RRRoger#FirstProject#定时自动备份1

# 定时自动备份 ## 1. 添加脚本 ``` sudo su postgres cd vim pgbackup.sh ``` - 粘贴以下文本 ```bash #!/bin/bash db_name="hesai_stock" file_name="/home/hesai/db-backups/" pg_dump $db_name -U postgres > "$file_name$db_name-`date '+%