1. Sysctl Configuration (Kernel & Network Tuning)
Applies Linux kernel, TCP/IP, filesystem, memory, connection tracking, and NIC offload tuning for high concurrency VPS workloads.
2. uCareSystem Core (Auto Update Tool)
Installs uCareSystem Core to automate Ubuntu package updates, cleanup unused packages, and remove old kernels.
3. Add Swapfile & Zram (Managed Package)
Creates or resizes a disk swapfile and configures ZRAM so small VPS instances handle temporary memory pressure more safely.
4. Install Golang
Installs the latest Go toolchain from go.dev and updates shell profile PATH entries.
5. Purge Snapd
Aggressively removes Snap packages, snapd, leftover Snap data, and blocks snapd reinstallation through APT preferences.
6. Install PostgreSQL (Smart Installer)
Installs PostgreSQL from the official PGDG repository and interactively creates a database user and database.
7. Primary DB Auto Config & Backup
Initializes a primary PostgreSQL data directory, tunes database settings, and provides backup/restore migration flow.
8. Apply u-limit 65535
Raises open file limits to 65535 for users and selected systemd services such as PostgreSQL, PgBouncer, and Nginx.
9. Increase IOPS Server Performance
Adds noatime and memory writeback tuning to reduce unnecessary disk writes and improve perceived I/O behavior.
10. Auto-Detect Interface & Force DNS (Anti-DHCP)
Forces physical interfaces to use Cloudflare or Google DNS through systemd-resolved and persists it with a systemd service.
11. TailScale Gateway
Configures a public VPS as an iptables/Tailscale gateway that forwards selected game/API ports to a private backend node.
12. rclone GDrive Ubuntu
Installs rclone and writes a Google Drive remote configuration for backup storage.
13. Auto Backup and Upload to GDrive (Fixed & Secure)
Creates a cron-driven PostgreSQL backup job that uploads compressed custom-format dumps to Google Drive using rclone.
14. Fail2ban Config
Installs Fail2ban and creates an interactive SSH jail configuration for brute-force protection.
15. Change SSH Port
Changes the SSH listening port, updates nftables and Fail2ban, and offers rollback if new login testing fails.
16. Setup Erupe Auto-Update & Management Script
Installs Erupe directory registration, update automation, service management shortcuts, logging helpers, and an interactive manager.
17. Master Orchestration (Cluster Management) v3.0 Hardened
Installs a hardened multi-node orchestration toolkit for RAIN/Erupe clusters with SSH, sync, database, health, audit, and rolling-update workflows.