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Postgresql daily backup script.
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| #!/bin/bash | |
| # | |
| # Backup a Postgresql database into a daily file. | |
| # | |
| BACKUP_DIR=/pg_backup | |
| DAYS_TO_KEEP=14 | |
| FILE_SUFFIX=_pg_backup.sql | |
| DATABASE= | |
| USER=postgres | |
| FILE=`date +"%Y%m%d%H%M"`${FILE_SUFFIX} | |
| OUTPUT_FILE=${BACKUP_DIR}/${FILE} | |
| # do the database backup (dump) | |
| # use this command for a database server on localhost. add other options if need be. | |
| pg_dump -U ${USER} ${DATABASE} -F p -f ${OUTPUT_FILE} | |
| # gzip the mysql database dump file | |
| gzip $OUTPUT_FILE | |
| # show the user the result | |
| echo "${OUTPUT_FILE}.gz was created:" | |
| ls -l ${OUTPUT_FILE}.gz | |
| # prune old backups | |
| find $BACKUP_DIR -maxdepth 1 -mtime +$DAYS_TO_KEEP -name "*${FILE_SUFFIX}.gz" -exec rm -rf '{}' ';' |
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