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Operating Systems Linux Quota issue on user belongs to multiple Group Post 302663033 by sunnysthakur on Wednesday 27th of June 2012 12:38:42 PM
Old 06-27-2012
below are the steps what i did for this.

Scenario
=======

group name : project1
group members : user1, user2, user3.
group dump folder/common folder to the above mention users : /home/project1 (/dev/sda2).
group disk quota limit : 100MB soft and 110MB hard limit

GROUP QUOTA
===========

Step1 : Create a group
#groupadd project1

Step2 : Create all the require users with their home directory /home/project1 and group
as project1
#useradd -c "Testing group quota implementation" -m -d /home/project1 \
-g project1 user1
#useradd -c "Testing group quota implementation" -m -d /home/project1 \
-g project1 user2
#useradd -c "Testing group quota implementation" -m -d /home/project1 \
-g project1 user3

Step3 : Select/prepare the partition for quota, here my partition is /dev/sda2 so edit/etc/fstab file as shown below.
vim /etc/fstab
/dev/sda2 /home ext3 defaults,usrquota,grpquota 0 0

Step4 : Now remount the partition with rw permissions
#mount -o remount,rw /home

Step5 : Now create group quota database
#quotacheck -cug /home

Step6 : Once the above command executed successfully, check quota is implemented or not.
#repquota -a

Step 7 : #setquota -g project1 100000 110000 0 0 /dev/sda2
This will set quota for group project1

Step8 : #chmod 2770 -R /home/project1

Setup Samba Share
===============


Step 1 : provide the permissions on the above created folder.
#chmod -R 775 project1
#chown -R user1: project1 project1

Step2 : Now open /etc/samba/smb.conf file to create a share
vim /etc/samba/smb.conf
[global]
wide links = yes
unix extensions = no
[project1]
comment = Project1 share with Quota
path = /home/project1
browsable = yes
writable = yes
valid users = @project1
create mask = 775
directory mask = 775

same i used to create group project2 and assigned user4 and user5 to this group and assigned quota on /home/project2 and make it share from samba.

Please let me know if i am missing some configuration for this scenario here.
 

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QUOTA(1)						    BSD General Commands Manual 						  QUOTA(1)

NAME
quota -- display disk usage and limits SYNOPSIS
quota [-g] [-u] [-v | -q] quota [-u] [-v | -q] user quota [-g] [-v | -q] group DESCRIPTION
Quota displays users' disk usage and limits. By default only the user quotas are printed. Options: -g Print group quotas for the group of which the user is a member. The optional -u flag is equivalent to the default. -v quota will display quotas on filesystems where no storage is allocated. -q Print a more terse message, containing only information on filesystems where usage is over quota. Specifying both -g and -u displays both the user quotas and the group quotas (for the user). Only the super-user may use the -u flag and the optional user argument to view the limits of other users. Non-super-users can use the -g flag and optional group argument to view only the limits of groups of which they are members. The -q flag takes precedence over the -v flag. Quota reports the quotas of all the filesystems that have a mount option file located at its root. If quota exits with a non-zero status, then one or more filesystems are over quota. FILES
Each of the following quota files is located at the root of the mounted filesystem. The mount option files are empty files whose existence indicates that quotas are to be enabled for that filesystem. .quota.user data file containing user quotas .quota.group data file containing group quotas .quota.ops.user mount option file used to enable user quotas .quota.ops.group mount option file used to enable group quotas HISTORY
The quota command appeared in 4.2BSD. SEE ALSO
quotactl(2), edquota(8), quotacheck(8), quotaon(8), repquota(8) 4.2 Berkeley Distribution March 28, 2002 4.2 Berkeley Distribution
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