Ubuntu :: Change The UMASK For Users Who Log In On A LTSP Terminal?
Jun 25, 2010
I'm setting up an application server for a small organization using Ubuntu 10.04 and LTSP. We built a machine with a quad core Athlon II, got a Gigabit swtich, and a couple Gigabit ethernet cards. I burned gPXE into a couple EPROMs and turned their old PIII and Duron systems into thin clients.
So far so good.
Now, I'm trying to set up a shared directory that two users in the same group can both read and write. Let's call it "/home/shared". I want to set UMASK to 007, so that by default, files are created readable and writable by user and group, with no permissions for anybody else. I changed a line in "/etc/profile" from "umask 022" to "umask 007". After rebooting the app server, the umask does appear to be 007 when you log in at the console. However, it doesn't seem to affect the terminals.
So I figured I needed to change it in "/opt/ltsp/i386/etc/profile". vi helped me out with that. Didn't make a difference in the terminals. Ok, I need to rebuild the image, so I did an "ltsp-update-image" and rebooted the terminal. umask is still 022. ???
I changed UMASK in "/opt/ltsp/i386/etc/login.defs" and rebuilt the image. No change. ??? I really don't understand why this isn't working.
How can I change the UMASK for users who log in on an LTSP terminal?
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Jun 2, 2010
I would like to make LXDE the default desktop for ALL USERS on my LTSP clients. There are about 60 users so far.On my server, LXDE is default for everyone.But on the clients, each user has to change to LXDE individually. How can I make LXDE default on all clients?I've been looking through the forums all day, but could not find an answer to this question, so hopefully we can get an answer and my title will help others.
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Feb 16, 2010
I am writing a bash script for auditing a Linux System. One of the points to capture is the umask of the users in the system.
Though a 'umask' command executed by the respective user gives this value, i am not sure how to get this in a script, which would be run with root credentials. This my be pretty easy, but i am not sure how root can find this for say 'user-x' (except say peeking into /etc/bashrc).
umask doesn't seem to accept username argument like the 'id' command does...
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Jan 4, 2010
I think the following code is trying to change the settings inside the file:
CISum=077
sed -e "s/002/$CISum/" -e "s/022/$CISum/" /etc/bashrc-preCIS > /etc/bashrc
sed -e "s/002/$CISum/" -e "s/022/$CISum/" /etc/csh.cshrc-preCIS > /etc/csh.cshrc
[code].....
But, what if i only want to check what the settings are inside the file, but does not want any changes to the file.
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Dec 9, 2010
How do I set umask for sftp only users ?Users are jailed - that means they use internal-sftp:
Code:
# cat /etc/ssh/sshd_config
..........
[code]...
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Dec 29, 2008
We have users that send files to our server via sftp... We normallyhave umask set to 022 but for these files we would like to force a umask of 002... I've tried to change in the .bash_profile but does not seem to make any difference...
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Jun 7, 2011
I have logged in with root user
My systems Umask value was 0022.
Code:
So i decided to change it to 0077 and observe the system for some time. so i edited /etc/profile and added
Code:
at the end of file
rebooted the machine.
But the umask is still showing as 0022
After the first attempt is failed I tried changing it using below command.
Code:
Validated it.
Code:
rebooted the machine but the umask is still showing 0022
So at last i have to modify /etc/bashrc file and add umask 077 at the end of the file.
How would i make it in general for all(Even for non-root user) and not just for bash prompt.
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Mar 5, 2010
I want to set permissions to a folder as rwx-r-x-r-x in such a way that whenever a new file or folder is created under it, it will automatically inherit the parent folders default permissions.So,what I need to do know, do I have to change the umask value??
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Mar 16, 2011
My Debian system has by default umask permissions of 0022, which I never liked. One user can read all the files of another seems very insecure to me.
I am planing to set it to 007, so that user and group have rw but all others have none.
Are there any side effects to that? I have noticed from a trial I did where I was changing permissions on the filesystem that some system stuff in the OS does not work anymore, if "others" have no read permission anymore, so that is why I am asking.
And why are chmod / umask permissions sometimes stated as 4 digits? What is this "all" group in the end? Isn't that already covered by "others"?
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Jun 16, 2009
How to change Umask value permanently for all user in Red hat Version
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Jan 7, 2010
I have a daemon running as a local user account on my red hat box. The problem is the daemon creates directories using a umask of 022. I need group write access to the directories the daemon is creating. I need the daemon to use a umask of 002. I've edited the daemons startup script in /etc/init.d I've changed the umask in the /etc/init.d/functions file. I've added the line "umask 002" in the user's ~/.bashrc and ~/.bash_profile files. I've also setup /etc/bashrc to assign all users a 002 umask (just for kicks)
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Mar 25, 2011
I've decided to move this question into a new thread since i haven't received an answer for 3 days. This question was originaly posted here: [URL]... I've already searched in google, however i wasn't able to find an answer that solves my problem... How can i change the umask on a per user basis so that each user can have its own umask to fit his needs? For example: I have four accounts on my system ex.
admin1 : admin,
admin2 : admin,
manager : stuff,
user : user,
-So now I want everything from the admin group to be by default set to 002 (so that every user that is in the admins group can have a full share (-rwx rwx r--) of everything that is created by the admins).
