Add misc scripts to repoitory

personal/cron_scripts/pg_backup.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+# Configuration
+BACKUP_DIR="/var/lib/postgresql_archive/pg_dumpfiles"
+TIMESTAMP=$(date +%Y%m%d_%H%M%S)
+RETENTION_DAYS=7
+
+# Ensure directory exists
+mkdir -p "$BACKUP_DIR"
+
+# Get all non-system databases and back each one up.
+psql -U postgres -d postgres -Atc "SELECT datname FROM pg_database WHERE datistemplate = false AND datname <> 'postgres' ORDER BY datname" | while IFS= read -r DB_NAME; do
+	pg_dump -U postgres -d "$DB_NAME" | gzip > "$BACKUP_DIR/${DB_NAME}_$TIMESTAMP.sql.gz"
+	echo "Backup completed: ${DB_NAME}_$TIMESTAMP.sql.gz"
+done
+
+# Delete backups older than retention period
+find "$BACKUP_DIR" -type f -mtime +$RETENTION_DAYS -delete