ssh免密码登录

发布时间：2020-12-15 03:19:20 所属栏目：C语言来源：网络整理

导读：生成秘钥 $ ssh-keygen .exeGenerating public / private rsa key pair.Enter file in which to save the key (/c/Users/ 17982 /. ssh / id_rsa):Enter passphrase (empty for no passphrase):Enter same passphrase again:Your identification has been sa

生成秘钥

$ ssh-keygen.exe
Generating public/private rsa key pair.
Enter file in which to save the key (/c/Users/17982/.ssh/id_rsa):
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /c/Users/id_rsa.
Your public key has been saved id_rsa.pub.
The key fingerprint is:
SHA256:sNyM89sJWZx/wsdoa6aJYHM5ySAyEEagW0L4 1782@DESKTOP-4FR0RKP
The key's randomart image is:
+---[RSA 3072]----+
|==o . oo         |
|.o.. o.+.        |
|+.* o.=          |
|o=.= +.B         |
|+ o.o B.S        |
|o+E= o+= +       |
|..o.*=  + o      |
|  . o.   .       |
|                 |
+----[SHA256]-----+

将公钥上传到服务器

ssh-copy-id zxc@zhangxuechao.top /usr/bin/id: INFO: Source of key(s) to be installed: "/c/Users/17982/.ssh/id_rsa.pub" /usr/bin/id: INFO: attempting to log in with the new key(s),to filter out any that are already installed /usr/bin/id: INFO: 1 key(s) remain to be installed -- if you are prompted now it is to install the new keys zxc@zhangxuechao.tops password: Number of key(s) added: 1 Now try logging into the machine,with: ssh 'zxc@zhangxuechao.top'" and check to make sure that only the key(s) you wanted were added.

注意：上传给哪个用户，哪个用户才可以免密

（编辑：李大同）

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