9
votes
7answers
2k views

Emptying a file for root user does not work [duplicate]

I use below command to empty a file > file.txt It works perfectly fine! But there are some files with root user permissions. So I tried sudo > different-file.txt and I got below verbose ...
3
votes
2answers
8k views

How to insert text into a root-owned file using sudo? [duplicate]

Possible Duplicate: Redirecting stdout to a file you don't have write permission on Running a command like sudo echo 'text' >> /file.txt fails with: bash: /file.txt: Permission ...
10
votes
1answer
6k views

Why can't sudo redirect stdout to /etc/file, but sudo 'nano' or 'cp' can? [duplicate]

Why does redirection, using sudo give me an error for the following commands? $ sudo printf "foo" >/etc/file bash: /etc/file: Permission denied $ sudo printf "foo" ~/file; cat ~file >/etc/...
9
votes
2answers
1k views

How do I append text to a write protected file [duplicate]

Possible Duplicate: Redirecting stdout to a file you don't have write permission on I am trying to append a line of text to a write protected file. I tried to accomplish this with sudo ...
4
votes
4answers
987 views

where should I put the sudo in this command? [duplicate]

Possible Duplicate: Redirecting stdout to a file you don't have write permission on echo "some words" >> /etc/apt/source.list permission denied sudo echo "some words" >> /...
4
votes
3answers
2k views

How do I use redirection with sudo [duplicate]

Possible Duplicate: Redirecting stdout to a file you don't have write permission on Yeah I could (and probably will) just escalate to root, but I'd like to know why this doesn't work? ...
2
votes
1answer
642 views

Why can I copy files to, but not create files in, this directory? [duplicate]

Possible Duplicate: Redirecting stdout to a file you don't have write permission on I'm trying to create an md5sum for an ISO image created with the Ubuntu Customization Kit tools. The ...
1
vote
1answer
3k views

Why do I get “Permission denied” when redirecting the output of sudo echo “xyz” to a file? [duplicate]

Why do I get -bash: test: Permission denied when I run sudo echo "xyz" > test The directory permissions are: drwxr-xr-x 3 root root 4096 2014-08-05 16:26 I have no problem creating a ...
3
votes
2answers
2k views

insert text in a file using echo command [duplicate]

I am trying to insert some text in a file in the following way sudo echo "abc-abc/abc/abc" >> /etc/portage/make.conf but it give me the error Permission denied although I am using sudo ...
1
vote
3answers
4k views

permission denied when redirecting sudo sed output [duplicate]

Possible Duplicate: Redirecting stdout to a file you don't have write permission on I'm trying to install drupal according to the instructions given in this tutorial: http://how-to....
1
vote
3answers
206 views

How come root can do this, but sudo can't? [duplicate]

I am set up as a sudoer on my Debian machine, and I use it all the time to install software etc... I came across this interesting situation that I am scratching my head about: I tried to enable the ...
2
votes
1answer
1k views

Can't edit /proc/sys/net/core/wmem_max [duplicate]

Recently my wireless network has being stopping to transfer data from some irregular time intervals that vary from 30 seconds to 20 minutes, and every time I need to plug off and then on the wireless ...
0
votes
1answer
912 views

Script with root permission [duplicate]

Possible Duplicate: Redirecting stdout to a file you don't have write permission on I am creating a script to change the brightness of my laptop. I discovered that I can do this using ...
0
votes
2answers
657 views

Why can't I change the hostname of my server using sudo? [duplicate]

From a user that is part of the sudoers group, I can normally run any command by doing sudo <command> But the following command fails stating "Permission denied" sudo echo "myhostname" > /...
0
votes
1answer
591 views

sudo here-document / concatenation? [duplicate]

Possible Duplicate: Redirecting stdout to a file you don't have write permission on I'm new i'm trying to learn shell scripting. Is there a way to force a concatenation and override the ...

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