Sponsored Content
Top Forums Shell Programming and Scripting Need Help ssh key fail on remote server Post 302980745 by vtowntechy on Thursday 1st of September 2016 07:30:11 PM
Old 09-01-2016
RedHat Need Help ssh key fail on remote server

Hello everyone,
I need some help writing a bash script to:
1. ssh from a jumpserver to 50 remote servers logging in automatically using ssh keys and capture if zabbix is running by running a "ps -ef | grep zabbix" and output to a logfile capturing the server hostname and ps -ef output to determine if zabbix is running.
2. I need the script to move on to the next server if ssh keys are not working and it asks for a password. It would be nice to have output to a log file all the servers where ssh keys are not working so I can go and fix the those servers later.

The problem I am having now is the script hangs on a server whenever the ssh keys dont work. So I really need some bash code for the script to skip to next server when this happens. I believe I need an if then statement script but cant figure out the exact syntax.

Here is what I have so far:
Code:
#!/bin/bash
for x in `cat server_list`;do echo $x>>zab_chk_output.txt; ssh $x ps -ef | grep zabbix>>zab_chk_output.txt
done

Appreciate everyone's help with this and thanks!
-vtowntechy
 

10 More Discussions You Might Find Interesting

1. Cybersecurity

SSH key code versus server key code

Hi, When logging in using SSH access (to a remotely hosted account), I received a prompt to accept a server's key fingerprint. Wrote that string of code down for comparision. Already emailed my host for their listing of the string of code for the server's key fingerprint (for comparison,... (1 Reply)
Discussion started by: Texan
1 Replies

2. Shell Programming and Scripting

Generate Public Key when the server is not ssh enabled

I am writing a script that needs to access various servers some of which are not ssh enabled. In order to access the ssh enabled servers I am using the following command to generate the public key : ssh-keygen -t rsa Is there a similar command for the other servers as well. If I try to use... (1 Reply)
Discussion started by: ravneet123
1 Replies

3. Shell Programming and Scripting

Using ssh to add register key on ssh server

Hi, I want to use ssh to add a register key on remote ssh server. Since there are space characters in my register key string, it always failed. If there is no space characters in the string, it worked fine. The following is what I have tried. It seems that "ssh" command doesn't care about double... (9 Replies)
Discussion started by: leaftree
9 Replies

4. Shell Programming and Scripting

how to ssh to remote unix machines using private/public key

hello, iam able to ssh to a linux server from a linux server called "machine1" using the private/public key method, so I dont need to enter any password when I run my script but iam not able to ssh from machine1 to a UNIX server, access is denied. note that I am using an application id which is... (6 Replies)
Discussion started by: wydadi
6 Replies

5. AIX

ssh public key auth "Remote login for account is not allowed" ?

Hello, Using AIX 6.1 boxes. User user1 connects from box A to box B using ssh. When password authentication is used everything is fine. When I configure user1 to use public key authentication sftp client works fine(no password asked), but ssh client fails. This is sshd log: Accepted publickey... (3 Replies)
Discussion started by: vilius
3 Replies

6. Solaris

Solaris 8 ssh public key authentication issue - Server refused our key

Hi, I've used the following way to set ssh public key authentication and it is working fine on Solaris 10, RedHat Linux and SuSE Linux servers without any problem. But I got error 'Server refused our key' on Solaris 8 system. Solaris 8 uses SSH2 too. Why? Please help. Thanks. ... (1 Reply)
Discussion started by: aixlover
1 Replies

7. Shell Programming and Scripting

Auto Remote SSH key setup

Hi Guys!! I am trying to get around the complex situation, i have a task to complete, Like to setup the remote SSH key automatically by providing the root login details, ip and ssh port once to the script input and once its tested and accepted the next ssh should be password less, script... (0 Replies)
Discussion started by: SilvesterJ
0 Replies

8. IP Networking

Cygwin remote ssh with key authentication method

Hi experts, I am not sure in which forum to submit this question. If this is not the correct place then please let me know where to submit this thread. My requirement is to invoke windows batch scripts from linux shell script. Hence, I have installed openssh in Cygwin on the windows machine.... (2 Replies)
Discussion started by: ahmedwaseem2000
2 Replies

9. Shell Programming and Scripting

Multi server access through remote server using ssh

Team, Presently I have 5 ip address kept in ip_abc1 file, for each of the ip address listed, i need to login on each ipaddress one at a time and login as below for that specific ip address ssh -p 8101 karaf@<ip.address_for the specific ip address as logged in> password features:list... (4 Replies)
Discussion started by: whizkidash
4 Replies

10. Solaris

Remote Ssh Fail

Hi, I'm getting error when try to remote using ssh. I already check and ssh service is online. Does solaris 11 sparc need to do other setting. Error is interactive keyboard failed. Please assist me. Thanks. ---------- Post updated at 10:25 PM ---------- Previous update was at 08:49 PM... (0 Replies)
Discussion started by: mzainal
0 Replies
SSH-COPY-ID(1)						      General Commands Manual						    SSH-COPY-ID(1)

NAME
ssh-copy-id - install your public key in a remote machine's authorized_keys SYNOPSIS
ssh-copy-id [-i [identity_file]] [user@]machine DESCRIPTION
ssh-copy-id is a script that uses ssh to log into a remote machine (presumably using a login password, so password authentication should be enabled, unless you've done some clever use of multiple identities) It also changes the permissions of the remote user's home, ~/.ssh, and ~/.ssh/authorized_keys to remove group writability (which would oth- erwise prevent you from logging in, if the remote sshd has StrictModes set in its configuration). If the -i option is given then the identity file (defaults to ~/.ssh/id_rsa.pub) is used, regardless of whether there are any keys in your ssh-agent. Otherwise, if this: ssh-add -L provides any output, it uses that in preference to the identity file. If the -i option is used, or the ssh-add produced no output, then it uses the contents of the identity file. Once it has one or more fin- gerprints (by whatever means) it uses ssh to append them to ~/.ssh/authorized_keys on the remote machine (creating the file, and directory, if necessary) SEE ALSO
ssh(1), ssh-agent(1), sshd(8) OpenSSH 14 November 1999 SSH-COPY-ID(1)
All times are GMT -4. The time now is 06:53 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy