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This problem happens, when I download MacOS installer and do not need it anymore (e.g. when it is used to create USB Installer only). With enabled firmware password, this file is simply unremovable.
Other questions mentioned solution with disabling csrutil, but this is both complicated and dangerous (you might forget to switch it back).
For me it was sufficient to move the file from Trash to /tmp/ and reboot.
Earlier Mac models
Thanks, it took me virtually years to realize that the solution is already there. Nice example of how UNIX knowledge helps understanding today's operating systems.
Thanks, it took me virtually years to realize that the solution is already there. Nice example of how UNIX knowledge helps understanding today's operating systems.
Normally, you should take following steps to disable System Integrity Protection (SIP), empty the trash after boot and don't forget to re-enable SIP afterwards to keep your Mac secure:
Disabling and Enabling System Integrity Protection | Apple Developer Documentation
Good work, thanks for the strange tip! :)
Can't move the files. It makes a copy. The copy can be "emptied".
Can I delete the InstallESD.dmg file?
