02-13-2007
/etc/hosts via ssh
Hi,
I want to change the /etc/hosts file on the hmc. I am connecting via ssh but any vi command is not allowed.
Can someone please let me know how to do this?
Many Thanks.
Kees
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi,
I logged into h0011awe server. I am executing a script on this server which connects to other 3 hosts (h0022sam, h0033jar, h0044orc). In the script the command are like this
orapmon=`ssh $USR@$host ps -ef|grep -v grep|grep pmon`
I am using secured shell. How to setup that between these... (2 Replies)
Discussion started by: dreams5617
2 Replies
2. Shell Programming and Scripting
Hi,
I would like to do ssh to many hosts and then would like to do 'su -' with respective host's passwords and execute certain commands.
This being a secure and big network , we have to login every server individually and then su with different passwords.
So is there a way to achive it?
... (2 Replies)
Discussion started by: newbewie
2 Replies
3. Red Hat
Hi..,
I am using redhat5 server, i want to know the details about to block ssh via /etc/hosts.deny. Need help immediately (1 Reply)
Discussion started by: thakshina
1 Replies
4. Shell Programming and Scripting
hi
I have a script to login from a host "A" to a list of hosts in a file and perform some commands inside it...its somethin like this
for i in `cat file`
do
ssh -t $i " command1 ; command2; ..."
done
I wanna save the outputs in a file in the current host "A" i.e from where I am... (3 Replies)
Discussion started by: ningy
3 Replies
5. UNIX for Advanced & Expert Users
Hi guys!
I'm working on a little script. I have a txtfile with several hosts, Unix team has copied my keys into several of those servers, but not all of them, I need to figure out which ones I don't have access to, (I want a list of servers I don't have access to, so I can request for it). This... (1 Reply)
Discussion started by: erick_tuk
1 Replies
6. Shell Programming and Scripting
Hi im trying to write a script to logon to list of servers with same userID. I have no option/plan to implement ssh-keygen sharing between the systems, so i have written script creating 2 files,
file1 holds list of hosts
host1
host2
host3
file2 has following script
for i in `cat file1`... (1 Reply)
Discussion started by: dreamaix
1 Replies
7. Shell Programming and Scripting
Hi There,
I have a file contaning some 100 servers names one by one the file called redhat_servers.txt
I want to prepare a script where it should give me the host name and kernal version.
I wrote like this,
#!/bin/bash
while read line
do
ssh $line "uname -nr"
done <... (3 Replies)
Discussion started by: kumar85shiv
3 Replies
8. Red Hat
does anyone know how to force ssh/ssl to use the hosts file instead of DNS? I have disabled the DNS servers but ssh still will not resolve a host in the hosts file.
thanks in advance for the help!
DS (3 Replies)
Discussion started by: derrell simpson
3 Replies
9. UNIX for Dummies Questions & Answers
Hi guys - I am having a hard time trying to figure how to search for a certain string on config files hosted on multiple hosts.
This is an example:
Hostnames: myhost1.mycompany.com|myhost2.mycompany.com|myhost3.mycompany.com
String to search for: myipaddress.somehost.com
Directory... (9 Replies)
Discussion started by: DallasT
9 Replies
10. Shell Programming and Scripting
Dear Folks,
I am trying to read a config file contains ip and port numbers.
i want to read each line of the config file and check ssh connection is happening or not.
Kindly guide.
Config file:
abc@1.2.342 22
abc@1.2.343 22
abc@1.2.344 22
abc@1.2.345 22... (9 Replies)
Discussion started by: sadique.manzar
9 Replies
oarsh(1) OAR commands oarsh(1)
NAME
oarsh - remote shell connector for OAR batch scheduler.
oarcp - oarsh compagnon to copy files from a node or to a node.
SYNOPSIS
oarsh [OPTIONS] <NODENAME> [COMMAND]
oarcp [OPTIONS] [NODENAME:]<PATHNAME> [NODENAME:]<PATHNAME>
DESCRIPTION
Connect a node from the submission frontal of the cluster or any node.
OPTIONS
oarsh uses OpenSSH client (the ssh command) underneath to perform the connection. Thus any OpenSSH option can be used.
ENVIRONMENT
OAR_JOB_ID
From the frontal of the cluster or any node, specify the Id of the job oarsh must connect to.
OAR_JOB_KEY_FILE
Specify a job key oarsh must use, e.g. the one that was used for the submission of the job you want to connect to. This is mandatory
when connecting to a node of a job from a host that does not belong to the nodes managed by the OAR server the job was submitted to.
The -i option may be used as well.
CONFIGURATION
In order to provide the user with the ability to use oarsh to connect both the nodes of his job or other hosts that live out of the scope
of his job, oarsh tries to read two configuration files: first ~/.oarsh-host-include then ~/.oarsh-hosts-exclude.
If exist, those files must contain one regular expression matching a hostname per line.
At execution time, if oarsh finds in ~/.oarsh-host-include a match for the hostname used in the command line, it continues with the
execution of oarsh, skipping ~/.oarsh-hosts-exclude file. If not, it tries to find a match in ~/.oarsh-hosts-exclude and if one is found,
then executes ssh with the same command line. Finally, it no match is found (or for instance, if none of those files exists), it continues
with the execution of oarsh.
For instance, if all nodes look like name-XXX.domain, one may place ^[^.]+-[[:digit:]]+ in ~/.oarsh-host-include and .* in
~/.oarsh-hosts-exclude and then can use oarsh to connect any host.
The feature finally becomes really sexy when one considers placing a symlink to oarsh named ssh, and then can always use the ssh command to
connect any host.
EXAMPLES
Connecting from within our job, from one node to another one (node23):
> oarsh node-23
Connecting to a node (node23) of our job (Id: 4242) from the frontal of the cluster:
> OAR_JOB_ID=4242 oarsh node-23
Connecting to a node (node23) of our job that was submitted using a job key:
> OAR_JOB_KEY_FILE=~/my_key oarsh node-23
Same thing but using OpenSSH-like -i option:
> oarsh -i ~/my_key node-23
NOTES
All OpenSSH features should be inherited by oarsh, for instance X11 forwarding. However, one feature that oarsh does break is the SSH
Agent.
None of OpenSSH user configuration files (within ~/.ssh directory) are used by oarsh.
SEE ALSO
oarsub(1), oardel(1) oarstat(1), oarnodes(1), oarhold(1), oarresume(1)
COPYRIGHTS
Copyright 2008 Laboratoire d'Informatique de Grenoble (http://www.liglab.fr). This software is licensed under the GNU Library General Public License. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
oarsh 2012-05-23 oarsh(1)