Ubuntu :: Dconf - Inotify - NFSv4 Home Directory Mounts Don't Work In 10.10
Dec 16, 2010
I have noticed that when I have my home directory mounted over network with NFSv4 ==> applications that use dconf to save preferences do not work correctly.
If I try to save preferences they won't save and I'm getting "Unable to contact dconf service" errors with Evince, Empathy etc.
I was googling this issue and I figured out that Dconf uses inotify() ( [url] and [url]) and those notifys don't work with NFS at all so the whole "dconf thing" doesn't work!
Am I right that Ubuntu is moving from GConf to DConf? If that is true I think this issue will be a serious problem if most of the applications use mechanism to save settings that doesn't work with NFS mounted drives. It is quite common to use NFS to mount home directory in some schools, companies and LTSP-machines.
I've tried to reinstall dconf and libdconf0 packages with no working result. When I'm using my home directory locally there is no problems.
And with Ubuntu 10.04/9.10/9.04... there were no these problems.
Links:
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Oct 1, 2015
i installed debian 8.2 with gnome 3 desktop environment when i run this command
Code: Select alldconf write /org/gnome/nautilus/preferences/default-sort-order type i got this error
Code: Select allerror: 0-4:unknown keyword
Usage:
dconf write KEY VALUE
Write a new value to a key
Arguments:
KEY A key path (starting, but not ending with '/')
VALUE The value to write (in GVariant format)
what should i do ?
also when i use gsettings i get
Code: Select all(process:4333): dconf-WARNING **: failed to commit changes to dconf: The connection is closed
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Oct 23, 2010
I have AD DS installed on Windows Server 2008 R2. Also, I've got SLES 10.3 as NFSv4 server, which will allow remote users to mount their /home partitions. What I need, is NFSv4 w/Kerberos. As AD server already has integrated Kerberos server, I need SLES to authenticate in it.Everything works good, but when it comes to svcgssd service activation, I receive an error.Here's the log:
/usr/sbin/rpc.svcgssd -f
ERROR: GSS-API: error in gss_acquire_cred(): Miscellaneous failure - No principal in keytab matches desired name
[code]....
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Jan 27, 2011
I'm running OpenSuSE 11.3 (64 bit) with the latest kernel update as of yesterday. I've recently moved from NFSv3 to NFSv4 on 4 servers. Between the 4 servers there are 9 exported directories. All of them work except 1 on 1 of the 4 servers.
/etc/exports
# NFSv4 fsid=0 for the top level directory
/export *(rw,fsid=0,async,no_subtree_check,insecure)
# End
# NFSv3
/export/apps/oracle *(rw,async,fsid=7,no_subtree_check,insecure)
/export/ftpserver *(rw,async,fsid=6,no_subtree_check,insecure)
# End
I had to keep the NFSv3 entry as I need that as the mount doesn't work with v4.
/export directory listing
/export:
total 5
drwxr-xr-x 4 root root 104 2002-08-08 16:47 .
drwxr-xr-x 33 root root 944 2011-01-25 17:28 ..
drwxr-xr-x 10 root root 232 2010-01-26 10:01 apps
drwxr-xr-x 8 root root 4096 2010-12-13 12:31 ftpserver
/export/apps:
total 0
drwxr-xr-x 10 root root 232 2010-01-26 10:01 .
drwxr-xr-x 4 root root 104 2002-08-08 16:47 ..
drwx------ 3 root root 72 2008-08-06 16:40 etc
drwxr-xr-x 2 root root 240 2011-01-24 03:00 htdig
drwx------ 3 root root 72 2008-08-06 16:40 lib
drwx------ 2 root root 48 2002-07-02 13:18 lost+found
drwxr-xr-x 4 oracle oinstall 104 2009-01-07 09:59 oracle
drwx------ 5 root root 120 2008-08-06 16:40 usr
Now on any of the 4 servers if I do:
# mount -t nfs4 machinename:/apps/oracle /mnt
mount.nfs4: mounting lister:/apps/oracle failed, reason given by server:
No such file or directory
But the other sub-dir of /export is fine:
# mount -t nfs4 machinename:/apps/ftpserver /mnt
If I mount the pseudo root:
# mount -t nfs4 machinename:/ /mnt
# ls -l /mnt
total 4
drwxr-xr-x 2 root root 48 2002-08-08 15:20 apps
drwxr-xr-x 8 root root 4096 2010-12-13 12:31 ftpserver
But the apps sub-dir is empty
# ls -l /mnt/apps
total 0
On the server:
# ls -l /export/apps
total 0
drwx------ 3 root root 72 2008-08-06 16:40 etc
drwxr-xr-x 2 root root 240 2011-01-24 03:00 htdig
drwx------ 3 root root 72 2008-08-06 16:40 lib
drwx------ 2 root root 48 2002-07-02 13:18 lost+found
drwxr-xr-x 4 oracle oinstall 104 2009-01-07 09:59 oracle
drwx------ 5 root root 120 2008-08-06 16:40 usr
Well that explains why the NFSv4 mount of /apps/oracle fails because for some reason it can't "see" any files below that, but as I say the ftpserver sub-dir & mount are fine.
