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Why does Sudo Cat give a permission denied?
Your current shell process makes a copy of itself that first tries to open /some/file for writing, then if that succeeds it makes that file descriptor its standard output, and only if that succeeds does it execute sudo. This is failing at the first step.
Why are Sudo permissions not allowed in Linux?
This is a pretty simple question, at least it seems like it should be, about sudo permissions in Linux. There are a lot of times when I just want to append something to /etc/hosts or a similar file but end up not being able to because both > and >> are not allowed, even with root.
Why is my sudo command not working with my shell?
The issue is that it’s your shell that handles redirection; it’s trying to open the file with your permissions not those of the process you’re running under sudo. should work. The problem is that > and >> are handled by your shell, not by the “sudoed” command, so the permissions are your ones, not the ones of the user you are “sudoing” into.
How to use sudo to redirect output to a location?
The redirection of the output is not performed by sudo. There are multiple solutions: Run a shell with sudo and give the command to it by using the -c option: sudo sh -c ‘ls -hal /root/ > /root/test.out’
Why does Sudo Sudo fail in Windows 10?
It gets “permission denied” error. For the ways to fix this see @shantanu answer. (*) – while the above sequence helps to understand why the command fails, in reality things happen somewhat out-of-order: the original shell notices the redirection and tries to open the file for writing before invoking the sudo command.
Where does the sudo come before the command?
You’re doing it right, the sudo comes before the command. 1. did you make sure the user had sudo privileges in the /etc/sudoers file, and has been added to the group, wheel or sudo, (one or the other) ? Don’t forget to logout then log back in so the group changes will take effect.
What’s the problem with using sudo and redirect?
The problem with your redirection is that the file is opened by your current shell prior to invoking sudo. If you want the opening to occur in the privileged environment, you have to write the command line that way: Now it’s a privileged shell that is opening the output file. Thanks rknichols. I think you had a small typo, and this works perfect.