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View password change logs in Linux

Last updated on:  2020-10-23

Authored by:  James Andrade


Logs are a valuable asset when troubleshooting servers and checking for root password changes. Password changes are logged in the following files:

For Ubuntu®/Debian® systems:

/var/log/auth.log

For CentOS®/RHEL® systems:

/var/log/secure

To check for root password changes, look for lines that mention either of the following messages:

password changed for root
Password for root was changed

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