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/...
3
votes
1answer
693 views

Redirecting output in the shell, permissions

I have a question about permissions. Distro: Debian GNU/Linux 6.0.4 (squeeze) So I have a folder with a php script in it. Both folder and file are owned by User1 If I do this: php script.php I ...
3
votes
1answer
2k views

Ubuntu 11.04 and large external drives

I have a Hitachi USB external 3 terabyte drive attached to a Dell Precision T1500. When connected to the computer running Ubuntu 11.04 (2.6.38-11-generic #50-Ubuntu SMP Mon Sep 12 21:17:25 UTC 2011 ...
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 ...
2
votes
1answer
641 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
38 views

i3wm amixer controls from i3status

I can run bindsym button4 exec amixer -D pulse sset Master 5%+ and bindsym button5 exec amixer -D pulse sset Master 5%- to adjust the volume from a terminal session. However when I add the commands to ...
1
vote
1answer
53 views

Not getting the desired output for echo command [duplicate]

Below is my script. #!/bin/bash SERVERS="sl20rht00-t" #SERVERS="shcbrht01-t" USR="adm-dt-c" for host in $SERVERS do ssh -tt $USR@$host 'sudo cp /etc/sudoers /Backups/sudoers_11thmarch2015; sudo cp /...
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 ...
0
votes
1answer
106 views

Write a file in /var/lib/sysnews/ [duplicate]

In that folder are stored the news files: they can be created by the system administrator to write some informations for the users, as suggested in this link. I tried as a normal user to add a file ...
0
votes
1answer
909 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
1answer
590 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 ...
-1
votes
1answer
38 views

Why is `sudo cat /tmp/1 > file` wrong? [duplicate]

I do sudo cat /tmp/1 > /etc/udev/rules.d/69-libmtp.rules but I get bash: /etc/udev/rules.d/69-libmtp.rules: Permission denied System: Ubuntu 16.04 Linux kernel: 4.6
-1
votes
1answer
138 views

sudo issue during echo something to a root file [duplicate]

I have a problem, during write something into a root file: $ ll /sys/bus/usb/devices/3-2/power/wakeup -rw-r--r-- 1 root root 4096 Feb 16 17:28 /sys/bus/usb/devices/3-2/power/wakeup $ sudo echo ...
0
votes
0answers
22 views

How can I run a command as root user on Ubuntu? [duplicate]

It seems Ubuntu has disabled the root user account so su doesnt work which is causing me an issue where I have an apache log file that is owned by root $ls -al error.log -rw-r----- 1 root adm 2061050 ...
0
votes
0answers
52 views

Root user can't do everything? [duplicate]

Possible Duplicate: Redirecting stdout to a file you don’t have write permission on I'm quite new to Linux and I have a permissions questions. I'm using Linux Mint. If I go to /opt and do a $ ...

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