Problem running sudo command in script

Hello,
I try to run this script.
#!/bin/bash
sudo /bin/cat /dev/input/event1 >> /home/tom/.log/log.bin &
The sudoers entry
%users ALL= NOPASSWD: /bin/cat /dev/input/event1 >> /home/tom/.log/log.bin
I get the following error!
$ Passwort: sudo: pam_authenticate: Kommunikationsfehler
Kommunikationsfehler = eng: communication error
What's wrong with that?
Thank you!
clementis

Sorry, for being not precise.
I created the alias in .bashrc in my $home directory. In sudoers all users are allowed to key in this command without a passwort entry.
I know how to autostart in xfce and so created an autostart entry but unfortunatly it doesn't work for my "special" command.
What I did:
1. I wrote a script (first post) and tried to autostart it in xfce. For that command I created an entry in sudoers in order to avoid enter root passwort. The script didn't start.
Then...
2. I created an autostart entry (deleted the first one - see point 1) and entered the whole command (cat .../event1 >> $home...) in the xfce autostart input window. The idea was to run the command directly and not through a script. But it didn't work.
Therefore I tried to run alter the command to "bash cat .../event1 >> $home ...." Didn't work either.
3. I also deleted the autostart entry no 2. and created the alias in .bashrc in my home directory. Now created a new autostart entry trying to start the alias. Didn't work.
I also tried to set the Terminal option in the file $home/.config/autostart/log.desktop to "true".
So it looked like this:
[Desktop Entry]
Encoding=UTF-8
Version=0.9.4
Type=Application
Name=log
Comment=event1
Exec= sudo cat /dev/input/event1 >> /home/tom/.cblog/log.bin &
StartupNotify=false
Terminal=true
Hidden=false
The alias for example works well if I enter it in xterm.
So, I don't know why it isn't working! :-(
Thank you for any help
Clementis

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[SOLVED] Running sudo command to be executed on dmenu

