On Wed, Oct 13, 2010 at 17:16, Spiro Harvey sp...@knossos.net.nz wrote:
John Kennedy skeb...@gmail.com wrote:
This also does not tell me how useradd knows that on this system at
this time the highest UID assigned to a user is 20015.
From the source's mouth (this is from useradd.c in the
When I used Solaris years and years ago there was a command that would be
able to tell you the next available non-system UID number for the system
(can't remember what it is now, I have slept since then...). Is there an
equivalent in CentOS?
Thanks,
John
--
John Kennedy
Is there an equivalent in CentOS?
cat /etc/passwd |cut -d : -f 3 |sort -n
;)
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On Wed, Oct 13, 2010 at 16:09, Joseph L. Casale
jcas...@activenetwerx.comwrote:
Is there an equivalent in CentOS?
cat /etc/passwd |cut -d : -f 3 |sort -n
;)
I am more looking at what the system thinks is the next UID. Does the
useradd command use this when it assigns the next UID?
John
On Wed, 2010-10-13 at 20:09 +, Joseph L. Casale wrote:
Is there an equivalent in CentOS?
cat /etc/passwd |cut -d : -f 3 |sort -n NEXTUID=`expr $LASTUID + 1`
;)
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On 10/13/2010 4:22 PM, Terry Polzin wrote:
On Wed, 2010-10-13 at 20:09 +, Joseph L. Casale wrote:
Is there an equivalent in CentOS?
cat /etc/passwd |cut -d : -f 3 |sort -n NEXTUID=`expr $LASTUID + 1`
;)
LASTUID=`cat /etc/passwd |grep -v nologin|cut -d : -f 3 |sort -n |
tail -1`;
On Wed, Oct 13, 2010 at 10:40 PM, Bowie Bailey bowie_bai...@buc.com wrote:
On 10/13/2010 4:22 PM, Terry Polzin wrote:
On Wed, 2010-10-13 at 20:09 +, Joseph L. Casale wrote:
Is there an equivalent in CentOS?
cat /etc/passwd |cut -d : -f 3 |sort -n NEXTUID=`expr $LASTUID + 1`
;)
On Wed, Oct 13, 2010 at 16:40, Bowie Bailey bowie_bai...@buc.com wrote:
On 10/13/2010 4:22 PM, Terry Polzin wrote:
On Wed, 2010-10-13 at 20:09 +, Joseph L. Casale wrote:
Is there an equivalent in CentOS?
cat /etc/passwd |cut -d : -f 3 |sort -n NEXTUID=`expr $LASTUID + 1`
;)
Bowie Bailey wrote:
On 10/13/2010 4:22 PM, Terry Polzin wrote:
On Wed, 2010-10-13 at 20:09 +, Joseph L. Casale wrote:
Is there an equivalent in CentOS?
cat /etc/passwd |cut -d : -f 3 |sort -n NEXTUID=`expr $LASTUID + 1`
;)
LASTUID=`cat /etc/passwd |grep -v nologin|cut -d : -f 3 |sort
That assumes the highest UID number has a login shell...
which is generally the case...
Exactly, without excluding those who have a shell of nologin the last
uid on my machine is nfsnobody(65534), I don't believe that a UID can be
greater than that.
On 10/13/2010 4:42 PM, Rudi Ahlers wrote:
On Wed, Oct 13, 2010 at 10:40 PM, Bowie Bailey bowie_bai...@buc.com wrote:
On 10/13/2010 4:22 PM, Terry Polzin wrote:
LASTUID=`cat /etc/passwd |grep -v nologin|cut -d : -f 3 |sort -n |
tail -1`; NEXTUID=`expr $LASTUID + 1`; echo $NEXTUID
That
- Original Message -
| That assumes the highest UID number has a login shell...
|
| which is generally the case...
|
|
| Exactly, without excluding those who have a shell of nologin the last
| uid on my machine is nfsnobody(65534), I don't believe that a UID can
| be
| greater than
John Kennedy skeb...@gmail.com wrote:
This also does not tell me how useradd knows that on this system at
this time the highest UID assigned to a user is 20015.
From the source's mouth (this is from useradd.c in the shadow-utils package):
/*
* find_new_uid - find the next available UID
*
*
On Wed, 13 Oct 2010, James A. Peltier wrote:
| That assumes the highest UID number has a login shell...
|
| which is generally the case...
|
|
| Exactly, without excluding those who have a shell of nologin the
| last uid on my machine is nfsnobody(65534), I don't believe that a
|
On Wed, Oct 13, 2010 at 4:15 PM, John Kennedy skeb...@gmail.com wrote:
I am more looking at what the system thinks is the next UID. Does the
useradd command use this when it assigns the next UID?
what about ...
# useradd nextid; id -u nextid; userdel nextid
-Bob
On Wed, Oct 13, 2010 at 04:47:45PM -0400, John Kennedy wrote:
the next user even though some dim bulb gave a use a UID of 4294967294 (how
the hell that user can log in with a UID out of range is beyond me unless it
gets truncated)...
Who says 4294967294 is out of range?
# grep tstuser
On 10/13/2010 5:24 PM, Stephen Harris wrote:
On Wed, Oct 13, 2010 at 04:47:45PM -0400, John Kennedy wrote:
the next user even though some dim bulb gave a use a UID of 4294967294 (how
the hell that user can log in with a UID out of range is beyond me unless it
gets truncated)...
Who says
On Wed, Oct 13, 2010 at 05:45:15PM -0500, Les Mikesell wrote:
On 10/13/2010 5:24 PM, Stephen Harris wrote:
On Wed, Oct 13, 2010 at 04:47:45PM -0400, John Kennedy wrote:
the next user even though some dim bulb gave a use a UID of 4294967294 (how
the hell that user can log in with a UID out
On 10/13/2010 6:01 PM, Stephen Harris wrote:
Who says 4294967294 is out of range?
64-bit, I presume? Does your /var/log/lastlog look pretty big after
Nope; 32bit CentOS 5.5
that person logs in or did that get fixed?
lastlog is a sparse file. How it looks and how big it is are two
On Wed, Oct 13, 2010 at 06:16:26PM -0500, Les Mikesell wrote:
On 10/13/2010 6:01 PM, Stephen Harris wrote:
lastlog is a sparse file. How it looks and how big it is are two
different things.
And how long it takes to copy if you back the system up is a 3rd thing.
Get better backup
On 10/13/10 6:42 PM, Stephen Harris wrote:
On Wed, Oct 13, 2010 at 06:16:26PM -0500, Les Mikesell wrote:
On 10/13/2010 6:01 PM, Stephen Harris wrote:
lastlog is a sparse file. How it looks and how big it is are two
different things.
And how long it takes to copy if you back the system up is
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