SSH Server : Password Authentication2016/06/22 |
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Configure SSH Server to login to a server from remote computer.
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| [1] | OpenSSH is already installed by default even if you installed Fedora with "Minimal Install", so it's not necessarry to install new packages. You can login with Password Authentication by default, but change some settings for security like follows. |
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[root@dlp ~]#
vi /etc/ssh/sshd_config # line 49: change ( prohibit root login remotely ) PermitRootLogin no
# line 78: uncomment PermitEmptyPasswords no PasswordAuthentication yes systemctl restart sshd |
| [2] | If Firewalld is running, allow SSH service. SSH uses 22/TCP. |
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[root@dlp ~]# firewall-cmd --add-service=ssh --permanent success [root@dlp ~]# firewall-cmd --reload success |
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SSH Client : Fedora
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Configure SSH Client for Fedora.
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| [3] | Install SSH Client. |
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[root@client ~]# dnf -y install openssh-clients
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| [4] | Connect to SSH server with a common user. |
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# ssh [username@(hostname or IP address)] [root@client ~]# ssh fedora@dlp.srv.world The authenticity of host 'dlp.srv.world (127.0.53.53)' can't be established. ECDSA key fingerprint is xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:60:90:d8. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added 'dlp.srv.world' (ECDSA) to the list of known hosts. fedora@dlp.srv.world's password: # password of the user [fedora@dlp ~]$ # just logined |
| [5] | It's possbile to execute commands on remote Host with SSH like follows. |
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# for example, execute "cat /etc/passwd" [cent@client ~]$ ssh fedora@dlp.srv.world "cat /etc/passwd" fedora@dlp.srv.world's password: root:x:0:0:root:/root:/bin/bash bin:x:1:1:bin:/bin:/sbin/nologin ... ... tcpdump:x:72:72::/:/sbin/nologin fedora:x:1000:1000:fedora:/home/fedora:/bin/bash |
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SSH Client : Windows
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Configure SSH Client on Windows.
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| [6] | Get a software which you can login with SSH from Windows clients. This example shows to use Putty. Install and start it and input your server's IP address and Click 'Open' button like follows. |
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| [7] | After succeccing authentication, it's possible to login like follows. |
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