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MEGAcmd is MEGA’s official CLI, and on Gentoo it’s easiest to build from source. The MEGA SDK snapshot used here needs a small ffmpeg compile fix (the same patch used in the Arch AUR). The steps below pull the exact sources, apply the patch, then build and install.
This is a simple, no‑frills way to take daily PostgreSQL backups with pg_dump and cron. The script writes timestamped dumps and keeps only the last 7 days.
1. Create a backup script
Create the script file:
vi /path/to/backup_script.sh
Add the content below. Swap the database credentials and backup directory.
#!/bin/bash
# Database credentialsDB_NAME="your_database_name"DB_USER="your_database_user"DB_PASSWORD="your_database_password"# Backup directoryBACKUP_DIR="/path/to/backup/directory"mkdir -p $BACKUP_DIR# Date format for backup fileDATE=$(date +%Y-%m-%d_%H-%M-%S)# Backup file nameBACKUP_FILE="$BACKUP_DIR/${DB_NAME}_$DATE.sql"# Export password to avoid promptexportPGPASSWORD=$DB_PASSWORD# Perform the backuppg_dump -U $DB_USER -d $DB_NAME -F c -f $BACKUP_FILE# Unset the passwordunset PGPASSWORD
# Optional: Delete backups older than 7 daysfind $BACKUP_DIR -type f -name "*.sql" -mtime +7 -exec rm {}\;echo"Backup completed successfully at $DATE"