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Apr 20, 2010
I have an interdependent collection of scripts in my ~/bin directory as well as a developed ~/.vim directory and some other libraries and such in other subdirectories. I've been versioning all of this using git, and have realized that it would be potentially very easy and useful to do development and testing of new and existing scripts, vim plugins, etc. using a cloned repo, and then pull the working code into my actual home directory with a merge.
The easiest way to do this would seem to be to just change & export $HOME, eg
cd ~/testing; git clone ~ home
export HOME=~/testing/home
cd ~
screen -S testing-home
# start vim, write/revise plugins, edit scripts, etc.
# test revisions
However since I've never tried this before I'm concerned that some programs, environment variables, etc., may end up using my actual home directory instead of the exported one. Is this a viable strategy? Are there just a few outliers that I should be careful about?
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Oct 17, 2010
I had a problem with Ubuntu 10 trying to mount a non-existent directory, mount/DRIVE_F/R&RMT . It would post an error message, wait for acknowledgement (or timeout).
The only cure for this incredible annoyance was to manually create the missing directory and path.
This works, EXCEPT THAT now instead of the (Gnome) desktop coming up, the empty directory I created comes up, and I have to close or minimize it.
I can't find where in the boot process the command to mount this occurs.
I need a clear explanation of the complete boot process from cold boot to Gnome GUI exposition.
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Mar 17, 2009
On our network, we authenticate our users via LDAP and use autofs to mount their home directories. This works fine in Fedora 8. However, in Fedora 10, when the user logs in, it also mounts the home folders of the users that previously logged onto the system as well. This is what I see when I login as "user1" on Fedora 10
[Code]...
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Feb 10, 2011
I am trying to get NFS mounts working properly using autofs, but I'm only getting partially results. I have an auto.master set up for indirect mounts and a list of map files for each entry. Forgot to mention that when I mount the directory using /etc/fstab or setup a direct mount in /etc/auto.master I can see files in the mounted directory...
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Jul 1, 2010
I have set up an NFS server on Fedora 13, and I am connecting to it with Fedora 13 and Ubuntu 10.
On both clients the command
Code:
works fine. On Fedora I can get into the directory with Nautilus and have read/write permissions as specified in /etc/exports on the server, but on Ubuntu I can only get into it from a sudo'd command line.
The ownership of the file on Fedora is "nobody" and on Ubuntu it's "user #500", with only people in the "500" group having access to it.
Obviously the permissions can't be changed on the client, but with the Fedora box being able to read/write to it with no problems I'm not sure what else I can do on the server to let normal users on the Ubuntu box read it.
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Jun 16, 2011
Do you think there is a way of accessing different user data from another account which I have set up.
Ie. user 1 = account has messed up
user 2 = account works fine
access user account 1 home directory from user 2 work space?
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Nov 24, 2010
I have multiple ubuntu machines and I connect to one through an NFS share. I have done this for a few years without issue. However, since re-installing ubuntu and upgrading to 10.4 I have a problem with my system hanging when the remote shares are lost.
Basically, I can power down the machine downstairs, and my main machine then has a fit. I can not open any folders in ubuntu, nor can I shut down. If I try and shut down the system hangs, last time it hung for 8 hours before I had to kill the power.
These are the lines in my fstab
I don't know what I've done wrong, or how I can prevent this from hanging. I have googled the heck out of this as well and can't seem to find an answer either.
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Sep 22, 2010
I have a dual-boot macbook with an OS X partition and an ubuntu partition. When I first installed ubuntu, I changed my home folder to my OS X home directory to synchronize all my files from both. My home directory is now /media/sda2/Users/username/. In a regular home folder, the icons for Documents, Music, Pictures, Movies, etc. are different (not just with emblems, but actually different icons). But when I changed my home folder, these subfolders' icons stayed the same as regular folder icons and I can't figure out a way to change that default setting. I know how to change the icons for each folder manually, but these changes don't appear everywhere (i.e. nautilus, places, etc). Furthermore, every time I change my icon theme, I would have to manually reassign icons for these folders. Is there a way to globally change the folder icons for these folders?
