#!/bin/sh
#Because I break my system so many time. I decided to write my firt script to quickly customize things once
#Slackware is installed.
#One assumption I made is that all of my backup files are in their current locations on my usb drive.
#most of the files are located in /backup/Dennis/linux/ directory
#I gave simple explinations so I dont forget what each part is for.


#User input function to see if users agree to each step.
function question ()
 {
N=1
 while test "$N" -le "3"
 do
echo "Do you want to $TITLE ? y/n"; read X

case $X in
	y|Y|Yes|YES)
		OUTCOME="y"
		break
	;;
	
	n|N|No|NO)
		OUTCOME="n"
		break
	;;
	
	*)
		echo "You did not select y or n"
		OUTCOME="n"
	;;
esac
	
         echo "You have 3 tries you are on number $N"
if test "$N" = "3" ; then
	echo "You did not select yes so your answer will be considered NO!"
fi
	N=$[N+1]
	
         
 done
	
}

#checking who is executing this script
WHO=`whoami`
if test $WHO != "root"; then
echo "You need to be in root to execute this script!"
exit
fi

#Confirming mounting usb drive. 
echo "***Mounting backup files ***"
if test -e /backup = "" ;  then
	mkdir /backup
	MYDISK=`fdisk -l | grep 11918  | grep -o '/dev/sd..'`
fi

# unmount the default mount of /media/disk or /media/disk-1
umount "$MYDISK" 
mount "$MYDISK" /backup
#test to see if disk exists. 
if test "$MYDISK" = "" ; then
	echo "***You need the usb WD drive to run this script***"
	exit
fi

 
echo "***Install essential dellfand first***"
#prevents overheating of cpu
cp /backup/Dennis/linux/tar/* /usr/local/src
tar jxf /usr/local/src/dellfand-0.9.tar.bz2
cd /usr/local/src/dellfand-0.9 ; make
./dellfand 1 10 38 39 45
chmod +x dellfand ; cp dellfand /usr/local/bin/
echo "dellfand 1 10 38 39 45"


echo "***Installing Custom Startup Scripts and custom files***" 
cp /etc/rc.d/rc.local /etc/rc.d/rc.local.BAK
cp /etc/rc.d/rc.inet1.conf /etc/rc.d/rc.inet1.conf.BAK
cp /etc/rc.d/rc.wireless.conf /etc/rc.d/rc.wireless.conf.BAK
cp /etc/wpa_supplicant.conf /etc/wpa_supplicant.conf.BAK
cp /etc/modprobe.d/blacklist /etc/modprobe.d/blacklist.BAK
cp /etc/samba/smb.conf /etc/samba/smb.conf.BAK
cp /etc/cup/printers.conf /etc/cup/printers.conf.BAK
cp /etc/sudoers /etc/sudoers.BAK
cp /backup/Dennis/linux/administration/custom_file_backups/rc.* /etc/rc.d
cp /backup/Dennis/linux/administration/custom_file_backups/wpa_supplicant.conf /etc/
cp /backup/Dennis/linux/administration/custom_file_backups/blacklist /etc/modprobe.d/
cp /backup/Dennis/linux/administration/custom_file_backups/bash /root/.bashrc
cp /backup/Dennis/linux/administration/custom_file_backups/smb.conf /etc/samba/
cp /backup/Dennis/linux/administration/custom_file_backups/printers.conf /etc/cups/
cp /backup/Dennis/linux/administration/wallpaper/*.jpg /usr/share/wallpapers/
chmod -x /etc/profile.d/bsd-games-login-fortune.sh

#Editing /etc/sudoers for the purpose of adding shutdown group so users
#can shut off the computer. 
chmod +w /etc/sudoers
echo "%wheel ALL=(ALL)       NOPASSWD: ALL" >> /etc/sudoers
echo "***Adding shutdown group for users to shut down***"
groupadd shutdown
echo "%shutdown localhost=/sbin/shutdown -h now" >> /etc/sudoers
echo "%shutdown localhost=/sbin/reboot" >> /etc/sudoers
chown root:shutdown /sbin/halt
chown root:shutdown /sbin/poweroff
chown root:shutdown /sbin/reboot
chown root:shutdown /sbin/shutdown
chmod 440 /etc/sudoers


# Use wicd instead of stock /etc/rc.d/inet1 network connections
TITLE="disable slackware and install WICD"
question
if test "$OUTCOME" = "y" ; then
	chmod -x /etc/rc.d/rc.inet1
	installpkg /backup/Dennis/linux/wireless/wicd*.tgz
	echo "ifconfig lo up" >> /etc/rc.d/rc.local

fi

#Install personal packages from usb hdd
TITLE="install personal packages"
question
if test "$OUTCOME" = "y" ; then
	installpkg /backup/Dennis/linux/tgz/*.tgz
	cp /backup/Dennis/linux/administration/custom_file_backups/kismet.conf /etc/kismet/
 fi

#Install games from usb hdd
TITLE="install games"
question
if test "$OUTCOME" = "y" ; then
	installpkg /backup/Dennis/linux/games/*.tgz
 fi

