uninstall.sh

#!/bin/bash
# Author:  yeho <lj2007331 AT gmail.com>
# Blog:  http://blog.linuxeye.com

# Check if user is root
[ $(id -u) != "0" ] && echo "Error: You must be root to run this script" && kill -9 $$

export PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
clear
echo "#######################################################################"
echo "#         LNMP for CentOS/RadHat 5+ Debian 6+ and Ubuntu 12+          #"
echo "#                           Uninstall LNMP                            #"
echo "# For more information Please visit http://blog.linuxeye.com/31.html  #"
echo "#######################################################################"
. ./options.conf

Uninstall()
{
[ -e "$db_install_dir" ] && service mysqld stop
[ -e "$php_install_dir" ] && service php-fpm stop
[ -e "$web_install_dir" ] && service nginx stop
[ -e "$pureftpd_install_dir" ] && service pureftpd stop
[ -e "$redis_install_dir" ] && service redis-server stop
[ -e "$memcached_install_dir" ] && service memcached stop

for D in `cat ./options.conf | grep dir= | grep -v lnmp | awk -F'=' '{print $2}' | sort | uniq`
do
        [ -e "$D" ] && rm -rf $D
done

[ -e "$web_install_dir" ] && rm -rf /etc/logrotate.d/nginx && [ -e "/var/ngx_pagespeed_cache" ] && rm -rf /var/ngx_pagespeed_cache
[ -e "$db_install_dir" ] && rm -rf /etc/my.cnf /etc/ld.so.conf.d/mysql.conf /usr/include/mysql 
sed -i 's@^lnmp_dir=.*@lnmp_dir=@' ./options.conf
sed -i 's@^web_install_dir=.*@web_install_dir=@' ./options.conf
sed -i 's@^db_install_dir=.*@db_install_dir=@' ./options.conf
sed -i 's@^db_data_dir=.*@db_data_dir=@' ./options.conf
sed -i 's@^dbrootpwd=.*@dbrootpwd=@' ./options.conf
sed -i 's@^ftpmanagerpwd=.*@ftpmanagerpwd=@' ./options.conf
sed -i 's@^conn_ftpusers_dbpwd=.*@conn_ftpusers_dbpwd=@' ./options.conf
sed -i "s@^export.*$db_install_dir.*@@g" /etc/profile && . /etc/profile
echo -e "\033[32mUninstall completed.\033[0m"
}

get_char() 
{ 
SAVEDSTTY=`stty -g` 
stty -echo 
stty cbreak 
dd if=/dev/tty bs=1 count=1 2> /dev/null 
stty -raw 
stty echo 
stty $SAVEDSTTY 
} 
 
echo 
echo -e "\033[31mYou will uninstall LNMP, Please backup your configure files and DB data! \033[0m"
echo 
echo -e "\033[33mThe following directory or files will be remove: \033[0m"
for D in `cat ./options.conf | grep dir= | grep -v lnmp | awk -F'=' '{print $2}' | sort | uniq` 
do
	[ -e "$D" ] && echo $D
done
[ -e "$web_install_dir" ] && echo -e "/etc/init.d/nginx\n/etc/logrotate.d/nginx" && [ -e "/var/ngx_pagespeed_cache" ] && echo '/var/ngx_pagespeed_cache'
[ -e "$db_install_dir" ] && echo -e "/etc/init.d/mysqld\n/etc/my.cnf\n/etc/ld.so.conf.d/mysql.conf\n/usr/include/mysql"
[ -e "$php_install_dir" ] && echo '/etc/init.d/php-fpm'
[ -e "$pureftpd_install_dir" ] && echo '/etc/init.d/pureftpd'
[ -e "$memcached_install_dir" ] && echo '/etc/init.d/memcached' 
[ -e "$redis_install_dir" ] && echo '/etc/init.d/redis-server' 
echo 
echo "Press Ctrl+c to cancel or Press any key to continue..."
char=`get_char`

while :
do
        echo
        read -p "Do you want to uninstall LNMP? [y/n]: " uninstall_yn
        if [ "$uninstall_yn" != 'y' -a "$uninstall_yn" != 'n' ];then
                echo -e "\033[31minput error! Please only input 'y' or 'n'\033[0m"
        else
                break
        fi
done

[ "$uninstall_yn" == 'y' ] && Uninstall