Shell Programming and Scripting

#!bin/bash
for i in $(cat ipahosts)
do
hostname
cat /etc/sssd/sssd.conf >>ipa_servers_list
done

#!bin/bash
while read -r host in $(cat ipahosts)
do	ssh $host <<-EOF
		ipaserver=$(awk 'awk commands to extract ipahostname' /etc/sssd/sssd.conf)
		printf 'host: %s ipahost: %s\n' "$(hostname)" "$ipaserver"
	EOF
done < ipahosts > ipa_servers_list

[root@xyz_server ~]# cat /etc/sssd/sssd.conf
[domain/]
cache_credentials = True
krb5_store_password_if_offline = True
krb5_realm = UNIX-PROD
ipa_domain = sampledomain.com
id_provider = ipa
auth_provider = ipa
access_provider = ipa
ipa_hostname = ipahostname.domain.com
chpass_provider = ipa
ipa_server = ipaserver.domain.com, ipaserver2.domain.com
ldap_tls_cacert = /etc/ipa/ca.crt
[sssd]
services = nss, pam, ssh
config_file_version = 2
domains = sampledomain.com
[nss]
[pam]
[sudo]
[autofs]
[ssh]

<root@xyzserver:~> # cat script.bsh
#!/bin/bash
for x in `cat serverlistfilename`; do echo $x>>outputname.txt; ssh $x "grep 'ipaserver1\|ipaserver4\|ipaserver3' /etc/sssd/sssd.conf">>output.txt
done
<root@xyzserver:~> #

<root@xyzserver:~> # cat script.bsh
#!/bin/bash
for x in `cat serverlistfilename`; do echo $x; ssh $x "grep 'ipaserver1\|ipaserver2\|ipaserver3' /etc/sssd/sssd.conf"
done
<root@xyzserver:~> #