NFS

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 
 /data/tomcat *(rw,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