10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I have a script, which connecting to remote server and first checks, if the files are there by timestamp. If not I want the script exit without error. Below is a code
TARFILE=${NAME}.tar
TARGZFILE=${NAME}.tar.gz
ssh ${DESTSERVNAME} 'cd /export/home/iciprod/download/let/monthly;... (3 Replies)
Discussion started by: digioleg54
3 Replies
2. Shell Programming and Scripting
Hello Every one!!
I am trying to write a shell script which will connect to a remote server and execute scripts which are at a certain path in the remote server.
Before this I am using a sudo command to change the user.
The place where I am stuck is, I am able to connect to the... (6 Replies)
Discussion started by: masubram
6 Replies
3. UNIX for Advanced & Expert Users
Hi
We use to run DOS and VB script in Windows Server . Now the requirement is to trigger the same script from AIX server by shell script , thus it would be executed in Remote Windows Server . Is it possible ( though SSH or any other way ) ?
Thanks (2 Replies)
Discussion started by: Sourajit Seth
2 Replies
4. AIX
Hi All,
Im looking for a command that can remotely connect to another AIX machine and execute scripts present in that server(Possible scenarios are a complete a restart of 3 servers in a cluster through a single script execution present in one of the servers). Im relatively new to AIX and... (5 Replies)
Discussion started by: Vishakh
5 Replies
5. BSD
Hi everyone:
I have a server used for testing running FreeBSD, last weekend we had power cuts in my job and our server was constantly rebooting.
since then the network connections are very slow, it's almost impossible establish a remote connection with the server, however running any... (2 Replies)
Discussion started by: edgarvm
2 Replies
6. Linux
Hi all,
I have a couple of questions I've been searching on internet but I didn't find a suitable solution. The aim is that I'd like to access to my home Linux (an 8.04 Ubuntu) from outside. I already achieved with ssh, but I'd like to secure as much as I can. These are questions:
The... (2 Replies)
Discussion started by: AlbertGM
2 Replies
7. AIX
Hi,
In an AIX 5.3 machine, I want to know all existing network connections going out from the box. NETSTAT command will gove me all the active connections. I want all the connections (active or inactive). Is there any command or file that will give this ? (5 Replies)
Discussion started by: ajeeb
5 Replies
8. Shell Programming and Scripting
Sir's, the problem is i have script and 1 user in different 30 servers that ssh to our main server at the same time. Then after that may account automatically locked. I dont know what is the reason, is it the max connection of 1 user using ssh.
Pls help. How to fix this. (0 Replies)
Discussion started by: invinzin21
0 Replies
9. Solaris
Hello everybody,
This is an unusual problem that I am facing on my Solaris 9 on Sun Blade 150 workstation. I can ping remote machines (outside subnet) but I can't open up a connection/port on those machines.
For example, `ping ftp.xyz.com` gives ftp.xyz.com is alive but if I do a `ftp... (1 Reply)
Discussion started by: red_crab
1 Replies
10. AIX
Hi,
I am using AIX 5.2, and I want to copy some files from one server to a remote server using tar command. Can anybody tell me exact command?
Thanks.
Aqeel (2 Replies)
Discussion started by: system-admin
2 Replies
REXEC(1) General Commands Manual REXEC(1)
NAME
rexec -- remote execution client for an exec server
SYNOPSIS
rexec [ -abcdhns -l username -p password ] host command
DESCRIPTION
Rexec calls the rexec(3) routine to act as a client for the remote host's rexecd(8) server.
It asks that ``command'' be run on the host computer, using username/password authentication. See rexec(3) and rexecd(8) for details of the
protocol.
OPTIONS
Rexec accepts several options, but only three are likely to be very useful:
-l username
Set the log-in name on the remote host to username.
-p password
Provide the password for the remote account. The command line argument will be blanked after being parsed, to prevent it from being
seen with ps(1). However, it is still not very secure to type the password on the command line. In particular, be sure that the
shell's history file is protected.
-n Explicitly prompt for name and password, even if provided in the environment, in the $HOME/.netrc file, or in the environmental
variables REXEC_USER and REXEC_PASS.
Other options that might be useful with non-standard remote exec daemons, or to debug connections:
-a Do not set up an auxiliary channel for standard error from command; the remote standard error and output are then both returned on
the local standard output. By default, rexec asks that a separate channel be set up for diagnostic output from the remote command.
-b Use signal handling as in BSD rsh(1). Only the signals SIGINT, SIGQUIT, and SIGTERM are echoed to the remote process. They do not
remain raised locally, so rexec waits for the remote command to shutdown its side of the socket. Also, CNTRL-Z will only suspend
execution locally--the remote command may continue to run.
-c Do not close remote standard input when local standard input closes. Normally the standard input to the remote command is closed
when the local standard input is closed.
-d Turn on debugging information. In particular the command sent to the remote host will be echoed.
-h Print a usage message.
-s Do not echo signals received by the rexec onto the remote process. Normally, signals which can be trapped are passed on to the
remote process; then, when you type CNTRL-C, the remote process terminates as well.
USERNAME AND PASSWORD
Rexec(1) searches for the username and password in the following order:
1. If -n is given on the command line, the user will always be prompted for both, even if they are also given on the command line.
2. The command line will be parsed
3. If the environmental variables REXEC_USER or REXEC_PASS are defined, they will define the username or password.
4. The $HOME/.netrc file will be searched. See ftp(1) for a description of this file's format.
5. Finally, the user will be prompted if either the username or password remains undefined.
SECURITY
Users of this command should be aware that rexec(3) transmits their password to the remote host clear text, not encrypted. If the network
is not secure to the remote host, the password can be comprimised.
SIGNALS
Without the -b option, all signals which can be handled are echoed to the remote process. Afterwards, however, they remain raised in the
local process. Typically, this means that rexec(1) will exit after receiving a fatal signal, even if the remote process has arranged to
handle or ignore it.
Differing operating systems use differing signal numbers; for example AIX and SunOS use 18 for SIGTSTP (^Z), while Linux uses 20. There-
fore, it may have a different effect remotely than locally. In particular, typing CNTL-Z may not suspend the execution of the remote
process.
EXAMPLE
rexec othermachine cat ">remote_file; date" <local_file
will send local_file to the othermachine as remote_file.
BUGS
Please send bug reports, system incompatibilities, and job offers to the author.
SEE ALSO
rexec(3), rexecd(8), rsh(1)
AUTHOR
Michael Sadd
mas22@cornell.edu
http://www.tc.cornell.edu/~sadd/
Thanks to Orange Gopher (2/10/97) and Johannes Plass (plass@dipmza.physik.uni-mainz.de, Oct. 17 1996) for useful suggestions.
February 14, 1997 REXEC(1)