Difference between revisions of "Bash loops"

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Line 4: Line 4:
 
  # for num in {1..5}; do ssh host-$num "shutdown"; done
 
  # for num in {1..5}; do ssh host-$num "shutdown"; done
 
  # for host in `cat hosts.txt`; do ssh $host "shutdown"; done
 
  # for host in `cat hosts.txt`; do ssh $host "shutdown"; done
 +
# while read LINE; do COMMAND $LINE; done < FILE
  
 
Executing the same command forever
 
Executing the same command forever
 
  # while true; do date +%s; done
 
  # while true; do date +%s; done

Revision as of 20:47, 14 November 2018


Executing a Do loop to repeat one command with different hosts

# for num in {1..5}; do ssh host-$num "shutdown"; done
# for host in `cat hosts.txt`; do ssh $host "shutdown"; done
# while read LINE; do COMMAND $LINE; done < FILE

Executing the same command forever

# while true; do date +%s; done