How to back-up Postgres database on Linux using cronjob

How to back-up Postgres database on Linux using cronjob

Learn how to backup Postgres database on Linux, using cronjobs. Very simple and very straight forward guide step by step using only scripts.

  1. Make new .pgpass file in the root folder
$ vi .pgpass

And paste the content from /root/.pgpass

  1. Create new file /root/ and paste the content
  2. Change permissions
$ chmod 700 /root/
  1. Add new cron
$ crontab -e

Add at the end of the file the content:

0 0 * * * /root/



# This script will backup the postgresql database
# and store it in a specified directory

# Constants


# Date stamp (formated YYYYMMDD)
# just used in file name
CURRENT_DATE=$(date "+%Y%m%d")
# Database named (command line argument) use pg_dump for targed backup

# Cleanup old backups

find $BACKUP_DIRECTORY/* -mtime +7 -exec rm {} \;


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