520
votes
Windows SSH: Permissions for 'private-key' are too open
You locate the file in Windows Explorer, right-click on it then select "Properties". Navigate to the "Security" tab and click "Advanced".
Change the owner to you, disable inheritance and delete all ...
- 10.8k
155
votes
Windows SSH: Permissions for 'private-key' are too open
Keys must only be accessible to the user they're intended for and no other account, service, or group.
GUI: [File] Properties → Security → Advanced
Owner: Change → Select a principal → Enter key's ...
- 7,388
113
votes
Delete old windows / program files from second drive?
Open a Command Prompt with administrative privileges.
Run following commands, one at a time (change "Z:\Program Files" with folder you want to delete):
takeown /F "Z:\Program Files&...
- 1,228
90
votes
How can I make chown work recursively?
chown -R someuser:somegroup /your/folder/here/*
This will apply chown to all files and all subdirectories and sub-subdirectories of the specified folder. Use with care.
- 1,001
76
votes
Accepted
Do I really need recursive chmod to restrict access to a folder?
For a directory, "read" access lets you list the contents, and "execute" access lets your traverse the directory to open one of its children (file or subdirectory). So if you remove:
just the read ...
- 9,862
72
votes
Permissions on private key in .ssh folder?
Am posting this as a separate answer since I wanted to see man page recommendations translated into permissions.
Summary based on the man page quotes (linked at the end):
Directory or File
Man Page
...
- 1,101
63
votes
If a Chrome Extension is installed but turned off, can it still spy on me?
When an extension is turned off, it is not loaded into memory, and as such can't do anything.
When you turn an extension on, it has access to your entire browser history, and if an extension wants, ...
- 59.9k
62
votes
Delete old windows / program files from second drive?
What worked for me was a simplified version of this suggestion:
Rename the Windows folder to Windows.old
Run Disk Cleanup from the Start menu
Select the drive containing the Windows.old folder
...
- 843
60
votes
Windows SSH: Permissions for 'private-key' are too open
In addition to the answer provided by ibug. Since i was using the ubuntu system inside windows to to run the ssh command. It still was not working. So i did
sudo ssh ...
and then it worked
- 741
53
votes
How to tar a directory preserving not only permissions, but ownership too
I have to compress a directory using tar.gz preserving not only permissions, but ownership/groups too.
By default, tar will preserve file permissions and ownership when creating the archive.
To ...
- 1,489
50
votes
Creating User in esxi 6.5 and assigning role
I was trying to figure this out as well and found the solution. It's a little strange assigning the user permissions, as it's in a different location from the tab where you create users and roles.
If ...
- 501
48
votes
Windows SSH: Permissions for 'private-key' are too open
I had a similar issue but I was at work and don't have the ability to change file permissions on my work computer. What you need to do is install WSL then copy the your key to the hidden ssh directory ...
- 581
47
votes
How can I make my own account a sudoers on VirtualBox?
VirtualBox is TOTALLY relevant to the question.
This can happen if you chose to have VirtualBox automatically create your first user for you when setting up Ubuntu. The first user is not added to ...
- 471
46
votes
Do I really need recursive chmod to restrict access to a folder?
It goes without saying that,
if you created a file two days ago (with a publicly readable mode),
and somebody read the file yesterday, or made a copy of it,
then there’s nothing you can do today to ...
46
votes
Accepted
Confused by "groups" and the Linux "permission model"
But I don't really get the concept of a group. From what I've gleaned a group is just a bunch of users. (But does that mean a user can belong to multiple groups?)
Yes, and yes.
A group as I ...
- 436k
41
votes
Is superuser the same as root?
Yes, as a general rule, root and superuser are the same; "root" is a/the name typically given to a user with full system privileges on a Unix type system.
It is technically possible for other users/...
- 69.6k
39
votes
Setting SSH keys on Windows 10 OpenSSH server
Note that if you are setting up keys for an administrator user, putting the public key to %USERPROFILE%/.ssh/authorized_keys will not work. You must append the public key to %PROGRAMDATA%/ssh/...
- 819
37
votes
Reload a Linux user's group assignments without logging out
Using newgrp command solved problem for me:
newgrp <GroupName>
This blog post has detailed explanation.
- 489
31
votes
Windows SSH: Permissions for 'private-key' are too open
You just need to do at least four things:
Disable inheritance
Convert inherited permissions to explicit permissions
Remove Users group
You will end up with no Users can access private files, this ...
- 464
31
votes
If I allow permissions to an application using UAC in Windows, can it hack my personal files or data?
On the contrary. The application can steal/delete/encrypt your stuff even without asking for elevated permissions (using an UAC prompt).
One MUST NOT run untrusted software, ever.
When you launch a ...
- 61.6k
30
votes
Accepted
How much can we rely on filesystem permissions for security?
Shorter answer.
If you have physical access to a computer system—PC or data storage system—and the only “protection” in place are file permissions, you have 100% no protection.
That unencrypted data ...
- 53.6k
27
votes
Accepted
How can rsync fail due to missing permissions if remote login occurs with root?
Another possible interpretation of ssh or rsync giving Permission denied, please try again.. The reasons is that the remote rsync is in an unusual location and has to be specified with --rsync-path on ...
- 2,232
27
votes
Accepted
Unable to write to /tmp directory in macOS, unable to correct permissions: “Operation not permitted”
Reboot your Mac into recovery mode
Open Utilities menu in the top bar > open Terminal
csrutil disable
Reboot
Remove the tmp folder
sudo rm -i /tmp
sudo rm -i /private/tmp
Create tmp folder
sudo ...
25
votes
Permission denied because search permissions are missing on a component of the path, after chmod and chgrp
Usually the execute permission for one path is not set, like it was in this question. The easiest way to solve this is the following command:
chmod a+rX -R /var/www
But on using CentOS7 or RHEL7 you ...
- 587
24
votes
Windows SSH: Permissions for 'private-key' are too open
use below command on your key it works on windows
icacls .\private.key /inheritance:r
icacls .\private.key /grant:r "%username%":"(R)"
- 265
24
votes
chown - Operation not permitted even as root user
exfat doesn't support file ownership. There's no place to record it in the bits being stored on the USB drive, so Linux gives you an error when you attempt to change them.
Try mounting with uid=1000,...
- 374
23
votes
Using custom fonts without administrator rights?
From Windows 10 17704 onward you'll have the ability to install fonts without admin rights
Font installation for non-admin users
Have you ever wanted to use your own fonts from your account on a ...
- 27k
22
votes
Editing/Creating files in C:\Program Files\WindowsApps
The WindowsApps folder is one of the most heavily protected folders in Windows 10. It contains all the Windows UWP apps, to which Microsoft zealously guards the access.
The protections on this folder ...
- 465k
20
votes
Is superuser the same as root?
Superuser is the generic term to refer to the user account used for system administration. That means that the superuser has the ability to perform privileged operations such as creating/deleting user ...
- 301
Only top scored, non community-wiki answers of a minimum length are eligible