From: Paveza, Gary (gary.paveza@AIG.COM)
Date: Wed Jun 19 2002 - 09:22:51 EDT
As usual there were tons of helpful replies. Most concerned the use of
useradd. I had been aware of the utility, but was looking more for a
general script. I was hesitant to just edit /etc/passwd by hand. SAM
(while just a tool to manage the file) could do the job, for the number of
entries I had to make on several machines was just not worth it.
What I ended up doing was the following:
On the machine that I was taking the IDs from, I copied /etc/passwd to
another name and stripped out any users I did not want to duplicate (root,
etc). I then ftp'd this file to the other systems. Using vi, I read this
file into /etc/passwd. Since I only have about 5 or 6 GIDs, I added them in
manually.
I then ran the following script to create the home directories and minimal
files. I realize this could have been done more efficiently, but wanted
each step spelled out in the script for later review by junior admins. Note
for our site, only UIDs between 200 and 600 are valid for users at this
time.
#!/usr/bin/sh
#
cat /etc/passwd | while read line
do
USERNAME=$(echo $line | awk -F : '{print $1}')
UID=$(echo $line | awk -F : '{print $3}')
GID=$(echo $line | awk -F : '{print $4}')
if [ $UID -gt 200 -a $UID -lt 600 ]
then
if [ ! -d /home/$USERNAME ]
then
GROUPNAME=$(cat /etc/group | grep $GID | awk -F : '{print $1}')
mkdir /home/$USERNAME
chown $USERNAME:$GROUPNAME /home/$USERNAME
chmod 711 /home/$USERNAME
cp /etc/skel/.cshrc /home/$USERNAME
chown $USERNAME:$GROUPNAME /home/$USERNAME/.cshrc
cp /etc/skel/.exrc /home/$USERNAME/.exrc
chown $USERNAME:$GROUPNAME /home/$USERNAME/.exrc
cp /etc/skel/.login /home/$USERNAME/.login
chown $USERNAME:$GROUPNAME /home/$USERNAME/.login
cp /etc/skel/.profile /home/$USERNAME/.profile
chown $USERNAME:$GROUPNAME /home/$USERNAME/.profile
else
echo "User: $USERNAME UID:$UID GID:$GID"
fi
fi
done
> -----Original Message-----
> From: Paveza, Gary [SMTP:gary.paveza@AIG.COM]
> Sent: Tuesday, June 18, 2002 9:23 AM
> To: 'HP9000 Admin'
> Subject: [HPADM] creating user IDs
>
> Is there an easy way to create user IDs on a system without going through
> SAM? I have a need to move (copy) quite a few user IDs from one machine
> to
> another and am hoping there is an easier way than just recreating them one
> by one. No NIS or anything, we only use /etc/passwd.
>
> Does anyone have a script written to simply adding users from the command
> line?
>
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