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I have an Apache Tomcat running on CentOS7 server which had a file catalina.out of around 157MB in size. I was trying to download that file on my local system so I ran the tar -czf command but I accidentally ran the command in reverse direction:

tar -czf $CATALINA_HOME/logs/catalina.out catalina.out.gz

Which emptied the entire log file. I tried to restore the file but couldn't get success.

I saw the swap file so tried to restore the content like:

vim -r $CATALINA_HOME/logs/catalina.out

But this didn't work. Is there a way I can rollback the logs?

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The swap file created is hidden with swp extension, so please try using ls -a command on the location which will show the swap file.

Then vim the file using .filename and recover it.

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  • Thanks for your answer. Although, swap files are created when editing via tool like vim. But this happened from the tar command.
    – Shashank Agrawal
    May 4, 2020 at 3:57

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