-Then the similar to the above managers shoud have 022 umask.
-And each of the regular users should have 002 or 022 or 077 it is up to the users choice.
I hope that i have provided enough info thorough the example.
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Dec 28, 2009
I have 2 Oracle users that generate .tmp files under /var/tmp. By default, the files have the permissions 644. Now, a need has arisen whereby the files created by these users have to have the permission bits as 664. Obviously, I changed the UMASK value for these users from 022 to 02. But the files are still getting created with 644 as the permission.
I tried restarting the application as I read that a relogin is required for the UMASK change to take effect. Even that hasn't helped.
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Feb 4, 2010
Recently I was going through some chmod manipulations and found the umask values to be 0002 by default in Fedora 11 distro. What I knew about the default values to be 022. I don't know whether this is a kernel modification in this distro or my system is in compromise(I doubt for the latter option, but not confirmed).
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Oct 28, 2009
I have ext3 partition mounted on /mnt/shared/ as follows
Code:
Permissions above are of the actual mounted fs.
Goal is to have all files created on the fs
1) to belong to group 'users'
2) to have this groups permissions set to rw (rwx for directories) so that all users who belong to group 'users' have full read/write access to data and everyone else to have only read access.
Now because of setgid bit (s) in group permissions every file created has group 'users' and additionally setgid bit is set for directories. Because every users umask by default (on my system) is set to 0022 all created files will have permissions 644 for ordinary files and 755 for directories.
Net result of above means that users A and B who both belong to group 'users' won't be able to modify files created by the other.
So how can I make files created on the fs to be created always with umask 0002 WITHOUT changing default umask for users that is used elsewhere (like in their home directory) ?
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Jun 6, 2011
I have been working/implementing LTSP based thin clients now using Ubuntu 10.04 LTS 32bit server. I intend to change the default purple Ubuntu splash. I have already removed the "quiet splash" parameters in the pxeconfig file. And it works, giving me a text boot. But what i needed was a replacement for the splash.
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Apr 25, 2011
Not sure if this is the right place to ask this question. In Solaris we have umask (shell builtin) and /usr/bin/umask. However I could not find /usr/bin/umask in Linux.
I want to know the difference between both and how can we achieve the functionality of /usr/bin/umask in Linux as its not there...
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Dec 1, 2010
I've fallen in love with Terminator as a replacement for the standard gnome-terminal app.
However, I'm also very much in the habit of using the nautilus-open-terminal extension for launching new terminal sessions.
I'd like nautilus-open-terminal to launch Terminator rather than gnome-terminal.
A quick search of my system and the web didn't reveal anything. i didn't find a gconf setting to control this. A quick look at the source code didn't help much either.
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Feb 29, 2016
I mainly use debian jessie , recently i have installed daragora as my second os to get a feel of gnu/linux . the problem is that dragora uses bash , and it's commands are different from debian jessie terminal is there a way that i can use the same commands here in dragora?
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Jan 31, 2011
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Jun 1, 2010
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Jun 6, 2010
I am currently running Ubuntu Server 9.10 as an FTP server. It has become a necessity to allow users access via SSH terminal or sftp via WinSCP. I need to be able to monitor what users are doing at any given time and be able to pull up each users activity history. Essentially I need to be able to pinpoint who modified a file at what time. Also what is the best method to monitor things like nmap probes?
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Jan 1, 2010
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May 30, 2010
Change Owner to Everyone, All Users, or *
How do I change the owner of a folder to Everyone?
In Windows, I can just right click folder > Properties > Security > Edit... > Add... > Advanced... > Find Now > Select "Everyone" > OK > OK > Set Everyone permissions > OK > OK. ^ See, so easy!
Every time I login or restart, I have to launch these commands:
Code:
I need to access the /var/spool/cups/ spool folder, but having to re-do that is so annoying.
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May 18, 2011
While I'm a fan of Gnome, I'd prefer if the user "kids" logs in as KDE by default. Is there any way to toggle which desktop environment it automatically logs in to?
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Feb 19, 2010
Is it possible to completely disable the password change for users accounts in linux?? (I don't mind account lock)
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Aug 18, 2010
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Aug 22, 2010
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Nov 8, 2010
how to change when running command "adduser" or "useradd" the placement of the users home directory. Have tried editing the /etc/default/useradd file with no results.
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Jul 7, 2011
Right i did a clean install of Fc15 and used a custom layout with separate /home partition. when it all installed It had created /home in the /root partition. so I then moved the /home directory to the partition I intended, added the relevant fstab entries and re granted permissions etc to the relevant files. All done with a live cd.
the problem is when i rebooted all settings worked as the partitions mounted with all the /home directories and all my user settings are in tact but when i click home in KDE's kick off it tried to open root? So all im wondering is how could i change the default /home back to my user account? as all i seem to find online is how to specify a /home with useradd
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