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Operating Systems Linux Nobody user group in Linux
# 1  
Old 05-28-2013
Nobody user group in Linux
Hi I am facing problem of taking backup of file system as username1.
There are some files in system which is having group ownership as nobody.
and username1 is not able to open this file and backup is failing .Even as a root user I can not open this file.

File which is creating problem is
Code:
drwx------ 2 cwosinternal nobody 4096 May  7 11:35 cwos-internal_keys

Below are content of group and passwd file

Code:
#cat /etc/group
root:x:0:
bin:x:1:
sshd:x:65:
nobody::99:
ntp:!:103:
ldap:!:70:
username1:x:501:applicuser

Code:
# cat /etc/passwd
root:x:0:0:root:/root:/bin/bash
bin:x:1:1:bin:/bin:/bin/false
sshd:x:71:65:sshd:/var/lib/sshd:/bin/false
nobody:x:99:99:nobody:/:/bin/false
ntp:x:74:103:NTP daemon:/var/lib/ntp:/bin/false
ldap:x:76:70:User for OpenLDAP:/var/lib/ldap:/bin/false
username1:x:101:501:applicuser:/home/username1:/bin/bash
pminternal:x:102:99:pminternal:/home/pminternal:/bin/tspshell
cwosinternal:x:104:99:cwosinternal:/home/cwosinternal:/bin/tspshell

Is it possible to assign nobody group to user username1 so that it can access that file.Is there any impact of assigning this usergroup nobody to any other user.As username1 is handling critical applications

Pls help in this
# 2  
Old 05-28-2013
As root, can you cd into that directory and ls its contents? If so, root has access (as expected).

Adding username1 to the nobody group won't make any difference since the group has no permissions for that directory.

"taking backup" is vague and unhelpful. You should specify the exact commands used.

Regards,
Alister
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