Debian Configuration :: User Cannot Shutdown While Root Is Logged In
Jun 29, 2011
on my netbook I've tried to make possible for my user to shutdown without needing a password. battery could run low when I'm not in front of it. Editing sudoers has allowed my user to shutdown the system, but Gnome still prompts me for the root password whenever root is logged in too. That's usually the case, because to avoid entering the root password multiple times whenever I need elevated privileges and not wanting to cache the root password, I keep a Root Terminal always open.
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Oct 2, 2009
I am using Fedora 10 .Generally to update I open a virtual console by pressing Ctrl-Alt-F2,login as root and give the "yum update" command.Then I continue using my graphical terminal for other tasks from the 'non-root' account..Now my room-mate comes uses my 'non-root' account to browse web for few minutes and then opens a terminal types "halt", ENTER and viola...! My root account seems to be insulted by a 'non-root' user!.When I am doing updates or other important work as root any silly user can just 'halt' my computer. Can somebody tell me how to set up my computer so that when root is logged in no other user can simply halt the computer.
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Jan 31, 2010
some days back i have installed VLC player. It is working fine when logged in as any other user than root user but not when logged in as root user.
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Dec 30, 2010
If there is a simple way to prevent accidental shutdown when the following situation occurs:
Sometimes, I log in on my father's computer to run some administrations' tasks (updates...). For that, I use SSH since I'm frequently far from my parents and what I want is to prevent a shutdown run by my father. Of course, he should be able to turn off by himself if nobody else is connected.
Molly-Guard allows to prevent distant shutdown, my request is a kind of complementary software.
Does anyone know a project which could fit with this request? Do you have simple ideas to write a short code I know bash, perl, python...
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May 7, 2015
I'm using Debian Jessie Cinnamon right now. I've got 1 user account on my machine--fred--as well as root, of course. "fred" is an administrator, and many times that is enough for root priviledges, for example, I can install packages via apt or dpkg. However, I cannot access "Users and Groups", or install packages via GDebi, with my password. For that, I have to have the root password.
I know that it is possible to let the admin account handle everything and not even need root--for example, Mint and (I believe) Ubuntu do it this way. I don't know how, though.
Code: Select allgroups fred
fred : fred cdrom floppy sudo audio dip video plugdev netdev lpadmin scanner bluetooth
I did disable the root account by Code: Select allsudo passwd -l root to see if it would make any change. Nothing different happened except that I now can't use GDebi or access "Users and Groups" since the root account and therefore password is inactivated. Not a big deal to get it back, though.
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Apr 12, 2016
I have lost my password for my root and for my user account.
Code: Select alluser@debian:~$ su
Password:
su: Authentication failure
user@debian:~$ su
Password:
su: Authentication failure
user@debian:~$ su
I have just installed a gust debian 8 on debian 8 host in virtualbox, and when i wonted too login as su/root on the host there where no login possible, is there a way to regain the root password for the host?
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Oct 13, 2010
I have a very strange problem.ometimes, yes sometimes not all the time, I get a Destination Host Unreachable when I ping a computer on my network. If I switch to root using su I can ping that same computer. Here is a screen shot:
joseph@laptop:~$ ping 192.168.1.14
PING 192.168.1.14 (192.168.1.14) 56(84) bytes of data.
From 192.168.1.9 icmp_seq=2 Destination Host Unreachable
[code]...
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Mar 28, 2011
I upgraded a Guruplug Display machine running Lenny to Squeeze. It's running Linux on a MicroSD device, running an ARM-cpu.
# uname -a
Linux gplugD 2.6.29 #1 Wed Feb 16 17:59:04 IST 2011 armv5tejl GNU/Linux
yeri@gplugD ~ $ cat /etc/debian_version
6.0.1
However, after rebooting, every non root user was unable to access anything related to the net.This means, DHCP failed to auto start, ntp is giving errors, etc
# ntpq -p
localhost: timed out, nothing received
***Request timed out
daemon.log:
Mar 27 06:07:44 localhost ntpd[1478]: ./../lib/isc/unix/ifiter_ioctl.c:348: unexpected error:
Mar 27 06:07:44 localhost ntpd[1478]: making interface scan socket: Permission denied
Mar 27 06:07:44 localhost ntpd[1478]: Too many errors. Shutting up.
As root:
gplugD ~ # ping 85.12.6.171 -c 1
PING 85.12.6.171 (85.12.6.171) 56(84) bytes of data.
64 bytes from 85.12.6.171: icmp_req=1 ttl=58 time=42.1 ms
[code]....
