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Empty log or replace large files

Log files can easily occupy the space of a drive.

If the log files is collecting or monitoring multiple system then chances are it will grow in size very quickly.

If it the log file is in a text format, even if it comes in Giga or Tera bytes size it can be emptied very quickly in a command line.

If the log files has been analyzed or not in use anymore, then it is a good candidate to get rid of it rather than occupy the space of a drive for nothing.

To empty a log file or a text file:

In Windows open command prompt and type:

echo "First Line" > Packets_2018.log

The log file will be replace with the word "First Line" and only a few bytes in size. Whatever was the content before on that log file is ditch away. So, be careful in emptying a file it's not reversible,

In Linux open Terminal and type:

echo "Line 1" > Packet_logstash.log

Till next time..Cheers!

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