#***Adding users***
TITLE="add a user"
question
while test "$OUTCOME" = "y"
 do
	echo "Add a user name";read NM
	useradd -g users -G slocate,disk,cdrom,plugdev,sys,lp,shutdown -d /home/"$NM"/ -s /bin/bash -m "$NM"
	cp /backup/Dennis/linux/administration/custom_file_backups/bash /home/"$NM"/.bashrc
	cp /backup/Dennis/linux/administration/custom_file_backups/bash_profile /home/"$NM"/.bash_profile
	cp /backup/Dennis/linux/wine/backup/fullbackup.wine.tar.bz2 /home/"NM"/
	cp /backup/Dennis/linux/wine/e-Sword.desktop /home/"$NM"/Desktop/e-Sword
	tar -jxf /home/"$NM"/fullbackup.wine.tar.bz2
	rm /home/"$NM"/fullbackup.wine.tar.bz2
		TITLE="give sudoer privlidges"
		question
		if test "$OUTCOME" = "y" ; then
			useradd -G wheel "$NM"	
		fi
		#strictly for user dp
		if test "$NM" = "dp" ; then
		mkdir /home/dp/docs ; mkdir /home/dp/down
		cp -R /backup/Dennis/docs/OfficeAdmin /home/dp/docs/
		mkdir /home/dp/docs/Estimating ; mkdir /home/dp/docs/Billing ; mkdir /home/dp/docs/Contracts
		fi

	chown "$NM":users -R /home/"$NM"/
	Y="Do you want to add a password now"
	question

		if test "$OUTCOME" = "y" ; then
			passwd "$NM"
		fi
TITLE="Do you want to add another user?"
question 
 done

#add network printer
#This part needs ammending
#any suggestions???
TITLE="add a network printer"
question
if test "$OUTCOME" = "y" ; then
	lpadmin -p HP_OfficeL7580 -v smb://MOM/HPOffice
	lpadmin -d HP_OfficeL7580
fi


#adding colors to bash
TITLE="add colors"
question
#Thanks to woodsman at LQ
if test "$OUTCOME" = "y" ; then
	echo "Adding boot message colors"
	cp /backup/Dennis/linux/administration/custom_file_backups/add_colors/shell-colors /etc/shell-colors
	cp /backup/Dennis/linux/administration/custom_file_backups/add_colors/update-issue /usr/local/sbin/update-issue
	/usr/local/sbin/update-issue
	echo "Adding color to grep"
	echo "# Add color to grep" >> /etc/profile
	echo "GREP_OPTIONS='--color=auto'" >> /etc/profile
	echo "GREP_OPTIONS='--color=auto'" >> /etc/profile
	echo "GREP_COLOR='1;32'" >> /etc/profile
	echo "Adding color to man pages"
	echo "# Add color for man pages" >> /etc/profile
	echo "export PAGER=\"most\"">> /etc/profile
fi

#Providing the option to boot to gui.
TITLE="Do you want to boot to the gui (KDE)"
question
if test "$OUTCOME" = "y" ; then
	cp /etc/inittab /etc/inittab.BAK
	cat /etc/inittab | sed -e 's/id:3:initdefault:/id:4:initdefault:/' \
 	> /tmp/inittab
	mv /tmp/inittab /etc/inittab
fi

root@jupiter:~/changes# cat 007_lang.sh           
#!/bin/bash
#
#   Configure locale.

# For sh, ksh, bash

sed -i -e "s/^export LANG=en_US/export LANG=en_GB/" /etc/profile.d/lang.sh

# For csh

sed -i -e "s/^setenv LANG en_US/setenv LANG en_GB/" /etc/profile.d/lang.csh
root@jupiter:~/changes#

al@P5Q:~$ cat ~/bin/plclh
#!/usr/bin/perl

print <<STUFF;
# tr/\xA0/ /
perl -pi.bak -e 'tr/\\xA0/ /' filenames*

# all files in a folder
find YourDirectory -type f -print0 | xargs -0 sed -i 's/xxxx/yyyyy/g'

find . | xargs perl -p -i.bak -e 's/oldstring/newstring/g'

perl  -e 's/string/stringier/gi'  -p  -i.bak  *.html

via commandline, runs that command, replaces string with
stringier using g global and i insensitive options.
Operates on all .html files in a folder (CWD) also makes
a backup of each file prior to the operation.

# tested s/print/unlink/ to delete files
perl -MFile::Find -e 'find sub { print if /\\.txt\$/} , shift || "."'

# from cur wrk dir, recursively deletes the dir "dir_name" and underneath
perl -MFile::Path -e 'rmtree("dir_name")'

STUFF

# end

if [ ! "$(whoami)" = "root" ]; then

if [ -d /backup]; then

if ! grep "^%wheel.*ALL=(ALL).*NOPASSWD:.*ALL" /etc/sudoers"; then
  echo "%wheel ALL=(ALL)       NOPASSWD: ALL" >> /etc/sudoers
  echo "***Adding shutdown group for users to shut down***"
fi

grep "^%wheel[:space:]*ALL=(ALL)[:space:]*NOPASSWD:[:space:]*ALL"

chown root:power /sbin/{shutdown,halt}
chmod 4750 /sbin/{shutdown,halt}