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I'm a little confused by this one, but I'm not convinced that it's a bug.. yet.
Long story short, I compile packages using the ABS via a script/wrapper which uses devtools. The script is available here: https://github.com/WorMzy/compilepackage
Now, this script is far from perfect, but has worked perfectly well (in various states of completeness) for the past year or so. However, with the recent update of devtools (20120720-1 => 20121013-1), my script fails to execute correctly. After entering the password when prompted (by sudo, at this line: https://github.com/WorMzy/compilepackag … tions#L107), the script terminates unexpectedly.
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build@sakura[pts/10]:~/builds/devtools$ . ~/.scripts/compilepackage arch-install-scripts
==> Downloading sources
==> arch-install-scripts directory already exist. Replace ? [Y/n]
==> Download arch-install-scripts sources
receiving file list ... done
sent 28 bytes received 70 bytes 39.20 bytes/sec
total size is 656 speedup is 6.69
:: Synchronizing package databases...
core is up to date
extra is up to date
community is up to date
:: Starting full system upgrade...
there is nothing to do
==> Building in chroot for [extra] (x86_64)...
==> Creating clean working copy...done
==> Making package: arch-install-scripts 8-1 (Fri Oct 19 23:45:52 BST 2012)
==> Checking runtime dependencies...
==> Checking buildtime dependencies...
==> Retrieving Sources...
-> Found arch-install-scripts-8.tar.gz
-> Found arch-install-scripts-8.tar.gz.sig
==> Validating source files with md5sums...
arch-install-scripts-8.tar.gz ... Passed
arch-install-scripts-8.tar.gz.sig ... Passed
==> Verifying source file signatures with gpg...
arch-install-scripts-8.tar.gz ... FAILED (unknown public key 1EB2638FF56C0C53)
==> WARNING: Warnings have occurred while verifying the signatures.
Please make sure you really trust them.
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-> Extracting arch-install-scripts-8.tar.gz with bsdtar
==> Starting build()...
make: Entering directory `/build/src/arch-install-scripts-8'
GEN arch-chroot
GEN genfstab
GEN pacstrap
make: Leaving directory `/build/src/arch-install-scripts-8'
==> Entering fakeroot environment...
==> Starting package()...
make: Entering directory `/build/src/arch-install-scripts-8'
install -dm755 /build/pkg/usr/bin
install -m755 arch-chroot genfstab pacstrap /build/pkg/usr/bin
install -Dm644 zsh-completion /build/pkg/usr/share/zsh/site-functions/_archinstallscripts
make: Leaving directory `/build/src/arch-install-scripts-8'
==> Tidying install...
-> Purging unwanted files...
-> Compressing man and info pages...
-> Stripping unneeded symbols from binaries and libraries...
==> Creating package...
-> Generating .PKGINFO file...
-> Compressing package...
==> Leaving fakeroot environment.
==> Finished making: arch-install-scripts 8-1 (Fri Oct 19 23:45:54 BST 2012)
==> Installing package arch-install-scripts with pacman -U...
loading packages...
resolving dependencies...
looking for inter-conflicts...
Targets (1): arch-install-scripts-8-1
Total Installed Size: 0.03 MiB
Proceed with installation? [Y/n]
(1/1) checking package integrity [######################################################################] 100%
(1/1) loading package files [######################################################################] 100%
(1/1) checking for file conflicts [######################################################################] 100%
(1/1) installing arch-install-scripts [######################################################################] 100%
resolving dependencies...
looking for inter-conflicts...
Targets (5): elfutils-0.155-1 pyalpm-0.5.3-2 python-3.3.0-1 python-pyelftools-0.20-2 namcap-3.2.4-2
Total Installed Size: 99.58 MiB
Proceed with installation? [Y/n]
(5/5) checking package integrity [######################################################################] 100%
(5/5) loading package files [######################################################################] 100%
(5/5) checking for file conflicts [######################################################################] 100%
(1/5) installing python [######################################################################] 100%
Optional dependencies for python
tk: for tkinter
sqlite
(2/5) installing pyalpm [######################################################################] 100%
(3/5) installing elfutils [######################################################################] 100%
(4/5) installing python-pyelftools [######################################################################] 100%
(5/5) installing namcap [######################################################################] 100%
Checking PKGBUILD
Checking arch-install-scripts-8-1-any.pkg.tar.xz
arch-install-scripts W: Dependency bash included but already satisfied
arch-install-scripts W: Dependency included and not needed ('coreutils')
arch-install-scripts W: Dependency included and not needed ('pacman')
arch-install-scripts W: Dependency included and not needed ('util-linux')
==> Compilation complete, installing...
Password:
loading packages...
warning: arch-install-scripts-8-1 is up to date -- reinstalling
resolving dependencies...
looking for inter-conflicts...
Targets (1): arch-install-scripts-8-1
Total Installed Size: 0.03 MiB
Net Upgrade Size: 0.00 MiB
Proceed with installation? [Y/n] % build@sakura[pts/10]:~/builds/arch-install-scripts$
That "%" is inverted, just like what you get when you run
echo -n "text"
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## sudoers file.
## This file MUST be edited with the 'visudo' command as root.
## Failure to use 'visudo' may result in syntax or file permission errors
## that prevent sudo from running.
## See the sudoers man page for the details on how to write a sudoers file.
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## Groups of machines. These may include host names (optionally with wildcards),
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# Host_Alias WEBSERVERS = www1, www2, www3
## User alias specification
## Groups of users. These may consist of user names, uids, Unix groups,
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# Cmnd_Alias PROCESSES = /usr/bin/nice, /bin/kill, /usr/bin/renice, \
# /usr/bin/pkill, /usr/bin/top
## Defaults specification
## You may wish to keep some of the following environment variables
## when running commands via sudo.
## Locale settings
# Defaults env_keep += "LANG LANGUAGE LINGUAS LC_* _XKB_CHARSET"
## Run X applications through sudo; HOME is used to find the
## .Xauthority file. Note that other programs use HOME to find
## configuration files and this may lead to privilege escalation!
# Defaults env_keep += "HOME"
## X11 resource path settings
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## Desktop path settings
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## Allow sudo-run commands to inherit the callers' ConsoleKit session
# Defaults env_keep += "XDG_SESSION_COOKIE"
## Uncomment to enable special input methods. Care should be taken as
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# Defaults env_keep += "XMODIFIERS GTK_IM_MODULE QT_IM_MODULE QT_IM_SWITCHER"
## Uncomment to enable logging of a command's output, except for
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# Defaults log_output
# Defaults!/usr/bin/sudoreplay !log_output
# Defaults!/usr/local/bin/sudoreplay !log_output
# Defaults!/sbin/reboot !log_output
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## User privilege specification
root ALL=(ALL) ALL
build sakura=/usr/bin/pacman-color -U *,/usr/bin/pacman-color -Sy,/usr/bin/pacman-color -Syy
build sakura=/usr/bin/pacman -U *
build sakura=NOPASSWD: /usr/bin/extra-x86_64-build,/usr/bin/multilib-build,/usr/sbin/makechrootpkg
## Uncomment to allow members of group wheel to execute any command
%wheel sakura=(ALL) ALL
## Same thing without a password
#%wheel ALL=(ALL) NOPASSWD: /sbin/sdshutdown, /sbin/sdreboot
## Uncomment to allow members of group sudo to execute any command
# %sudo ALL=(ALL) ALL
## Uncomment to allow any user to run sudo if they know the password
## of the user they are running the command as (root by default).
# Defaults targetpw # Ask for the password of the target user
# ALL ALL=(ALL) ALL # WARNING: only use this together with 'Defaults targetpw'
## Read drop-in files from /etc/sudoers.d
## (the '#' here does not indicate a comment)
#includedir /etc/sudoers.d
Further information will be provided on request. Suggestions for improving the script will also be appreciated.
Thanks.

