1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | #!/bin/bash # Script to update user password in batch mode # You must be a root user to use this script # ------------------------------------------------------------------------- # Copyright (c) 2005 nixCraft project # This script is licensed under GNU GPL version 2.0 or above # ------------------------------------------------------------------------- # This script is part of nixCraft shell script collection (NSSC) # Visit http://bash.cyberciti.biz/ for more information. # ---------------------------------------------------------------------- # /root is good place to store clear text password FILE="/root/batch.passwd" # get all non-root user account # By default on most linux non-root uid starts # from 1000 USERS=$(awk -F: '{ if ( $3 > 1000 ) print $1}' /etc/passwd) # create file with random password echo "Generating file, please wait..." # overwrite file, this is bash specific a better solution is cat > $FILE >$FILE for u in $USERS do p=$(pwgen -1 -n 8) # create random password echo "$u:$p" >> $FILE # save USERNAME:PASSWORD pair done echo "" echo "Random password and username list stored in $FILE file" echo "Review $FILE file, once satisfied execute command: " echo "chpasswd < $FILE" # Uncomment following line if you want immediately update all users password, # be careful with this option, it is recommended that you review $FILE first # chpasswd < $FILE |
Shell Script To Build dnstop Utility To Displays Various Tables Of DNS Server Traffic
in Categories Software Build Scripts last updated March 5, 2010A shell script to build dnstop utility to displays various tables of DNS traffic on your network including bind 9 server stats under RHEL / Fedora / CentOS / Redhat Linux.