Truncate a file or Log
To trancate a log file which is used by a continuous process is simple:):
:>logfile
:>logfile
Wrong Command : May Loss all
Alas! Today I loss almost all the data in /var/. I wanted to move a folder from /var/www/cron-script to /var/ Unintentionally I gave the command rm instead of mv . Then I lost all of my webserver content in a second. Fortunately I had a backup of 10 days ago. That save me to loss all. So friends be careful! Now I need to reinstall the OS(I use Ubuntu) again. Just 3 days before Ubuntu relese a new version 10.10 on the Binary day 10.10.10. So now I am downloading that version. Thanks Abser
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