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+# 📦 Requirements
+
+```bash
+sudo apt update
+sudo apt install mariadb-client postgresql-client
+```
+
+# ⚠️ Common Issues and Fixes
+
+### ❌ mysqldump: command not found
+### Cause: MySQL client is not installed.
+
+Fix:
+```bash
+sudo apt install mariadb-client
+```
+
+### ❌ pg_dump: command not found
+
+### Cause: PostgreSQL client is missing.
+Fix:
+```bash
+sudo apt install postgresql-client
+```
+
+### ❌ pg_dump: error: aborting because of server version mismatch
+
+### Cause: The local pg_dump is version 15, while the remote PostgreSQL server is version 17.
+Fix: Install pg_dump version 17 from the official PostgreSQL (PGDG) repository:
+```bash
+# Add the official PostgreSQL repository
+echo "deb http://apt.postgresql.org/pub/repos/apt/ bookworm-pgdg main" | sudo tee /etc/apt/sources.list.d/pgdg.list
+wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo gpg --dearmor -o /etc/apt/trusted.gpg.d/pgdg.gpg
+sudo apt update
+
+# Install the PostgreSQL 17 client
+sudo apt install postgresql-client-17
+
+```
+
+
+# ⏰ Automating via Cron
+
+Open your crontab:
+
+```bash
+crontab -e
+```
+
+Add a line like this to run the script daily at 1 AM:
+```bash
+0 1 * * * /path/to/backup.sh >> /path/to/logs/backup.log 2>&1
+```
+
+# 🔐 Security Tips
+Restrict access to the config file containing credentials:
+
+```bash
+chmod 600 config.sh
+```