服务器上运行ssh-copy-id $user@$server_name或手动创建 a并将客户端~/.ssh/authorized_keys的内容复制~/.ssh/id_rsa.pub到其中（ssh-copy-id并非在所有机器上都可用，因此在某些机器上您必须手动执行）。
Now you should be able to run sshor scpwithout a password, as it should use your key instead. If it doesn't work, make sure that the permissions on your ~/.ssh/directory and contents are correct on both machines; the directory should be 0700(drwx------) and the files should be 600(-rw-------). Also check that key authentication is enabled on both the client and the server.
现在，你应该能够运行ssh或scp不使用密码，因为它应该用你的密钥来代替。如果它不起作用，请确保您的~/.ssh/目录和内容在两台机器上的权限都正确；目录应为0700( drwx------)，文件应为600( -rw-------)。还要检查是否在客户端和服务器上都启用了密钥身份验证。
