<ol style="margin:0 1px 0 0px;padding-left:40px;" start="1" class="dp-css"><li>[root@aefe8007a17d ~]# /usr/sbin/sshd<br /></li><li>could not load host key: /etc/ssh/ssh_host_rsa_key<br /></li><li>could not load host key: /etc/ssh/ssh_host_ecdsa_key<br /></li><li>could not load host key: /etc/ssh/ssh_host_ed25519_key</li></ol>
<ol style="margin:0 1px 0 0px;padding-left:40px;" start="1" class="dp-css"><li>[root@aefe8007a17d ~]# ll /etc/ssh/<br /></li><li>total 252<br /></li><li>-rw-r--r-- 1 root root 242153 mar 21 22:18 moduli<br /></li><li>-rw-r--r-- 1 root root 2208 mar 21 22:18 ssh_config<br /></li><li>-rw------- 1 root root 4361 mar 21 22:18 sshd_config</li></ol>
<ol style="margin:0 1px 0 0px;padding-left:40px;" start="1" class="dp-css"><li>[root@aefe8007a17d ~]# ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key<br /></li><li>generating public/private rsa key pair.<br /></li><li>enter passphrase (empty for no passphrase): <br /></li><li>enter same passphrase again: <br /></li><li>your identification has been saved in /etc/ssh/ssh_host_rsa_key.<br /></li><li>your public key has been saved in /etc/ssh/ssh_host_rsa_key.pub.<br /></li><li>the key fingerprint is:<br /></li><li>5e:2d:19:51:b1:e3:e0:60:65:53:e4:14:f8:d8:38:af root@aefe8007a17d<br /></li><li>the key's randomart image is:<br /></li><li>+--[ rsa 2048]----+<br /></li><li>| ==bo |<br /></li><li>| o.= . |<br /></li><li>| o o=+ |<br /></li><li>| . o+*o. |<br /></li><li>| s =oo |<br /></li><li>| . . .. |<br /></li><li>| . . |<br /></li><li>| e |<br /></li><li>| |<br /></li><li>+-----------------+<br /></li><li>[root@aefe8007a17d ~]# ssh-keygen -t ecdsa -f /etc/ssh/ssh_host_ecdsa_key</li><li><br /></li></ol>
<ol style="margin:0 1px 0 0px;padding-left:40px;" start="1" class="dp-css"><li>[root@aefe8007a17d ~]# ssh-keygen -t ecdsa -f /etc/ssh/ssh_host_ecdsa_key</li></ol>
<ol style="margin:0 1px 0 0px;padding-left:40px;" start="1" class="dp-css"><li>[root@aefe8007a17d ~]# ssh-keygen -t ed25519 -f /etc/ssh/ssh_host_ed25519_key</li></ol>
<ol style="margin:0 1px 0 0px;padding-left:40px;" start="1" class="dp-css"><li>[root@aefe8007a17d ~]# ll /etc/ssh/<br /></li><li>total 276<br /></li><li>-rw-r--r-- 1 root root 242153 mar 21 22:18 moduli<br /></li><li>-rw-r--r-- 1 root root 2208 mar 21 22:18 ssh_config<br /></li><li>-rw------- 1 root root 227 may 22 16:48 ssh_host_ecdsa_key<br /></li><li>-rw-r--r-- 1 root root 179 may 22 16:48 ssh_host_ecdsa_key.pub<br /></li><li>-rw------- 1 root root 411 may 22 16:48 ssh_host_ed25519_key<br /></li><li>-rw-r--r-- 1 root root 99 may 22 16:48 ssh_host_ed25519_key.pub<br /></li><li>-rw------- 1 root root 1679 may 22 16:48 ssh_host_rsa_key<br /></li><li>-rw-r--r-- 1 root root 399 may 22 16:48 ssh_host_rsa_key.pub<br /></li><li>-rw------- 1 root root 4361 mar 21 22:18 sshd_config</li></ol>
<ol style="margin:0 1px 0 0px;padding-left:40px;" start="1" class="dp-css"><li>[root@localhost ~]# ssh 172.17.0.2<br /></li><li>the authenticity of host '172.17.0.2 (172.17.0.2)'can't be established.<br />ecdsa key fingerprint is 37:2a:69:46:c4:bd:92:b2:43:b4:cc:42:41:8e:12:2e.<br />are you sure you want to continue connecting (yes/no)?</li></ol>
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