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May 24, 2011
I need to specify a different path to home directories on a particular server than what LDAP contains for the users, besides using a symlink. E.g. "/Users/jdoe" vs "/home/jdoe" I don't want to change the actual LDAP attributes, just want a particular server to point them in the right direction (Ubuntu 10.04).
I'm assuming it's something I could probably set in pam configurations?
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Jul 21, 2009
I have a strange problem when I do SSH to a FEDORA9 based Linux Server.
[Code]....
When I login using "adah" username in TELNET I am automatically directed to my home directory at location "/media/disk-1/home/adah". But when I use SSH to login using the same username I get the following message Code: Could not chdir to home directory /home/adahaj: Permission denied
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Jan 6, 2010
I have a secondary disk which holds a /home directory structure from a previous install of Linux. I installed a new version on a new primary drive and mounted this secondary drive as the new /home. Problem is, even though the users are the same names and I can access the home directories for the users, I cannot login directly to their home directories, as I get the following error: -
Code:
login as: [me]
[me]@[machine]'s password:
Last login: Wed Jan 6 18:34:33 2010 from [machine]
Could not chdir to home directory /home/[me]: Permission denied
[[me]@[machine] /]$
Now, since the usernames are correct and the users are in the passwd file with the correct home directory paths, could it be user ID's that are different or something else? It's not as though I cannot access the home directories for the users, simply that I cannot log directly into them from a login prompt.
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Jun 19, 2010
Is there anything special about a home directory before users' home directories are stored there, or is just as typical as any other "empty" folder?Let me just cut to the chase, but please no ear ringing about the folly of messing around as root, particularly with directories at root level. I know it's considered stupidity, but I deleted my home directory.
Is there an easy way to restore a working home directory? I tried copying /etc/skel under root, but I'm not sure what a home directory should look like once it has been restored. Besides . & .., there were .screenrc & .xsession in my home directory when I copied /etc/skel. Are these files suppose to be in "/home" or "/home/~" or both?
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Aug 26, 2010
I have Ubuntu Karmic. I chose to install with an encrypted home directory. Recently I got a warning that I only had 2GB of drive space left. This is mostly because of my videos. So I went and bought a new hard drive and partitioned it and made 1 ext4 partition and copied my videos all to the new hard drive. I added a line in my fstab to mount the new hard drive to ~/videos, but when I reboot the computer, there is a screen saying something like "error mounting /home/me/videos, press S to skip or something else to reboot". If I press S to skip, then when my system comes up there is a video directory but it's empty because my other hard drive didn't get mounted. I can run sudo mount /dev/sdb video/ and it will mount fine and I can see all my videos, so why can't fstab mount it? Does this have something to do with my encrypted home directory?
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May 26, 2015
The dconf-editor is missing 'percentage-action', 'percentage-low', 'percentage-critical' strings that's responsible for notifying the user of the battery levels. How can I add them?
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Sep 16, 2010
Trying to change permissions on a file in /proc/sys/fs/inotify. The command syntax are:
Code:
sudo chmod u+w max_user_watches
and the result is:
Code:
chmod: changing permissions of `max_user_watches': Operation not permitted Also tried to change it when logged in as root, same results. Parent directory permissions are dr-xr-xr-x, and are the same up the chain. Tried to change the directory permissions to u+w, that didn't work either. FWIW, /proc is part of the / partition, and it has ~600MB free space.
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Apr 13, 2010
I'm using Mac OS X's Terminal.app shell to compile and run Fortran programs. One such program resides outside of my home directory (it is in the Applications folder, which resides on my hard drive but seems to be outside of my home folder). How can I navigate into this directory using Terminal.app to run the programs that reside there?
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Feb 15, 2010
I was wondering if it is possible to view all the files or dirs that inotify is monitoring.
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Jan 21, 2010
I am using inotify-tools in order to achive my task. inotify-tools has two commands inotifywait or inotifywatch. I am using inotifywait. I want to be able to extract unique paths that inotifywait will output and then take those unique file path run them through clamscan and quarantine the files if necessary. Here's what I have come up with so far.
