linux问题汇总---如何生成密钥对
准备:2台机器,ip分别为:192.168.0.195 192.168.1.210
目的:通过195ssh远程访问210.无需输入密码
1、首先在195上生成密钥对。
#cd /root/.ssh
#ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/root/.ssh/id_rsa): (直接回车)
Enter passphrase (empty for no passphrase): (直接回车)
Enter same passphrase again: (直接回车)
Your identification has been saved in /root/.ssh/id_rsa.
Your public key has been saved in /root/.ssh/id_rsa.pub.
The key fingerprint is:
06:96:6b:56:0c:33:a4:24:16:8c:06:35:9b:98:8b:e7 [email protected]
2、在root/.ssh目录下生成密钥对 id_rsa和id_rsa.pub
其中id_rsa是私钥,id_rsa.pub是公钥。
3、将公钥直接copy到210的/root/.ssh目录下
#scp id_rsa.pub [email protected]:/root/.ssh
4、将210机器上的id_rsa.pub改名为authorized_keys
#cd /root/.ssh
#mv id_rsa.pub authorized_keys
5、密钥设置成功。195ssh访问210无需密码成功
#ssh 192.168.1.210
成功啦
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