email – nixCraft

Shell Script For Collecting Information on the Linux Network Configuration

in Networking last updated June 2, 2009

A Linux Shell script to collect information on your network configuration. Use this script to submit information to your sr. Linux / UNIX admin.

IP Camera Capture Shell Script

in Networking last updated February 10, 2009

A Shell Script to capture stuff from IP camera under UNIX / BSD / Linux operating systems.

Shell script to restart MySQL server if it is killed or not working

in Monitoring last updated April 15, 2019

A Shell script to restart MySQL server if it is killed or not working due to ANY causes.

Shell script to Finding Accounts with No Password ( null password account )

in Monitoring last updated April 10, 2008

A password is a form of secret authentication data that is used to control access to a resource. The password is kept secret from those not allowed access, and those wishing to gain access are tested on whether or not they know the password and are granted or denied access accordingly.

This script find out all accounts with null password.

#!/bin/bash
# Shell script to Finding Accounts with No Password
# Useful to improve system security
# Copyright (c) 2005 nixCraft project
# This script is licensed under GNU GPL version 2.0 or above
# For more info, please visit:
#            http://cyberciti.biz/shell_scripting/bmsinstall.php
# TODO
# - Disable all account w/o password
# - Send an email to admin 
# -------------------------------------------------------------------------
# This script is part of nixCraft shell script collection (NSSC)
# Visit http://bash.cyberciti.biz/ for more information.
# -------------------------------------------------------------------------
 
SPATH="/usr/local/etc/bashmonscripts"
INITBMS="$SPATH/defaults.conf"
[ ! -f $INITBMS ] && exit 1 || . $INITBMS
 
if ( isRootUser ); then
	$GREP -v -E "^#" $SHADOW_FILE | $AWK -F: '$2 == "" { print $1 }'
else
	echo "Permission denied [$($ID -u)]"
fi

Shell script to create list of backup files in ~/.mybackup file. Use with mybackup shell script

in Backup last updated April 9, 2008

#!/bin/bash
# mybackupadd - Add file to ~/.mybackup file, then backup and email all
# file as tar.gz to your email a/c.
#
# Usage   : ./mybackupadd ~/public_html/
#
# Copyright (C) 2004 nixCraft project
# Email   : http://cyberciti.biz/fb/
# Date    : Aug-2004
# -------------------------------------------------------------------------
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
# -------------------------------------------------------------------------
# This script is part of nixCraft shell script collection (NSSC)
# Visit http://bash.cyberciti.biz/ for more information.
# -------------------------------------------------------------------------
 
FILE=~/.mybackup
MYH=~
CWD=`pwd`
SRC=$1
 
if [ "$SRC" == "" ]; then
  echo "Must supply dir or file name"
  exit 1
fi  
# if list $FILE does not exist
[ ! -f $FILE ] && touch $FILE || :
 
# make sure that file or dir exists to backup
if [ ! -f $SRC ]; then
   if [ ! -d $SRC ]; then
      echo "$SRC does not exists"
      exit 2
   fi
fi
# make sure we don't do add duplicate stuff
cat $FILE | grep -w $SRC > /dev/null
if [ "$?" == "0" ]; then
   echo "$SRC exists in $FILE"
   exit 3
fi 
# okay now add that to backup list
echo "$SRC" >> $FILE
echo "$SRC added to $FILE"