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{{Level|Developer}}
===Create system user===
a routine exists in /sbin/e-smith/ to create easily sytem users (different of user registered in LDAP)

* usage
 #  /sbin/e-smith/create-system-user
 Must give username param
 Usage: /sbin/e-smith/create-system-user: user userid descr home_dir shell

*example
 %pre
 /sbin/e-smith/create-system-user dns 53 "Name server" /var/service/tinydns /bin/false
 /sbin/e-smith/create-system-user dnslog 411 "DNS log user" /var/log /bin/false
 /sbin/e-smith/create-system-user jdownloader 810 "Jdownloader server" /var/lib/jdownloader /bin/bash

or 
 %pre
 /sbin/e-smith/create-system-user spamd 1005 \
    'spamassassin daemon user' /var/spool/spamd /bin/false

===Create a user in %prep===
that could be done also like this in a spec file or by the command line

 %pre
 if [ `grep -c ^user /etc/passwd` = "0" ]; then
 /usr/sbin/useradd -c 'User Comment' -d /path/to/user/home -p 'encrypted password' -s /bin/bash user
 fi

other examples
 %pre
 ....
 /usr/sbin/groupadd \
  -g 500 shared 2>/dev/null || :
 /usr/sbin/useradd \
  -u 102 -c 'e-smith web server' -d /home/e-smith \
  -G shared -M -s /bin/false www 2>/dev/null || :
 /usr/sbin/useradd \
  -u 101 -c 'e-smith administrator' -d /home/e-smith \
  -G shared,root,www -M -s /sbin/e-smith/console admin 2>/dev/null || :
 /usr/sbin/useradd \
  -u 103 -c 'e-smith guest' -d /home/e-smith \
  -G shared -M -s /bin/false public 2>/dev/null || :
 /usr/sbin/useradd \
  -u 1002 -c 'sme log user' -d /var/log/smelog \
  -M -s /bin/false smelog 2>/dev/null || :

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