Sponsored Content
Top Forums Shell Programming and Scripting problem feeding netcat a list of hosts Post 302228643 by danmero on Monday 25th of August 2008 06:06:50 AM
Old 08-25-2008
Try this
Code:
while read host;do nc -z $host;done < nc.host

You should read the man page for your nc
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

remote hosts access problem on solaris

hey guys, i am on a box named pluto and i need to be able to log into another box named genesis. i need to be able to ssh into genesis as root and not get asked for the password. what file do i need to edit on genesis to make this happen? i searched for the .rhosts file it doesn't seem to exist.... (1 Reply)
Discussion started by: Terrible
1 Replies

2. Shell Programming and Scripting

Change .bashrc on a list of hosts

Hi, My scripting skills are somewhat basic... I need a way to log into a list of hostname/IPs as a user, su to root and then create/append root's .bashrc Thanks (0 Replies)
Discussion started by: jag7720
0 Replies

3. IP Networking

nc (netcat): Connection refused problem

From my machine (ubuntu), I can do $ nc somemachine 80 But, when I want to connect to other machine that runs nc on different ports, it throws "Connection refused" error. The same error occurs on my local machine. For example, nc -l 5555 nc x.x.x.x 5555 --> this throws "Connection... (2 Replies)
Discussion started by: dinga
2 Replies

4. Shell Programming and Scripting

awk script on a list of hosts

SERVICE NOTIFICATION: SOC;invoice-skysmart-01.net;monthly_process_check;CRITICAL;notify-by-email;CRITICAL: (0) instance(s) of (monthly-processor6) running on host (less than 1) SERVICE NOTIFICATION: SOC;invoice-02.skysmart.net;JAVA_PROCESS_CHECK;CRITICAL;notify-by-email;CRITICAL: (0) instance(s)... (6 Replies)
Discussion started by: SkySmart
6 Replies

5. Shell Programming and Scripting

Problem with feeding password while changing to root user

i want to change user to "root" from another user while running a script. how can i automatically feed the password? for example, i want to write a script say "script.sh"... it will first run the command "p" as mhmn user, and then it will change the user to "root" by using "su - root" command. at... (1 Reply)
Discussion started by: mhmn
1 Replies

6. Shell Programming and Scripting

Copy a file from local host to a list of remote hosts --- perl script

Hi friends, i need to prepare a script ( in perl) i have a file called "demo.exe" in my local unix host. i have a list of remote hosts in a file "hosts.txt" now i need to push "demo.exe" file to all the hosts in "hosts.txt" file. for this i need to prepare a script(in perl, but shell... (5 Replies)
Discussion started by: siva kumar
5 Replies

7. UNIX for Dummies Questions & Answers

List processes that are running on other hosts

Hi: How to list processes from all hosts, as opposed to the one you are working at? "ps ux" appears to list processes of the user on a single host only. Thanks. N.B Phil (5 Replies)
Discussion started by: phil518
5 Replies

8. Shell Programming and Scripting

netstat command to be executed for list of hosts

Hi All, Need to run the netstat -i command on the list of hosts and check if "Ierrs" and "Oerrs" has value greaterthan 0. for Ex: below output, driver bge1 and bge3 has Oerrs and Ierrs value > 0, So, script should report saying "Netstat status for $host, driver bge1 has Oerrs = 20, Failed"... (5 Replies)
Discussion started by: Optimus81
5 Replies

9. Cybersecurity

Maybe a security problem involving Linux hosts

Hello, with the following problem I feel helpless because I do not know where to look for the problem. Sorry in advance for my poor English. At some point the interaction with people on Freenode IRC has become mysterious and offending so that I checked my modem/router device. When I tried to... (2 Replies)
Discussion started by: SInt
2 Replies

10. Solaris

How to copy a tar file on a series of remote hosts and untar it on those hosts?

Am trying to copy a tar file onto a series of remote hosts and untar it at the destination. Need to do this without having to do multiple ssh. Actions to perform within a single ssh session via shell script - copy a file - untar at destination (remote host) OS : Linux RHEL6 (3 Replies)
Discussion started by: sankasu
3 Replies
yppoll(1M)						  System Administration Commands						yppoll(1M)

NAME
yppoll - return current version of a NIS map at a NIS server host SYNOPSIS
/usr/sbin/yppoll [-d ypdomain] [-h host] mapname DESCRIPTION
The yppoll command asks a ypserv() process what the order number is, and which host is the master NIS server for the named map. OPTIONS
-d ypdomain Use ypdomain instead of the default domain. -h host Ask the ypserv process at host about the map parameters. If host is not specified, the NIS server for the local host is used. That is, the default host is the one returned by ypwhich(1). ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWnisu | +-----------------------------+-----------------------------+ SEE ALSO
ypwhich(1), ypfiles(4), attributes(5) SunOS 5.11 14 Sep 1992 yppoll(1M)
All times are GMT -4. The time now is 03:07 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy