Ubuntu / Apple :: Cannot Install Updates - Root User Changed
Apr 16, 2010
Ubunto 8.4, running on 2nd partition on Apple Intel iMac. Several months ago, following a routine update, I found I could no longer install routine updates. Investigating further, I find
"You don't have permissions to..."
then sudo: /etc/sudoers is owned by gid 1002, should be 0.
That's not me! I am the owner and root user of this computer. How could this get changed? How can I change it back to me? The Linux platform of the computer has not been exposed to the net except for Ubuntu forums and updates. No one else has used this computer.
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Mar 21, 2011
I used to use the root account for everything for more than a year then I moved to a user account for security reasons but almost all files had root as owner so I could not go 5 minutes without having to change to root and then change the owner of a file to my username to make it usable. I got fed up with this so I just changed the owner of every file on the system to my username instead of root.
command chown -R myusername * in the base directory /
Everything was fine until I restarted and the login screen became non functional and I got 2 error messages related to xsession and gnome errors. I think this is because the login screen might have its own user account and it cant access the files for the login process because it is owned by myusername. So my question is what is the user-name of the login account and what folders/files need to have their owner changed so the login process can work? I'm on 10.04 lucid.
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Mar 14, 2011
I did something silly and changed my root user access for mysql access to Any from localhost using webmin. I get an access dented when i try to open up the mysql editing page on webmin. Can any of you tell me if there is a way to change it back to hosts=localhost I am using webmin 1.5.30 on Centos 5.5. I am hoping I can change it by command line or if I can access the config files and change it that way?
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May 30, 2010
I'm setting up some computers as kiosks, and would to scedule updates to be downloaded and installed without the user having to enter their sudo password, perhaps at midnight or something like this. What is the quickest way to do this on ubuntu?
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May 5, 2011
i was experiencing slow start ups since i installed ubuntu 11.04. it took about 20-30sec for the apple logo to come up (or rEFIt). today apple released EFI firmware updates which doesn't seem to install. reason is that the partition scheme is not compatible. EFI Firmware updates only install from GUID partition schemes.
DiskUtility tells me i have MBR. So it seems like Ubuntu changed the Partition Scheme.
Can any body confirm that? how can i make sure ubuntu installs into existing GUID? i will re-partition later today and give you an update if the EFI firmware update installs and boot time is faster.
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Oct 21, 2010
I haven't used my VB for a few weeks however all of a sudden it refuses to work for my normal non-root user. It's almost as if it can't find libraries in the /opt/VirtualBox directory. Initially it refused to start completely so I linked the required libs into /usr/lib64 ( yip real hack. Then it started but a vm would not start, and comes up with an error about a missing lib again which is definitely there. My non-root user is in the vb group and nothing besides system updates has changed. vb 3.2.10 slack64-current.
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Feb 5, 2011
i am having problems with privileges i have created a new user with my name, but i cant get root privileges on it. i need the same privileges as the root profile.
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Mar 24, 2010
the terminal and logged in as root i was changing file permissions and happened to change the root folder to 700. Now my icons have gone and i can't even access the terminal.
I was just wondering if it is possible to go to rescue mode using the cd and restore all the appropriate file permissions to root/ users if possible
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Jan 27, 2010
I'm having some problems with a hosted openSUSE 11.2 server. It was running fine until I did a "zypper up" to apply patches. This included a kernel update.
On reboot the root partition does not mount the / partition giving the following error:
Unrecognized mount option "defaults.noatime", or missing value mount: wrong fs type, bad option, bad superblock on /dev/md2.
Through an Ubuntu rescue disk (this is what Hetzner provides) the disk can be mounted without problems.
( I installed a fresh openSUSE 11.2 with a similar configuration and got the same results after the update)
The server is a hosted installation from Hetzner in Germany with just the basics for LAMP setup.
The disk setup is as follows using software raid1:
swap /dev/md0 (/dev/sda1 /dev/sdb1)
/boot /dev/md1 (/dev/sda2 /dev/sdb2)
/ /dev/md2 (/dev/sda3 /dev/sdb3)
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Jun 18, 2010
So I just recently installed Ubuntu Lucid Lynx over my old XP system and I have been loving it so far. I did run into a problem though. Shortly after installing Ubuntu, it prompted me to install updates and I did so. After the updates had installed, my computer restarted and the whole desktop theme/look changed to a older looking version of Ubuntu. I really liked the look of Lucid Lynx and have been trying to get it back.
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Mar 25, 2010
I am running Karmic (9.10) on my macbook air (2,1) and although many things work fine (I wrote about it here:[URL]) one of the last things that doesn't work is setting the screen brightness. The FN-F11/F12 combo does bring up the brightness adjustment notification window (top right) and I can change the setting, but it has no effect UNTILL I reboot or suspend to RAM and reboot.
A related issue is that the brightness doesn't automatically adjust to the surrounding brightness.
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Jan 17, 2009
I have updated the gdm file to be able to log in as root in Fedora 10.Nevertheless after I had selected package updates to be installed logged in as root I still get an error message that I do not have enough privileges.The terminal installation method is a bit of a problem since I do not think it will search for dependencies and therefore it can be excessively long to figure out what is missing for a package installation. In simple cases it works OK, but in more difficult cases it is a bear.
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Oct 28, 2010
So today I did an update and my gui changed. I'm running Ubuntu 10.04 64bit I reset gnome but it will not go away. In the picture you can see those little boxes and the lite blue frame on firefox. I have no idea what this is but it's annoying.
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Oct 28, 2009
Is It possible to change a process running in root-user to non-root-user by setting suid / uid / euid / gid etc... I so please instruct how, when and wat to set in order to change a process running in root-user to non-root user
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May 11, 2011
I've been running smoothly for most of the time but last time I booted my Lap a login screen appears. I had this disabled as I'm the only one using that machine. After trying several times it appears none of my passwords works. I log in as root (offline mode) to reset the pwd and then log in again with my standard user. Fine again and I disable log in so no account is asked when booting. As I got a new access point I had to reconfigure wireless connection. Shortly after I do so (1hr approx), the Wireless gets disconnected and it request my WEP key again. I entered and verified several times but no connection. I confirm with another device that the wireless is working and the WEP key is correct. So I restart to see if this fixes my connection and ,surprise, log in screen again and no pwd is recognized
I haven't touch that machine again but I'm afraid a malicious SW can be stealing my pwd. Only SW I have installed is from the official repositories
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Dec 31, 2015
Running Jessie 8.2 and Icedove 38.4.0. I just applied some updates and now Icedove only displays the number of unread messages in the folders.
Previously, it displayed the number of unread and the total number of messages in neat columns. Now it is a single number of unread in parens.
Is there any way I can get the display back to the previous format of unread# and total#?
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Jun 10, 2011
how to install rpm as non-root user
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May 10, 2010
I have installed OpenSUSE a few months ago and worked fine. But from yesterday i can't login with root user. I received the message:
Login: root
Invalid user name
I have no question for password neither.
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May 25, 2011
I am a Fedora user and have recently shifted to Debian.I tried to install httperf using the following command as root user:apt-get install httperfbut apt-get cannot locate the package:
root@D6-VM:/home/saad# apt-get install httperf
Reading package lists... Done
Building dependency tree
[code]....
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Aug 13, 2009
How can I enable "Auto Login" for root user?In " Yast --> Security And Users --> User And Group Management --> Expert options --> Login Settings " is just my own user and there's no root user to choose.
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Feb 1, 2010
this is a strange one. running 11.2 pae 32 bit kernel with all the most recent updates and gnome. This is a fresh install. I built the machine, and then installed all my repositories and software, and used the machine for about 2 days, and now when I log in it hangs on logging into gnome. it's strange because the wireless notification about available wireless networks is in the top left corner of the screen, and nothing else happens. I can log in as root.I also had this issue before I formatted the machine (that's why I formatted)
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Jan 10, 2011
what can I do if I changed my ubuntu password and cant remember what it is?I only have 1 user on my system - me, and I changed the password today, thinking it was obvious to remember my new password, but I cant remember it exactly
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Feb 19, 2010
I need to run a script (which requires root privileges) on login per-user only. I want this to runtomatically so I'll add an appropriate line to .profile.A couple of questions:1 The easiest way I can think of to run the script as root is to setuid, but I know there are security concerns. Is there a better way
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May 5, 2010
I've got a somewhat anemic box, resource-wise, set up in the office where any authorized user plus a guest account can log on. Guest is tightly restricted, but we get a lot of people passing through who need one-time or occasional access - this isn't the big problem. What's causing me problems is that a user will log in, walk away or go to the john and the screen locks. Next user (or this one comes back) and winds up doing another login. At the end of a week or so, I may have a couple of dozen sessions listed when I ask for "users". Since some of these session contain open applications they eat up an awful lot of a marginal amount of available memory. How do I kill the entire session (as root) for a user? Gotta be simple but it's not obvious to me.
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Mar 21, 2011
there is a way to mount, encrypted partitions as a normal user and not as root so that i may copy files into it using the file manager itself? even in the case of normal partitions other than /home, i can't seem add any data in them. the mount points i used are seperate directories within the /home partition?? also, is there a way to create partitions in such a way that it can be accessed, just as how windows partitions are accessed in linux?
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Apr 12, 2011
I came across this issue today and it changes everything I know about file permissions in linux. I created the following files in my system :
Code:
/tmp> ls -lad /tmp/testperm/
drwx------ 2 sagi users 4096 Apr 12 20:23 /tmp/testperm/
/tmp> ls -lad /tmp/testperm/file.txt
-rw------- 1 sagi users 12 Apr 12 20:23 /tmp/testperm/file.txt
[code]....
One more thing, as you can see I also set that only the owner of the directory (which is me again) can read and cd (the execute bit) to the directory. how come user 'root' can read the content of the file ?
Code:
# id
uid=0(root) gid=0(root) groups=0(root)
# cat /tmp/testperm/file.txt
Hello world
[code]....
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Apr 17, 2011
My install of 11.4 has been running perfectly for for several weeks now. But- (always a but) today it started acting up. I cannot log in to any user account including Root after logging out. After a cold boot I can log in again anywhere but after logging out I have to reboot again then I can get back in to any account once. After logging out any attempted log in causes the splash screen to blank for a few seconds and then it comes back with the previous successful user name log in but typing in the password blanks the screen a few seconds again. Clicking on a user account also blanks the screen a few seconds and then it again comes back with the previous log in users name.
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Feb 9, 2011
I don't know if this the right place to ask this question. If not excuse me.I installed apache server on my ubuntu and I've changed the www folder in etc/apache/.../default from /var/www to home/user/www but now i haveForbiddenYou don't have permission to access / on this server.
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Apr 4, 2010
I recently installed ubuntu studio 9.10 amd64 on my MBP 5,3 I need an internet connection for updates and to customise my system etc I tried to connect with a wired connection but for some reason I could not configure the ethernet interface. I tried to install the broadcom bcmwl-kernel-source driver by downloading it on another computer and then using a usb stick to transfer it. I had to go through installing several dependencies including dkms and linux-headers-generic. When I finally succeeded the driver showed up in Hardware privers as proprietry but was inactive. Whenever I try to active it I hit 'Activat' I authenticate and the nothing happens. It remains inactive. The wired connection is not readily available to me so it would be great if it was possible to solve this either via a usb or cd.
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Jan 20, 2011
Protect against root password change[Log in to get rid of this advertisement]I have recently had to force a change of the root password on a linux box I was running. It was a test system which I had not used in a while, so I forgot the root password (not so smart).Anyway, I found that it was amazingly easy to reset the root password. Here is a straight forward article on how to do it.URL...
My question is: how can you protect against this? I see this as a security hole.I understand that the user must have physical access to the computer, but if I want to lock the system down so you cannot easily enter single user mode or the root password cannot be changed.
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