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May 2, 2011
Just for some testing on a test non-productive machine, how to allow Gnome login by root user on squeeze?
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Jul 26, 2011
I tried to send mail from my debian system commandline as root user But i did not get the mail in the destination email inbox No errors was shown
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Aug 25, 2011
I am using debian squeeze server with asterisk 1.6 installed and configured.my problem is non root users need to access the server using ssh and restart asterisk server after making changes in asterisk configuration files.As of now i am giving root username/password for this process (i know it is not at all a good idea) .now how can i create a username and configure it which can only access and modify asterisk configuration files and restart asterisk server without any other privileges.
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Apr 1, 2010
It seems little weird that I can shutdown my system (as non root user) from GUI but now from command line. I understand this may have to do with old unix tradition. I am now writing a script to shutdown systems after a certain period of inactivity. How do i shutdown system as non root users and without using sudo? Also the shutdown option in GUI must be calling a command line internally. Which is that option? Can I use that to shutdown system as non root user?
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Jun 5, 2010
What if I want to install Slackware for my parents so then I no longer have to get rid of virus and malware for them. Is there way so they never have to log on as root? Any way to access CD's and to shutdown computer? I only know how to do those things as root.
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Mar 10, 2011
I can use the accents (tilde, acute, ...) normally when I am the root, but when I log into my user account they re not recognized in most applications (opera, emacs, amsn, python idle,...) although they work in other applications (terminal, vim, iceweasel...). I guess that would have a simple solution. Something is right in the root account and wrong in my user account, but I cant figure it out. My layout is USA International (with dead keys).
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Jun 13, 2010
I was trying to make shutdown without root user using visudoI tried the following still it did not work for mehawk ALL=NOPASSWD:/sbin/shutdown -h now
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Jan 23, 2011
But I've gotten as far as getting davfs to work on RH Linux. However, on SuSE I'm logged in as root, but when I issue the mount command I'm getting "user davfs2 does not exist". (I was getting "group davfs2 does not exist", so I created the group (groupadd davfs2) then added the user davfs2 to the new group by following the instructions at The Nerdrium : Linux : Creating Groups.
The command I'm issuing is: mount -t davfs http://.....
I get challenged for credentials, but after I enter them I get the "user davfs2 does not exist" message.
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Jan 5, 2010
I have a Red Hat 4 server with Sungard Luminis installed on it. I was following some instructions on setting up Luminis to start at boot. One of the steps was modifying the sudoers file. Since modifying the sudores file, I am no longer able to "su" to root when logged in as a normal user. When doing so, I get su: incorrect password after putting in the password. I have another server with the exact same setup, broken one is test, the other is production, that works just fine. I made no changes to my production server. I've been looking at different things all day and the only difference I have found between the two are the results I get from running rpm -q --verify coreutils. Running that on my prodution server returns nothing. Results from my test server are below. Is this what is causing my problems? If so, what's the fix? I haven't found that yet. I've checked /etc/pam.d/su, both servers are the same.
rpm -q --verify coreutils
.....UG.. /bin/basename
.....UG.. /bin/cat
.....UG.. /bin/chgrp
[Code].....
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Jul 12, 2010
How can I (as admin) find out when a certain user e.g. "karl" most recently logged in and most recently logged out of a system?
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Aug 9, 2010
Kernel: Linux 2.6.26-2-686 (i686)
Compiled: #1 SMP Thu Nov 25 01:53:57 UTC 2010
C Library: GNU C Library version 2.7 (stable)
Distribution: Debian GNU/Linux 5.0.8
Desktop Environment: GNOME 2.20
Gnome comes with Vino Remote Desktop as part of it's package. I want Vino to run at boot so that I can login remotely. I am using VNC-4.1.3 for remote viewing. However, I can only view remotely once I have logged-in locally.
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Apr 15, 2010
I have done these steps. still its not working.
1. Log in as the root user.
2. I have created a file with name "reminder" in /root directory.
3. Create a /etc/cron.daily directory. Add a file called "taxrem", which reads a text file from home directory, so write a command in the "taxrem" : "cat ~/reminder"
4. Add command to /etc/crontab file. Based on the conditions I want, such as : 5 13 * * * root run-parts /etc/cron.daily
There is no entry in the cron.deny file. Still I have not get any response on that scheduled time.
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Apr 6, 2010
I installed a few media servers to stream something to my PS3 over the weekend, but now when trying to shutdown the computer, I'm asked to authenticate with a password since other users are still logged in. I installed quite a few programs over the weekend trying to get it to work, so I can't remove a specific one. Is there a way to see which daemons are logged in under a different session? Found it. It turned out to be mythtv.
