Šiandieninė klausimų ir atsakymų sesija pateikiama su "SuperUser" - "Stack Exchange", bendruomenės valdoma Q & A grupių asociacija.
Nuotrauka mandagiai Nathan Meijer ("Flickr").
Klausimas
SuperUser skaitytojas Zane Woodard nori žinoti, kaip slaptažodis apsaugo aplanką "Linux / Unix" be šifravimo:
I have searched around quite a bit for either a built-in feature or program to do this, but had no luck. I want to password protect a folder, but do not want to encrypt it.
The security of the contents of the folder is not important, the password would just act as a deterrent to somebody attempting to access the contents of the folder from my computer. Think of it like a password lock on a computer, if you were to remove the hard-drive, you could easily take all the files the user had, but the password is still a deterrent to people accessing the contents of the drive.
Two main reasons for not using encryption here are:
- Decreased performance for opening files.
- Encryption prevents the contents from being indexed/searchable.
Is anybody aware of a solution?
Ar yra lengvas sprendimas, kurį Zane galėtų naudoti, kad apsaugotų savo aplanką slaptažodžiu?
Atsakymas
"SuperUser" autoriai R Schultz ir Bodo Thiesen atsakė už mus. Pirma, R Schultz:
The easiest way would be to change the permissions of the files so that they are not readable by anyone other than the owner. Once that is done, a user would have to either log in as you (which should require a password) or sudo as root (which should also require a password). To change the permissions, simply use the following command on any files you do not want others to have access to.
chmod og-rwx filename
This assumes that when you are not at your computer, your screen is locked and there is a password for your account as well as the root account.
Po to, kai atsakė Bodo Thiesenas:
Create a new user for these protected files and/or directories. Then replace $newuser with the new user account name:
- chown $newuser filename directoryname
- chmod og-rwx filename directoryname
This way, the files and directories are safe even if you do not log out and have your screen unlocked for some reason.
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