July 2005
Intermediate to advanced
944 pages
158h 24m
English
book
Linux in a Nutshell, Fifth Edition
by Ellen Siever, Aaron Weber, Stephen Figgins, Robert Love, Arnold Robbins
Content preview from Linux in a Nutshell, Fifth Edition
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Chapter 3: Linux Commands
This is the Title of the Book, eMatter Edition
Copyright © 2006 O’Reilly & Associates, Inc. All rights reserved.
-f file
Read hostnames or addrlist namelist pairs from file.If- is spec-
ified instead of a filename, read hosts or addrlist namelist pairs
from standard input.
-p port
Specify the port to connect to on the remote host.
-t type
Specify the type of key to get from the scanned hosts. Possible
values are rsa1 for SSH1 (default), or rsa or dsa for SSH2.
Specify multiple values in a comma-separated list.
-T timeout
Specify the timeout for attempting a connection, in seconds.
-v Verbose mode.
sshd
sshd [options]
TCP/IP command. Server for the ssh program, providing a secure
remote-login and remote-execution facility equivalent to rlogin and
rsh. Normally started at boot, sshd listens for incoming connec-
tions, forking a new daemon when one is detected. The forked
daemon handles authentication, command execution, and encryp-
tion. Most implementations of sshd support both SSH protocols 1
and 2. The following options are those used by OpenSSH,
OpenBSD’s Secure Shell implementation.
Options
-4 Use only IPv4 addresses.
-6 Use only IPv6 addresses.
-b bits
Use the specified number of bits in the server key. Default is
768.
-d Run sshd in the foreground and send verbose debug informa-
tion to the system log. Process only one connection. Use the
specified number of bits in the server ...
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