在Linux实例上自动安装并运行VNC Server

#!/bin/bash##########################################Function:    install vnc server#Usage:       bash install_vnc_server.sh#Author:      Customer service department#Company:     Alibaba Cloud Computing#Version:     3.0#########################################check_os_release(){  while true  do    os_release=$(grep "Red Hat Enterprise Linux Server release" /etc/issue 2>/dev/null)    os_release_2=$(grep "Red Hat Enterprise Linux Server release" /etc/redhat-release 2>/dev/null)    if [ "$os_release" ] && [ "$os_release_2" ]    then      if echo "$os_release"|grep "release 5" >/dev/null 2>&1      then        os_release=redhat5        echo "$os_release"      elif echo "$os_release"|grep "release 6" >/dev/null 2>&1      then        os_release=redhat6        echo "$os_release"      else        os_release=""        echo "$os_release"      fi      break    fi    os_release=$(grep "Aliyun Linux release" /etc/issue 2>/dev/null)    os_release_2=$(grep "Aliyun Linux release" /etc/aliyun-release 2>/dev/null)    if [ "$os_release" ] && [ "$os_release_2" ]    then      if echo "$os_release"|grep "release 5" >/dev/null 2>&1      then        os_release=aliyun5        echo "$os_release"      elif echo "$os_release"|grep "release 6" >/dev/null 2>&1      then        os_release=aliyun6        echo "$os_release"      elif echo "$os_release"|grep "release 7" >/dev/null 2>&1      then        os_release=aliyun7        echo "$os_release"      else        os_release=""        echo "$os_release"      fi      break    fi    os_release_2=$(grep "CentOS" /etc/*release 2>/dev/null)    if [ "$os_release_2" ]    then      if echo "$os_release_2"|grep "release 5" >/dev/null 2>&1      then        os_release=centos5        echo "$os_release"      elif echo "$os_release_2"|grep "release 6" >/dev/null 2>&1      then        os_release=centos6        echo "$os_release"      elif echo "$os_release_2"|grep "release 7" >/dev/null 2>&1      then        os_release=centos7        echo "$os_release"      else        os_release=""        echo "$os_release"      fi      break    fi    os_release=$(grep -i "ubuntu" /etc/issue 2>/dev/null)    os_release_2=$(grep -i "ubuntu" /etc/lsb-release 2>/dev/null)    if [ "$os_release" ] && [ "$os_release_2" ]    then      if echo "$os_release"|grep "Ubuntu 10" >/dev/null 2>&1      then        os_release=ubuntu10        echo "$os_release"      elif echo "$os_release"|grep "Ubuntu 12.04" >/dev/null 2>&1      then        os_release=ubuntu1204        echo "$os_release"      elif echo "$os_release"|grep "Ubuntu 12.10" >/dev/null 2>&1      then        os_release=ubuntu1210        echo "$os_release"     elif echo "$os_release"|grep "Ubuntu 14.04" >/dev/null 2>&1     then        os_release=ubuntu1204        echo "$os_release"       else        os_release=""        echo "$os_release"      fi      break    fi    os_release=$(grep -i "debian" /etc/issue 2>/dev/null)    os_release_2=$(grep -i "debian" /proc/version 2>/dev/null)    if [ "$os_release" ] && [ "$os_release_2" ]    then      if echo "$os_release"|grep "Linux 6" >/dev/null 2>&1      then        os_release=debian6        echo "$os_release"      elif echo "$os_release"|grep "Linux 7" >/dev/null 2>&1      then        os_release=debian7        echo "$os_release"      else        os_release=""        echo "$os_release"      fi      break    fi    break    done}exit_script(){  echo -e "\033[1;40;31mInstall $1 error,will exit.