0
votes
1answer
137 views

Ping a list of IP addresses and outputing duplicates

In Linux how can I ping a list of IP addresses (in a text file) and only output those that have duplicate ping replies?
1
vote
3answers
581 views

Killing all the process of a command except first process

I am sometimes stuck in a situation where a script/command kept in Cron runs more than once because of some reasons (the first instance is not completed fully, the second instance of the same process ...
11
votes
4answers
3k views

Duplicating a Linux installation (Yum-based)

Given an installation based on Yum (specifically in my case, a Scientific Linux 5.1 x86_64 installation), how would I duplicate the installed programs and utilities to a new machine based on Fedora ...