12.7 OpenSSH Configuration Files and Commands (commands used with SSH)

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sftp pwd

shows the current directory

service sshd status

shows the status of a single daemon or daemons

scp @hostname:remotefile

specifies the remote system and the remote file.

scp username

specifies the user account on the remote system

sftp username

specifies the user account on the remote system (sftp)

/etc/rc.d/init.d/sshd start

alternative method to service sshd start

slogin

Allows access to a shell on a remote computer. It is identical to the ssh command. This is supported only for backwards compatibility.

scp

Encrypt and copy files from a remote system over the network

service sshd

Manage the current state of the SSH daemon on the server

ssh_host_key.pub (ssh1) ssh_host_rsa_key.pub (ssh2) ssh_host_dsa_key.pub (ssh2)

The server sends one of the following public keys from the /etc/ssh directory to the client

sftp

Transfer files securely from ftp servers

which

Verify if a package is installed on the system

~/.ssh/known_hosts or /etc/ssh/ssh_know_hosts

Where the client stores SSH keys

sftp [email protected]

connects to the FTP server as bjones.

scp ~/clientfile [email protected]:/home/bjones/

copies clientfile from the client computer to the home directory of bjones on the server.

scp [email protected]:/home/bjones/file1 [email protected]:/home/bjones/

copies file1 from hs1 to hs2.

sftp dir

displays files in the current directory.

sftp get

file_name copies a file from the ftp server

service sshd stop

halts a running daemon.

slogin -l bjones hs1

logs in to the hs1 computer as bjones.

sftp @hostname

specifies the remote system

scp destination/filename

specifies where to location and name of the new file. If the new file name is omitted, the file is copied using the original name.

service sshd start

starts a daemon that is not currently running

service sshd restart

stops and restarts a daemon.

sftp cdup

traverses up a directory

which ssh

verifies that the SSH client daemon is installed.

which sshd

verifies that the SSH server daemon is installed.


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