\n\033[0m"  rm -f $LOCKfile  exit 1}update_source(){  wget "http://docs-aliyun.cn-hangzhou.oss.aliyun-inc.com/assets/attach/41177/cn_zh/1504061676920/update_source.sh" -O update_source.tgz  tar -zxvf update_source.tgz  bash update_source.sh}rhel5_vnc_config(){cat >$vnc_xstartup_config<<EOF#!/bin/sh# Uncomment the following two lines for normal desktop:# unset SESSION_MANAGER# exec /etc/X11/xinit/xinitrc[ -x /etc/vnc/xstartup ] && exec /etc/vnc/xstartup[ -r \$HOME/.Xresources ] && xrdb \$HOME/.Xresourcesxsetroot -solid greyvncconfig -iconic &xterm -geometry 80x24+10+10 -ls -title "\$VNCDESKTOP Desktop" &#twm &gnome-session &EOFcat >$vnc_sysconfig_vncservers<<EOF# The VNCSERVERS variable is a list of display:user pairs.## Uncomment the lines below to start a VNC server on display :2# as my 'myusername' (adjust this to your own).  You will also# need to set a VNC password; run 'man vncpasswd' to see how# to do that.## DO NOT RUN THIS SERVICE if your local area network is# untrusted!  For a secure way of using VNC, see# <URL:http://www.uk.research.att.com/archive/vnc/sshvnc.html>.# Use "-nolisten tcp" to prevent X connections to your VNC server via TCP.# Use "-nohttpd" to prevent web-based VNC clients connecting.# Use "-localhost" to prevent remote VNC clients connecting except when# doing so through a secure tunnel.  See the "-via" option in the# 'man vncviewer' manual page.# VNCSERVERS="2:myusername"# VNCSERVERARGS[2]="-geometry 800x600 -nolisten tcp -nohttpd -localhost"VNCSERVERS="1:root"EOF}check_selinux_config(){  if grep "SELINUX=enforcing" $selinux_config >/dev/null 2>&1  then    sed -i 's/SELINUX=enforcing/SELINUX=disabled/' $selinux_config  fi}centos5_install_vnc_server(){  if [ "$1" == "redhat5" ]  then    if rpm -qa|grep redhat-logos >/dev/null 2>&1    then      yum remove $(rpm -qa|grep redhat-logos) -y    fi  fi  if yum grouplist "GNOME Desktop Environment"|grep "Available" >/dev/null 2>&1  then    if ! yum groupinstall "GNOME Desktop Environment" -y    then      exit_script "GNOME Desktop Environment"    fi  fi  if ! rpm -q vnc-server >/dev/null 2>&1  then    if ! yum install vnc-server -y    then      exit_script vnc-server    fi    vncserver <<EOF$password$passwordEOF  else    vncpasswd <<EOF$password$passwordEOF  fi  vncserver -kill :1  service vncserver stop  service pcscd stop  chkconfig --del pcscd  yum remove esc -y  rhel5_vnc_config  chmod 755 $vnc_xstartup_config  chkconfig --level 345 vncserver on  service NetworkManager stop  chkconfig --del NetworkManager  check_selinux_config  sleep 20  service vncserver start}centos6_install_vnc_server(){  if yum grouplist "X Window System"|grep "Available" >/dev/null 2>&1  then    if ! yum groupinstall "X Window System" -y    then      exit_script "X Window System"    fi  fi  if yum grouplist "Desktop"|grep "Available" >/dev/null 2>&1  then    if ! yum groupinstall "Desktop" -y    then      exit_script Desktop    fi  fi  if yum grouplist "Chinese Support"|grep "Available" >/dev/null 2>&1  then    if ! yum groupinstall "Chinese Support" -y    then      exit_script "Chinese Support"    fi  fi  if ! rpm -q tigervnc-server >/dev/null 2>&1  then    if ! yum install tigervnc-server -y    then      exit_script tigervnc-server    fi    vncserver <<EOF$password$passwordEOF  else    vncpasswd <<EOF$password$passwordEOF  fi  vncserver -kill :1  service vncserver stop  service pcscd stop  chkconfig --del pcscd  yum remove esc -y  sed -i 's/.*!= root.