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Installer lock error while installing cpanel.


Staff member
Jul 7, 2015
If you are getting an error while installing cpanel/WHM on a linux server, then first install instance is still running.
The following would be the error message:

"Beginning main installation.
The system detected an installer lock file: (/root/installer.lock)
Make certain that an installer is not already running.

You can remove this file and re-run the cPanel installation process after you are certain that another installation is not already in progress."

Solution for this issue has the answer in the error message itself, that is to remove installer.lock file and restart the cPanel/WHM installation.

rm -rf /root/installer.lock

Once this file is removed you can run the installation of cPanel once again,
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