12) 쉘 프로그래밍 실습 2

*원격 서버의 자동 명령어 수행
 #vi telnet.sh

 #chmod 755 telnet.sh
 #telnet.sh

*특정 경로의 파일 확장자 변경
 #vi move.filename.sh

 #chmod 755 move.filename.sh
 #move.filename.sh /root/bin txt els

*환경 설정 스크립트
 #vi ENV_main.sh
 --------ENV_main.sh----------
 /root/bin/ENV1.sh
 /root/bin/ENV2.sh
 /root/bin/ENV3.sh
 ----------------------------
 #chmod 755 ENV_main.sh

 #vi ENV1.sh (telnet, ssh Open서비스 진행)
 ------------ENV1.sh------------
 #!/bin/bash
 # (1) Telnet Service Open 
 echo "--------ENV1.sh---------"
 service xinetd restart > /dev/null 2>&1
 chkconfig krb5-telnet on
 if [ $? -eq 0 ] ; then
 echo "[  ok  ] : Phase 1(telnet)"
 else
 echo "[ FAIL ] : Phase 1(telnet)"
 exit 1
 fi
 #for i in `seq 1 11`
 #do
 # grep pts/$i /etc/securetty
 # if [ $? -eq 1 ] ; then
 #  echo "pts/$i" >> /etc/securetty
 #  echo "pts/$i is in /etc/securetty"
 # fi
 #done
 if ! grep pts /etc/securetty > /dev/null 2>&1 ; then
 for i in `seq 1 11`
 do
  echo "pts/$i" >> /etc/securetty
 done
 else
 echo "InputError : /etc/securetty already 'pts'" 
 fi
 # (2) vsftpd service open
 chkconfig vsftpd on
 service vsftpd restart > /dev/null 2>&1
 if [ $? -eq 0 ] ; then
 echo "[  ok  ] : Phase 2(ftp)"
 else
 echo "[ FAIL ] : Phase 2(ftp)"
 exit 1
 fi 
 sed -i '/^root/d' /etc/vsftpd/ftpusers
 sed -i '/^root/d' /etc/vsftpd/user_list
 ---------------------------------
 #chmod 755 ENV1.sh
 
 #vi ENV2.sh (bashrc에 입력)
 ----------ENV2.sh-------------
 #!/bin/bash
 BASHRC1=/root/bin/bashrc
 cat << EOF > $BASHRC1
 # .bashrc
 # User specific aliases and functions
 alias rm='rm -i'
 alias cp='cp -i'
 alias mv='mv -i'
 # Source global definitions
 if [ -f /etc/bashrc ]; then
        . /etc/bashrc
 fi
 alias c='clear'
 alias ls='/bin/ls --color=tty -h'
 alias grep='/bin/grep --color -i'
 alias vi='/usr/bin/vim'
 alias df='df -T -h'
 alias dff='df -T -h ; echo ; df -i'
 alias pss='ps -ef | head -1 ; ps -ef | grep $1'
 alias pp='chmod 755 /root/bin/*.sh'
 export PS1='\[\033[32m\][\h@\w]\[\033[00m\]\$ '
 export HISTTIMEFORMAT='%C %T '
 set -o vi
 EOF
 echo "--------ENV2.sh---------"
 if [ $? -eq 0 ] ; then
 echo "[  ok  ] : Phase 3(bashrc)"
 else
 echo "[ FAIL ] : Phase 3(bashrc)"
 fi
 -----------------------------
 #chmod 755 ENV2.sh

 #vi ENV3.sh (gcc패키지 설치)
 --------ENV3.sh---------------
 #!/bin/bash
 echo "--------ENV3.sh---------"
 for PKG in gcc
 do
 yum -y install $PKG | grep 'No package'
 if [ $? -eq 0 ] ; then
  echo "[ FAIL ] : Phase 4($PKG)"
 else
  echo "[  Ok  ] : Phase 4($PKG)" 
 fi
 done
 ------------------------------
 #chmod 755 ENV3.sh
 #ENV_main.sh