Networking Command: -

Q) Which command is used to connect a remote unix host from local host ?

Ans – ssh or telnet command is used for connecting from local unix host to another remote unix host.

1.       SSH (Secure Shell)

SSH connection is done by port number 22.

$ ssh ServerName or IPAddress

User Name: -

Password: -

Connected.

$

2.       Telnet

Telnet connection is done by port number 23.

$ telnet ServerName or IPAddress

User Name: -

Password: -

Connected.

$

Q) How we connect to remote host and also do file transfer ?

Ans – ftp or sftp command is used for remote host connection and also file transfer between them.

FTP (File Transfer Protocol): -

-Port 21 is used for connection with remote host and port 20 is used for file transfer.

$ ftp servername or ipaddress

Userid: -

Password: -

ftp>

-To Put a single file from local host to remote host as below.

ftp> put filename1<Enter – Key>

ftp>bye<Enter – Key>

$

-To Put multiple files from local host to remote host as below.

ftp> mput <pattern of multiple files><Enter – Key>

ftp>bye<Enter – Key>

-To Get a single file from remote host to local host as below.

ftp> get filename1<Enter – Key>

ftp>bye<Enter – Key>

-To Get Multiple files from remote host to local host as below.

ftp> mget <pattern of multiple files><Enter – Key>

ftp>bye<Enter – Key>

-To Change Path of local host from remote host will be as below.

ftp> lcd <Local Host Path><Enter – Key>

SFTP (Secure File Transfer Protocol): -

-It is same as FTP, but it is more secure than FTP.
-In industry, SFTP Connection is more preferable.

-the port number will be 22.

$ sftp servername or ipaddress

Userid: -

Password: -

sftp>

-To Put a single file from local host to remote host as below.

sftp> put filename1<Enter – Key>

sftp>bye<Enter – Key>

$

-To Put multiple files from local host to remote host as below.

sftp> mput <pattern of multiple files><Enter – Key>

sftp>bye<Enter – Key>

-To Get a single file from remote host to local host as below.

sftp> get filename1<Enter – Key>

sftp>bye<Enter – Key>

-To Get Multiple files from remote host to local host as below.

sftp> mget <pattern of multiple files><Enter – Key>

sftp>bye<Enter – Key>

-To Change Path of local host from remote host will be as below.

sftp> lcd <Local Host Path><Enter – Key>

SCP (Secure Copy) Command: -

Q) Which command is used in both connection and file transfer in one line ?

Ans – scp

Q) How you transfer files from local host to remote host using scp command ?

Ans –

scp source destination<Enter – Key>

To Put File to Remote Server,

$ scp /land01/path02/inbound/file34.dat username/password@servername:path<Enter – Key>

To Get File from Remote Server,

$ scp username/password@servername:/parttion/frz/file345.dat /lano1/path03/<Enter - Key>

Q) How to get ip address of Unix Server ?

Ans - $ ifconfig<Enter – Key>

Q) How to get ip address of Window Server ?

Ans - $ ipconfig<Enter – Key>