LKBEN11010: Howto clear the bash history


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LKB | Created: 02/04/2020 | Version: 0 | Language: EN | Rating: 0 | Outdated: False | Marked for deletion: False

Author: Wim Peeters - Keskon GmbH & Co. KG


Symptom

You need to clear the history of your bash shell

Cause

You can do this for security reasons

Solution

You can type the following command to clear your bash history:

>~/.bash_history

Please note the > sign which is not the prompt but the pipe into! It means you pipe nothing into your home drive followed by the file .bash_history. The same command, if your home drive is /home/lubby, can be written like:

>/home/lubby/.bash_history

You can also use this technique to reset log files

>/var/log/logile

This will keep all the permissions on logfile and will empty it.

You can also link ~/.bash_history to /dev/null by the following command:

ln -sf ~/.bash_history /dev/null

About the Author

Wim Peeters is electronics engineer with an additional master in IT and over 30 years of experience including time spent in support, development, consulting, training and database administration. Wim has worked with SQL Server since version 6.5. He has developed in C/C++, Java and C# on Windows and Linux in different European countries and different European languages. He writes knowledge base articles to solve IT problems and publishes them on the Lubby Knowledge Platform where he is one of the most important contributors and the main developer.

Disclaimer:

The information provided in this document is intended for your information only. Lubby makes no claims to the validity of this information. Use of this information is at own risk!