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Full Discussion: Scripting issue
Top Forums Shell Programming and Scripting Scripting issue Post 303005305 by arun_adm on Tuesday 17th of October 2017 03:23:57 AM
Old 10-17-2017
Scripting issue

Hi Experts,

I'm stuck with a single liner bash script. Need your help to fix it.

Let me brief you that what is my expectations from this script.

I need the interfaces configured for a list of servers, their respective IP address and FQDN in a output file. The output should be in the same line.

Here is the script which I'm running it from a jump server having ssh access with pasword.

Code:
for i in `cat server-list.txt`;do echo "+++++++++ $i +++++++++";ssh -q $i 'paste <(/sbin/ifconfig -a|egrep -i "eth|bond"|awk '{print $1}') <(/sbin/ifconfig -a|egrep "inet addr"|grep -v "127.0.0.1"|awk '{print $2}'|cut -d ':' -f 2) <(/sbin/ifconfig -a|egrep "inet addr"|grep -v "127.0.0.1"|awk '{print $2}'|cut -d ':' -f 2|xargs -n1 nslookup | grep -v nameserver | cut -f 2 | grep name | cut -f 2 -d "=" | sed 's/ //')';echo "========================="; done > output.txt


Output should look like this -


Code:
+++++++++ name of server1 +++++++++
eth1 <ip-of-eth1> <fqdn>
eth3 <ip-of-eth3> <fqdn>
eth4 <ip-of-eth4> <fqdn>
=========================
+++++++++ name of server2 +++++++++
eth1 <ip-of-eth1> <fqdn>
eth3 <ip-of-eth3> <fqdn>
eth4 <ip-of-eth4> <fqdn>
=========================
+++++++++ name of server3 +++++++++
eth1 <ip-of-eth1> <fqdn>
eth2 <ip-of-eth2> <fqdn>
=========================


When I execute it, it gives "paste: /dev/fd/63" No such file or directory".

It is not mandatory to use paste command, anything will work which can put the interface (eth0, ethx, bondx etc) ip address:wall and fqdn of that ip in the same line with a space or tab between them.

Thanks in Advance.

SmilieSmilieSmilie

Last edited by Scott; 10-17-2017 at 05:29 AM.. Reason: Please use code tags - and it would be nice if you could format your code so it's readable! Thanks.
 

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WICD-WIRED-SETTINGS.CONF(5)					File Formats Manual				       WICD-WIRED-SETTINGS.CONF(5)

NAME
wicd-wired-settings.conf - controls Wicd's wired network settings DESCRIPTION
This file contains configuration information for wired interfaces in Wicd. This file is located at /etc/wicd/wired-settings.conf SETTINGS
default = <0|1> This option decides whether to use this profile as the default. 0 = do not use this profile as default. 1 = use this profile as default. beforescript = <None|arbitrary_script> This defines a script to run before Wicd brings up the connection. The script should be a Bourne-compatible script and should be executable. IMPORTANT - scripts should ONLY be writable by root and located in a directory that is only writable by root. afterscript = <None|arbitrary_script> This defines a script to run after Wicd brings up the connection. The script should be a Bourne-compatible script and should be executable. IMPORTANT - scripts should ONLY be writable by root and located in a directory that is only writable by root. predisconnectscript = <None|arbitrary_script> This defines a script to run before Wicd disconnects the interface. The script should be a Bourne-compatible script and should be executable. postdisconnectscript = <None|arbitrary_script> This defines a script to run after Wicd disconnects the interface. The script should be a Bourne-compatible script and should be executable. IMPORTANT - scripts should ONLY be writable by root and located in a directory that is only writable by root. ip = <None|ip_address> Use this option if you have a static ip address for your system. netmask = <None|networkmask> This setting is only appropriate if a static ip address is configured above. broadcast = <None|broadcast_address> This setting is only appropriate if a static ip address is configured above. gateway = <None|gateway_address> This setting is only appropriate if a static ip address is configured above. use_static_dns = <True|False> True = use static DNS servers instead of accepting what the dhcp server supplies. use_global_dns = <True|False> True = use the global DNS servers provided in wicd-manager-settings.conf(5). This option is only appropriate if "use_static_dns = True" dns1 = <None|ip_address> Static DNS address if "use_static_dns = True" and "use_global_dns = False" dns2 = <None|ip_address> Static DNS address if "use_static_dns = True" and "use_global_dns = False" dns3 = <None|ip_address> Static DNS address if "use_static_dns = True" and "use_global_dns = False" SEE ALSO
wicd(8), wicd-curses(8), wicd-manager-settings.conf(5), wicd-wireless-settings.conf(5). wicd-1.7.2.4 WICD-WIRED-SETTINGS.CONF(5)
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