Update: It appears that the cause is systemd's nspawn. Disabling it in mkarchroot (have_nspawn=0) resolves the problem.
However, I don't understand why it's causing this behaviour. User input works fine for the sudo password prompt, but then fails for the pacman user prompt? Do they use different input buffers or something? Does that question even make sense?
Anyway, I'll open a bug report on flyspray and upstream about this when I get the chance.

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So I created a simple bash script to run on login.....
one of the commands is the following:
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One thing I haven't learned in my years of Unix is how do you get a bash script to run a sudo command without having to enter a password? I know this is trival, but just a quick 'this is how you do it' would be cool.
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Hey Everyone
I have sensitive information on my computer, quite paranoid and would love to have a one click script to run sudo rm -rf in terminal.
I'm quite new to scripts and all that, can someone please explain how to do this as a noob?
would love if I didn't need to enter the password to authorise the wipe.
also is there anything more effective as sudo rm -rf?
and can sudo rm -rf be undone? like can some traces be brought back from the drive if your like a super pro at hard drive data recovery?

Welcome to Apple Support Communities
That's not the way to delete everything from the hard drive, because your files can still be recoverable after running that command with special apps.
Instead, if you want to make sure that your data cannot be recovered, start up in OS X Recovery (hold Command and R keys while your Mac is starting up), open Disk Utility and erase your OS X partition by choosing one of the security options you can use to erase your files. See > http://pondini.org/OSX/DU2.html
A better option would be to put that sensitive data onto an encrypted external drive

Sudo command hangs when run as winbind user

Hi,
It even hangs when running:
$ sudo
or
$sudo -V
So nothing to do with my sudo config - have reverted /etc/sudoers back to default. Even control-c does not work and the process needs to be killed as root, using another session.
The command works fine when ran as a local user. It is only when running as a winbind user that there's a problem.
Any help on what tools can be used to find out what's happening while the command is hanging would be much appreciated. Or even better any ideas on how to stop it hanging would be even better!
Can provide any config files if they help anyone.......
Many Thanks,
Richard

*** UPDATE ***
It seems the version of sudo (v1.8*) supplied with Solaris 11 is not compatible with Winbind users.
Workaround:
Compile version 1.7* to /usr/local/bin and add this to the beginning of $PATH

Problem running sudo command in script

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