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Aug 19, 2011
I search many hours on the web for wipe my ram in a secure way and i find nothing good/secure/work exept URL... and i think it's the best solution for wipe RAM at shutdown!Im a newbie user and i want to implement this solution on my debian system at shutdown, i think its very easy because TAILS is based on debian! Does someone can put the procedures for get that on a debian box please?
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Apr 21, 2011
When I'm logged into my account, I can't shut down the computer if someone else is also logged in unless I supply the root password. However, if I log out, I can shut down from GDM without being challenged, even though another person is logged in, which could cause problems if that person is in the middle of some work. Is there a way to password-protect the gdm shutdown function if people are logged in?
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May 23, 2010
When I click logout or shut down I get a countdown saying I will be logged out or shut down in 60 seconds, then it counts down. I can click the "shut down now" button, but I find this behavior incredibly irritating. When I click logout I would like to logout NOW.
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Jul 10, 2010
Without being paranoiac, it seems possible to keep the memory content for some minutes after shutdown and dump it accessing directly to the hardware.So how to fill the memory with constant or random pattern before halting? Is there a kernel option that I can give at boot time , or an other tool I can install from Debian/Ubuntu to achieve this ?
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Jul 13, 2011
I have looked all over the place but I can't find if this is possible. I am running Debian 6 as a media server (SMB) and it is tied to a UPS, I used gnome power management to set up a low battery shutdown but this UPS also is powering another embedded computer. So, I was wondering if it was possible to have a script run (to log in and shut down the embedded system) before gnome power management shuts down the Debian server. I know I could probably get it to run on every shutdown, but I am looking for low power only.
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Oct 2, 2010
On a Fedora Core box, I have a normal non-privileged user and I also have sole access to the root account. Because I am the only administrator of this box, I frequently su over to root for administrative tasks. The problem is that many of the user configuration I've become accustomed to are only configured on my day-to-day account (.vimrc, .bashrc, .screenrc, etc). Other than giving my day-to-day user account privileges to perform administration tasks, how would I go about sharing configuration between these two accounts?
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Nov 15, 2015
I've been using linux for a few months. Recently I have installed debian jessie and I'm learning how to secure my laptop. I have installed
Code: Select allapt-get install sysv-rc-conf
to shutdown few services that I believe I don't need at boot which I found very useful. Among others I have deselected avahi-daemon, cups, cups-browsed, etc. The problem is that, after rebooting, when running:
Code: Select allnetstat -lntup
I still find 'avahi-daemon: r' and 'cupsd' running. I have tried
Code: Select allsystemctl stop cups
systemctl disable cups
systemctl stop avahi-daemon
systemctl disable avahi-daemon
But after rebooting these services are aklways running. I do not know whta to do.
Output of netstat -lntup
Code: Select all[*]Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address      Foreign Address     State    PID/Program name
tcp    0   0 127.0.0.1:631      0.0.0.0:*        LISTEN   250/cupsd   Â
tcp6    0   0 ::1:631         :::*          LISTEN   250/cupsd   Â
udp    0   0 0.0.0.0:16409      0.0.0.0:*              526/dhclient Â
udp    0   0 0.0.0.0:68       0.0.0.0:*              526/dhclient Â
[Code] ....
I'm aware that cups seems to work just for my printer but I do not understand why I can't just disable it.
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Dec 12, 2015
I'm using Debian Sid xfce on my lenovo laptop. When i try to shutdown, the screen always stays on (the fans turn off). It says "reached target shutdown", then this happens: [URL] .... and then it hangs. I have to press the power button to shut it down. (I have the same problem with reboot). I had the same issues with Jessie.
Things i tried so far and didn't work:
Code: Select allshutdown -h now
shutdown -p now
halt
poweroff
systemctl poweroff
init 0
I edited /etc/default/grub and added the following options at "GRUB_CMDLINE_LINUX_DEFAULT":
acpi=force, acpi=off*, acpi=noirq
*acpi=off: shutdown (not reboot) worked a few times but i didn't have wifi and power manager didn't seem to work
none of them worked..
I have no energy or wake up options at my BIOS.
I found out that i can normally reboot with the Alt + sysrq + REISUB key combination.
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Jul 22, 2010
I'm running a Debian on a laptop (actually a netbook: Asus EEE 1001PX) as a cheap homeserver. However I'd like it to automatically "shutdown -h NOW" when I remove the AC plug (switch it off at the wall). Otherwise I have to ssh to it and call it myself, and that just sucks Can I somehow detect the removal of AC power and upon that run a script ?
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