NFS

NAS

Server

sudo apt-get update
sudo apt install nfs-common nfs-kernel-server portmap
sudo mkdir -p /data/tomcat
sudo chown nobody:nogroup /data/tomcat
sudo chmod 777 /data/tomcat

sudo vi /etc/exports

/mnt/sharedfolderdata/tomcat client1IP(*(rw,sync,no_subtree_check)
/mnt/sharedfolder client2IP(rw,sync,no_subtree_check)

서브넷 
/mnt/sharedfolder subnetIP/24(rw,sync,no_subtree_check)async,no_root_squash,no_subtree_check,no_root_squash)

sudo exportfs -a
sudo systemctl restart nfs-kernel-server

Client

sudo ufw allow from [clientIP or clientSubnetIP] to any port nfs
```
  sudo ufw allow from 192.168.56.1/24 to any port nfs
```
sudo ufw status
sudo apt-get update
sudo apt-get install nfs-common
sudo mkdir -p /data/tomcat
sudo mount 192.168.56.1:[nfs folder] [client folder]
```
 sudo mount 192.168.56.6:/data/tomcat /data/tomcat
```

fstab

 192.168.56.6:/data/tomcat /data/tomcat nfs rsize=8192,wsize=8192,timeo=14,intr

Backup

Host와 Guest의 공유 볼륨을 만든다. - 인터넷을 찾아서 동일하게 처리 https://helpdeskgeek.com/virtualization/virtualbox-share-folder-host-guest/
All you have to do is run your virtual machine and then click Devices and then Insert Guest Additions CD Image…

root로 실행하기

    vi /etc/cron.allow
    crontab -e 
    에디터를 변경하고 싶으면 select-editor

backup shell 만들기

export FinalBackupCnt=10
export FinalBackupDueDay=100
export BackupTarget=$1
export NOW=`date +%Y%m%d%H%m`
export FinalBackupDay=`date +%Y%m%d%H%m --date="$FinalBackupDueDay days ago"`
export BackupFolder=/host



# Backup Delete
DeleteBackupVm()
{

  echo "## Old $BackupTarget.tar backup file delete ! ##"
  TotalBackupCnt=`find $BackupFolder -name "*$BackupTarget.tar" | wc -l`
  echo ' >> Total backup files count = ' $TotalBackupCnt
  echo ' >> Final backup files remain count = ' $FinalBackupCnt
  TargetDeleteBackupCnt=`expr $TotalBackupCnt - $FinalBackupCnt`
  echo ' > Total backup files count - Final backup files count =' $TargetDeleteBackupCnt
  BackupAllFiles=$(find $BackupFolder -name "*$BackupTarget.tar" | awk -F "/" '{print $3}' | sort -n)


  cnt=1
  echo ' > ' $FinalBackupDueDay ' day before delete target snapshot list'
  for i in $BackupAllFiles
  do
    backupFileDate=`echo $i | awk -F "-" '{print $1}'`
    echo $cnt " : " $i
    if [ $backupFileDate -le $FinalBackupDay ]
    then
      echo "     DELETE!"
      if [ $TargetDeleteBackupCnt -ge $cnt ]
      then
           echo "     DELETEED! " $BackupFolder/$i
           rm $BackupFolder/$i
      else
           echo "     DELETE SKIP!"
      fi
    fi
  cnt=$(expr $cnt + 1)
  done
}


# Make Backup file
MakeBackUp()
{
  echo "Backup date is " $NOW
  tar cfP $BackupFolder/$NOW-$BackupTarget.tar /data/tomcat/$BackupTarget

}


echo "\n"
echo "=========== SNAPSHOT START ! ============="
echo ">> Backup Target : $BackupTarget"
echo ">> DATE : $NOW"
echo ">> Final Backup Due Day : $FinalBackupDueDay"
echo ">> Final Backup Day : $FinalBackupDay"

DeleteBackupVm
MakeBackUp

echo "============== $1 BACKUP END   ! ==========="
echo "\n"

Crontab -e 등록

0 4 2,9,16,23 * * /host/backup.sh meta >> /host/meta-backup.log
0 4 2,9,16,23 * * /host/backup.sh mysql >> /host/mysql-backup.log