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Mar 11, 2010
I need a program which generates events when a file is moved, removed or its extended attributes are changed. I'm running Ubuntu Karmic Koala 32-bit desktop.inotify is the standard solution for such problems, but inotify cannot install a recursive watch, so the only option is to the equivalent of find on the filesystem, and add an inotify watch on each node. This is what e.g. inotifywatch does. This won't work for me, because my filesystem has 1 million files, and installing watches to all of them takes forever.
fanotify could work except that I would have to patch the kernel for that (I'm currently running 2.6.31-20), and maintaining patches to the Linux kernel is beyond my time commitment.I used to use rfsdelta (whose kernel module is similar to rlocate), but it just doesn't compile on 2.6.31, because it uses obsolete Linux security framework APIs.
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Jul 5, 2010
How in the world do I find the Home Directory?
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Dec 6, 2010
I've used the NFS how to on the Ubuntu Community wiki here to setup a shared directory between my Ubuntu 10.10 server, and two clients, one running 10.04, another 10.10. I can create and read files from both machines just fine but cannot modify a file created by the other machine.when viewing the permissions on machine A, that was created by machine B, the permissions say "nogroup, nouser". Both users are setup on the server with the same UID, and GID's.Also, both machines are setup to create files that by default are read/write possible for user and group, per the link here.
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Apr 4, 2011
I just started to use NFSv4, but Dolphin seems to have problems with it. For example if I copy something from local partition to the nfs partition dolphin stops to response. I cannot launch another dolphin or browse the current dolphin. After copying is completed the dolphin starts to work again. I also have cifs partitions via samba, but with those I don't have this problem. Something wrong with my NFS configuration maybe?
Code:
/export 192.168.0.0/24(rw,fsid=0,no_subtree_check,async,no_root_squash)
/export/alpha 192.168.0.0/24(rw,no_subtree_check,async,nohide,no_root_squash)
/export/beta 192.168.0.0/24(rw,no_subtree_check,async,nohide,no_root_squash)
/export/gamma 192.168.0.0/24(rw,no_subtree_check,async,nohide,no_root_squash)
/export/delta 192.168.0.0/24(rw,no_subtree_check,async,nohide,no_root_squash)
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Jan 18, 2011
Is it possible to add repositories from NFSv4 to zypper? I have initiated automatic mounting network resources on NFSv4 and it works fine, but after adding repository from NFSv4 to zypper, I have problem on refreshing repository data:
Code:
omega:/distrib/repositories/1 # zypper refresh repo-update-1
Retrieving repository 'repo-update-1' metadata []
[code]....
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Feb 1, 2010
I recently found an awful lot of junk files in my home directory, mostly in directories that start with a dot e.g. /home/my home/.mozilla So I did cd du -chs .??* and found 3.5 GB. After pruning, I find < 250 MB of files that I have knowingly created.What is happening is that I installed some programs, say xyz , tried them out and decided they were unsatisfactory, deleted them. The un-installer for xyz deletes the actual program but meanwhile xyz has installed lots of config files or status files in /home/my home/.xyz and the un-installer does not delete these. So if you are running short of space or if backups take forever, it might be worthwhile to do the above command or maybe
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Feb 3, 2010
I thought i'd set up the partitions correctly when i installed ubuntu, with a 15 gig "/" partision and a 45 gig "/home" and a 3.8gig "swap"
I was wrong i somehow misplaced the /home partition, and therefore didn't install it
I found this out about 4 days ago as i was running though video tutorial and realized i didnt have it setup correctly afterall
So... i did some research and found this site...[url] and i found something that seemed to work for various people, i deleted the 'now' windows partition and so i had this:
However i unmounted the /home folder following the instructions without realizing that i didnt have permissions to mount the /new home partition as it is not in the extended ubuntu 9.04 linux partition and i have no rights to it
So my question is, how do i fix the path to the /home folder (original) in ubuntu so that i can start over and do this correctly (ie; resize the extended partition and add the /newhoe directory/patition to ubuntu)
I realize that i can use a sudo command before lines to run su commands that are blocked in ubuntu, which is how i screwed up =
I cannot use anything in the menu as all links to programs are dead, i can run the add app, but it cannot install as the install folders are "not there"... i can see them in the terminal so i know my data is there and i can run the live disc to salvage it, but i cannot see it while ubuntu is loaded
Note; i have not restarted the computer and i don't know if this will block ubuntu from restarting either, so i need to fix via terminal, before i can do anything else, like letting the laptop rest.
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Feb 19, 2010
if these are set to be encrypted on installation how would I go about changing that?
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