Contents
1. System backup
1.1 Backup under /var/www/html
①Create the backup_all.sh script under /opt/script/
|
1 |
# vi /opt/script/backup_all.sh |
backup_all.sh script contents
10-day data retention
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 |
#!/bin/bash # Date-related processing TODAY=`/bin/date +%Y%m%d` DAY_AGO=`/bin/date --date '10day ago' +%Y%m%d` # Backup Source Related HTML_DIR="/var/www/html" # Output Files BACKUP_DIR="/var/www/backup/www_bak" # Backup file destination RUN_FLAG="/var/www/backup/www_bak/www_flag" # Backup process /bin/mkdir -p ${BACKUP_DIR} /bin/touch ${RUN_FLAG} /bin/tar vfcz ${BACKUP_DIR}/www_back_${TODAY}.tar.gz ${HTML_DIR} /bin/chmod 644 ${BACKUP_DIR}/www_back_${TODAY}.tar.gz if [ -f ${BACKUP_DIR}/www_back_${DAY_AGO}.tar.gz ]; then /bin/rm -f ${BACKUP_DIR}/www_back_${DAY_AGO}.tar.gz fi /bin/rm -f ${RUN_FLAG} |
➁Create a directory to store backup files
|
1 2 3 |
# chmod 777 /opt/script/backup_all.sh # mkdir -p /var/www/backup/www_bak # chmod 777 /var/www/backup/www_bak |
➂Add a setting to cron to perform regular backups.
|
1 2 |
# crontab -e 0 6 * * * /opt/script/backup_all.sh > /dev/null 2>&1 |
1.2 MySQL Database Backup
①Create the db_backup.sh script under /opt/script
|
1 |
# vi /opt/script/db_backup.sh |
db_backup.sh script contents
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 |
#!/bin/bash export LANG=ja_JP.eucJP export PATH="$PATH":/usr/bin export MYSQL_HOME=/etc/mysql export MYLIB=/usr/lib/mysql export MANPATH=":wq/usr/share/man" export LD_LIBRARY_PATH="${LD_LIBRARY_PATH}":"MYLIB" # MySQL Connection Settings MYUSER="root" # MySQL connection username MYPASS="********" # MySQL connection password # Date-related processing TIME_STRING=`/bin/date '+%Y%m%d'` DAY_AGO=`/bin/date --date '10day ago' +%Y%m%d` # Output Files DB_BAK_DIR="/var/www/backup/db_bak" # Backup file destination RUN_FLAG="${DB_BAK_DIR}/db_my_flag" MYSQL_BACKUP_FILE=${DB_BAK_DIR}/mysql_backup_"${TIME_STRING}".dump # Backup process /bin/mkdir -p ${DB_BAK_DIR} /bin/touch ${RUN_FLAG} mysqldump -u${MYUSER} -p${MYPASS} --all-databases --events > ${MYSQL_BACKUP_FILE} /bin/gzip ${MYSQL_BACKUP_FILE} if [ -f ${DB_BAK_DIR}/${MT_DB}"${DAY_AGO}".dump.gz ]; then /bin/rm -f ${DB_BAK_DIR}/${MT_DB}"${DAY_AGO}".dump.gz fi if [ -f ${DB_BAK_DIR}/${XOOPS_DB}"${DAY_AGO}".dump.gz ]; then /bin/rm -f ${DB_BAK_DIR}/${XOOPS_DB}"${DAY_AGO}".dump.gz fi if [ -f ${DB_BAK_DIR}/${GEEKLOG_DB}"${DAY_AGO}".dump.gz ]; then /bin/rm -f ${DB_BAK_DIR}/${GEEKLOG_DB}"${DAY_AGO}".dump.gz fi /bin/rm -f ${RUN_FLAG} |
➁Create a directory to store backup files
|
1 2 3 |
# chmod 777 /opt/script/db_backup.sh # mkdir -p /var/www/backup/db_bak # chmod 777 /var/www/backup/db_bak |
③Add a setting to cron to perform regular backups.
|
1 2 |
# crontab -e 0 7 * * * /opt/script/db_backup.sh > /dev/null 2>&1 |
2. System Restore
2.1 Restoring Backup Files Under HTML
Store the HTML backup file used for backups in the "/" (root) directory.
Select the backup file with the most recent timestamp.
(Example : www_back_20260424.tar.gz)
|
1 2 3 4 |
# cd /var/www/backup/www_bak # cp www_back_20260424.tar.gz / # cd / # tar zxvf www_back_20260424.tar.gz |
2.2 Restore MySQL Database
①Save the DB backup file to any directory and extract the data.
|
1 2 |
# cd /var/www/backup/db_bak # gzip -d mysql_backup_20260424.dump.gz |
②Restore MySQL
|
1 2 |
# mysql -u root -p < mysql_backup_20260424.dump Enter password: ←MySQL root password |