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Linux通过shell脚本备份系统的方法

时间:2021-07-01 10:21:17 帮助过:9人阅读

  在Linux中,备份系统的方法有很多,除了使用备份工具外,还能通过shell备份Linux系统,下面小编就给大家分享下备份Linux系统的shell脚本。

 Linux通过shell脚本备份系统的方法

  脚本如下:

  #!/bin/sh

  #Automatic Backup Linux System Files

  #Author wugk 2013-11-22

  #Define Variable

  SOURCE_DIR=(

  $*

  )

  TARGET_DIR=/data/backup/

  YEAR=`date +%Y`

  MONTH=`date +%m`

  DAY=`date +%d`

  WEEK=`date +%u`

  FILES=system_backup.tgz

  CODE=$?

  if

  [ -z “$*” ];then

  echo -e “Please Enter Your Backup Files or Directories\n--------------------------------------------\nExample $0 /boot /etc 。。。。。。”

  exit

  fi

  #Determine Whether the Target Directory Exists

  if

  [ ! -d $TARGET_DIR/$YEAR/$MONTH/$DAY ];then

  mkdir -p $TARGET_DIR/$YEAR/$MONTH/$DAY

  echo “This $TARGET_DIR is Created Successfully !”

  fi

  #EXEC Full_Backup Function Command

  Full_Backup()

  {

  if

  [ “$WEEK” -eq “7” ];then

  rm -rf $TARGET_DIR/snapshot

  cd $TARGET_DIR/$YEAR/$MONTH/$DAY ;tar -g $TARGET_DIR/snapshot -czvf $FILES `echo ${SOURCE_DIR[@]}`

  [ “$CODE” == “0” ]&&echo -e “--------------------------------------------\nThese Full_Backup System Files Backup Successfully !”

  fi

  }

  #Perform incremental BACKUP Function Command

  Add_Backup()

  {

  cd $TARGET_DIR/$YEAR/$MONTH/$DAY ;

  if

  [ -f $TARGET_DIR/$YEAR/$MONTH/$DAY/$FILES ];then

  read -p “These $FILES Already Exists, overwrite confirmation yes or no ? : ” SURE

  if [ $SURE == “no” -o $SURE == “n” ];then

  sleep 1 ;exit 0

  fi

  #Add_Backup Files System

  if

  [ $WEEK -ne “7” ];then

  cd $TARGET_DIR/$YEAR/$MONTH/$DAY ;tar -g $TARGET_DIR/snapshot -czvf $$_$FILES `echo ${SOURCE_DIR[@]}`

  [ “$CODE” == “0” ]&&echo -e “-----------------------------------------\nThese Add_Backup System Files Backup Successfully !”

  fi

  else

  if

  [ $WEEK -ne “7” ];then

  cd $TARGET_DIR/$YEAR/$MONTH/$DAY ;tar -g $TARGET_DIR/snapshot -czvf $FILES `echo ${SOURCE_DIR[@]}`

  [ “$CODE” == “0” ]&&echo -e “-------------------------------------------\nThese Add_Backup System Files Backup Successfully !”

  fi

  fi

  }

  Full_Backup;Add_Backup

  上面就是Linux使用shell脚本备份系统的方法介绍了,通过上面的脚本就能自动备份系统,但脚本可能还存在不足的地方,可自行改良优化。

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