*/#&/' /etc/pam.d/gdm   dbus-uuidgen >/var/lib/dbus/machine-id  rhel5_vnc_config  chmod 755 $vnc_xstartup_config  chkconfig --level 345 vncserver on  service NetworkManager stop  chkconfig --del NetworkManager  sleep 20  service vncserver start  check_selinux_config}centos7_install_vnc_server(){  if ! yum groupinstall "GNOME Desktop" "Graphical Administration Tools" -y  then    exit_script "NOME Desktop Graphical Administration Tools"  fi  if ! yum install tigervnc-server -y  then    exit_script "tigervnc-server"  fi  cp /lib/systemd/system/vncserver@.service /lib/systemd/system/vncserver@\:1.service  sed -i 's/%i/:1/g' /lib/systemd/system/vncserver@\:1.service  sed -i 's/<USER>/root/g' /lib/systemd/system/vncserver@\:1.service  sed -i 's/home\/root/root/g' /lib/systemd/system/vncserver@\:1.service  vncpasswd <<EOF$password$passwordEOF  systemctl enable vncserver@:1.service  systemctl start vncserver@:1.service  systemctl status vncserver@:1.service  systemctl disable initial-setup-text.service}ubuntu_install_vnc_server(){  if ! dpkg -s lxde >/dev/null 2>&1  then    if ! apt-get install lxde -y --force-yes --fix-missing    then      exit_script lxde    fi  fi  if ! dpkg -s ttf-arphic-uming >/dev/null 2>&1  then    if ! apt-get install ttf-arphic-uming -y --force-yes --fix-missing    then      exit_script ttf-arphic-uming    fi  fi  if ! dpkg -s vnc4server >/dev/null 2>&1  then    if ! apt-get install vnc4server -y --force-yes --fix-missing    then      exit_script vnc4server    fi    vncserver <<EOF$password$passwordEOF  else    vncpasswd <<EOF$password$passwordEOF  fi  vncserver -kill :1  sed -i 's/x-window-manager \&/startlxde \&/' $vnc_xstartup_config  sed -i '/vncserver/d' $rc_local  sed -i 's/^exit 0$/su root \-c "\/usr\/bin\/vncserver \-name my-vnc-server \-geometry 1280x800 \:1"\nexit 0/' $rc_local  sleep 5  vncserver}####################Start####################check lock file ,one time only let the script run one time LOCKfile=/tmp/.$(basename $0)if [ -f "$LOCKfile" ]then  echo -e "\033[1;40;31mThe script is already exist,please next time to run this script.\n\033[0m"  exitelse  echo -e "\033[40;32mStep 1.No lock file,begin to create lock file and continue.\n\033[40;37m"  touch $LOCKfilefi#check userif [ $(id -u) != "0" ]then  echo -e "\033[1;40;31mError: You must be root to run this script, please use root to install this script.\n\033[0m"  rm -f $LOCKfile  exit 1fivnc_xstartup_config=/root/.vnc/xstartupvnc_sysconfig_vncservers=/etc/sysconfig/vncserversselinux_config=/etc/selinux/configrc_local=/etc/rc.localpassword=$(cat /dev/urandom | head -1 | md5sum | head -c 6)echo -e "\033[40;32mStep 2.Begen to check the OS issue.\n\033[40;37m"os_release=$(check_os_release)if [ "X$os_release" == "X" ]then  echo -e "\033[1;40;31mThe OS does not identify,So this script is not executede.\n\033[0m"  rm -f $LOCKfile  exit 0else  echo -e "\033[40;32mThis OS is $os_release.\n\033[40;37m"fiecho -e "\033[40;32mStep 3.Begen to modify the source configration file and update.\n\033[40;37m"update_sourceecho -e "\033[40;32mStep 4.Begen to check and install vnc server.\n\033[40;37m"case "$os_release" inredhat5|centos5|aliyun5)  centos5_install_vnc_server $os_release  ;;redhat6|centos6|aliyun6)  centos6_install_vnc_server  ;;centos7)  centos7_install_vnc_server  ;;ubuntu10|ubuntu1204|ubuntu1210|debian6)  ubuntu_install_vnc_server  ;;esacecho -e "\033[40;32mInstall success.The vnc password is \"$password\",this script now exit!\n\033[40;37m"rm -f $LOCKfile