Daily Distribution Without Password 7z Repack

7z a -t7z -mx9 test_repack.7z /your/test/folder ls -lh test_repack.7z No password. No hassle. Just daily distribution done right.

7z a -t7z -mx9 archive.7z /data/source/ -xr!*.tmp -xr!*.log -xr!__pycache__ If your daily repack exceeds 2GB, split it: daily distribution without password 7z repack

# Append to daily_repack.sh # Passwordless SFTP using SSH keys (NO password in script) sftp -i ~/.ssh/id_rsa -oBatchMode=yes user@distributionserver <<EOF put "$DIST_DIR/$ARCHIVE_NAME" "/incoming/$ARCHIVE_NAME" bye EOF No password is typed or stored. The security comes from SSH keys, not the archive password. Part 4: Advanced Techniques for Daily Repacking 1. Differential Repacks (Spare Disk Space) Instead of recompressing everything daily, use 7z's update switch: 7z a -t7z -mx9 test_repack

if [ $? -eq 0 ]; then echo "[$(date)] Repack successful: $ARCHIVE_NAME" >> "$LOG_FILE" # Optional: calculate checksum for integrity sha256sum "$DIST_DIR/$ARCHIVE_NAME" > "$DIST_DIR/$ARCHIVE_NAME.sha256" else echo "[$(date)] Repack FAILED" >> "$LOG_FILE" exit 1 fi 7z a -t7z -mx9 archive