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ÒÔrootÓû§£º
passwd <username>
Changing passWord
for user dewang.
New UNIX passWord
:
BAD PASSWord
: it is too short
Retype new UNIX password:
passwd: all authentication tokens updated successfully.
ÒÔ·ÇrootÓû§ÐÞ¸Ä×Ô¼ºµÄÃÜÂ루עºóÃæ²»ÄܸúÓû§Ãû£¬Ö»ÓÐrootÓû§²ÅÔÊÐí£©£º
passwd
Changing password for user dewang.
Changing password for dewang
(current) UNIX password:
New UNIX password:
Retype new UNIX password:
passwd: all authentication tokens updated successfully.
2¡¢·Ç½»»¥ÅäÖñ¾µØÓû§£º
echo <newpasswd> | passwd --stdin <username>
»ò
echo <username>:<passwd> | chpasswd
»ò
½«<username>:<passwd>¶ÔÏÈдµ½Ò»Îļþpasswd.tmpÖУ¬È»ºóÖ´ÐÐ
chpasswd < passwd.tmp
3¡¢×Ô¶¯½Å±¾´¦Àí£º
¸ù¾ÝpasswdÃüÁîÐÞ¸ÄÓû§ÃÜÂ룬¸ñʽΪ£ºxxx.sh <username> <passwd>
#!/bin/sh
# \
exec expect -f "$0" ${1+"$@"}
if { $argc != 2 } {
    puts "Usage: $argv0 <username> <passwd>"
    exit 1
}
set password [lindex $argv 1]
spawn passwd [lindex $argv 0]
sleep 1
expect "assword:"
send "$password\r"
expect "assword:"
send "$password\r"
expect eof
˵Ã÷£ºÈç¹ûҪͨ¹ýshellÖ±½Óµ÷ÓÃexpectÏà¹ØÃüÁÔò¿ªÍ·ÖбØÐëÊÇÈçϸñʽ£¬È»ºóºóÃæ¼´¿É°´ÕÕexpect¡¢TCL¸ñʽÊéдÁË¡£
#!/bin/sh
# \
exec expect -f "$0" ${1+"$@"}
¸ù¾Ýecho <newpasswd> | passwd --stdin <username> ¼° echo <username>:<passwd> | chpasswdÀ´ÐÞ¸ÄÓû§ÃÜÂ룺
#!/bin/sh
if [ $# -ne 2 ] ; then
    echo "Usage: `basename $0` <username> <passwd>"
    exit 1
fi
#echo "$2" | passwd --stdin "$1"
echo "$1:$2" | chpasswd
if [ $? -eq 0 ] ; then
    echo "change password for $1 success"
else
    echo "change password for $1 failed"
fi


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