when modifying file permissions,
accidentally used chmod-R 755 / *
results ssh can not log in after exit
when modifying file permissions,
accidentally used chmod-R 755 / *
results ssh can not log in after exit
not only can you fail to log in to SSH, but also fail to log in locally
reinstall it.
because many files have special permissions setuid and setgid are unlikely to be changed back manually. For example, you can't change your password for non-root users passwd now.
tampering with the permissions of the system directory, it is hopeless, we can only reinstall
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bash-x ...
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