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Shell Programming and Scripting
List ALL users in a Unix Group (Primary and Secondary)
Post 302318195 by ghostdog74 on Thursday 21st of May 2009 03:44:31 AM
05-21-2009
Quote:
Is there a command or better combination of cmds that will give me the list of Unix users in a particular Unix group whether their primary group is that group in question (information stored in /etc/passwd) or they are in a secondary group (information stored in /etc/group).
So far all I got is a combination of the following:
groupName=XXXXX
groupId=$( getent group | egrep "^${groupName}:" | cut -d: -f3 )
getent passwd | egrep "^.*:.*:.*:${groupId}" | cut -f1 -d:
getent group | egrep "^${groupName}:" | cut -f4 -d:
(Yeah for all you NIS and/or LDAP guys, I did use the getent commands)
So far all I got is a combination of the following:
groupName=XXXXX
groupId=$( getent group | egrep "^${groupName}:" | cut -d: -f3 )
getent passwd | egrep "^.*:.*:.*:${groupId}" | cut -f1 -d:
getent group | egrep "^${groupName}:" | cut -f4 -d:
(Yeah for all you NIS and/or LDAP guys, I did use the getent commands)
Code:
#!/usr/bin/env python
d={}
for line in open("/etc/group"):
line=line.strip().split(":")
users=line[3]
if users:
for u in users.split(","):
d.setdefault(u,[])
d[u].append(line[0])
for i,j in d.iteritems():
print "%s is in groups: %s" %(i,j)Code:
# ./test.py daemon is in groups: ['bin'] user5 is in groups: ['dialout', 'video'] user2 is in groups: ['dialout', 'video'] user3 is in groups: ['dialout', 'video'] user1 is in groups: ['dialout', 'video'] nobody is in groups: ['nogroup']
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LEARN ABOUT HPUX
lvmpvg
lvmpvg(4) Kernel Interfaces Manual lvmpvg(4) NAME
lvmpvg - LVM physical volume group information file SYNOPSIS
DESCRIPTION
is an ASCII file that stores the volume-group information for all of the physical volume groups in the system. The information is stored in a hierarchical format. First, it starts with a volume group under which multiple physical volume groups can exist. Under each physical volume group, a list of physical volumes can be specified. There must be at least one physical volume group in each volume group that appears in this file. The physical-volume-group name must be unique within the corresponding volume group, although it is permissible to use a common physical volume group name across different volume groups. There can be as many volume groups in this file as there are in the system. Instead of using the and commands, the administrator can edit this file to create and extend physical volume groups. However, care must be taken to ensure that all physical volumes to be included in the file have already been defined in their respective volume groups by previ- ous use of or The file format has the following structure. and are keywords that introduce the names of the volume group and physical volume group, respectively. pv_path ... pv_path ... pv_path ... The variables are defined as follows: pv_path The block device path name of a physical volume within the volume group. pvg_name The name of the physical volume group. It must be unique within the volume group. vg_name The path name of the volume group. EXAMPLES
The following example shows an file containing two volume groups: the first containing two physical volume groups, each with two physical volumes defined in it; the second containing three physical volume groups, each with one physical volume defined in it. SEE ALSO
vgcreate(1M), vgextend(1M), vgreduce(1M), vgremove(1M), intro(7), lvm(7). lvmpvg(4)