ATLAS Dedicated Server: Grid Cluster & Admin Commands Guide
Data Verified: May 2026Complete ATLAS pirate MMO admin reference. Configure ServerGrid.json grid clusters, RedisDB sharing, taming/harvest rates, and hardware sizing for multi-server PvP fleets.
Commands & configuration database
| Command | Default Value | Description | Action |
|---|---|---|---|
SessionName | ATLAS Grid A1 | Public name for this specific grid cell. | |
ServerAdminPassword | (empty) | Admin/RCON password. Must match across every grid in the cluster. | |
MaxPlayers | 100 | Concurrent player cap per grid cell. | |
TamingSpeedMultiplier | 1.0 | Multiplier for taming speed across all creatures. | |
HarvestAmountMultiplier | 1.0 | Multiplier for resources collected per harvest. | |
DiscoveryPointsMultiplier | 1.0 | Multiplier for XP rewarded by discovery zones. | |
ShipResistanceMultiplier | 1.0 | Multiplier for ship hull damage resistance. Lower = ships die faster. | |
StructureDamageMultiplier | 1.0 | Multiplier for player-built structure damage taken. | |
RCONEnabled | True | Enables RCON on the configured port. | |
RCONPort | 27020 | TCP RCON port for this grid. | |
ServerX / ServerY | 0 | Grid coordinates of this server within ServerGrid.json. | |
RedisDatabaseURL | 127.0.0.1 | Redis host shared by every grid; stores cross-cell ship/player state. | |
RedisDatabasePort | 6379 | Redis port. Required for fleet/player travel between grids. |
Showing 13 of 13 configuration parameters.
| Command | Default Value | Description | Action |
|---|---|---|---|
cheat ServerChat <msg> | N/A | Server-wide chat broadcast on this grid. | |
cheat ServerChatToAll <msg> | N/A | Cluster-wide broadcast via RedisDB to every grid. | |
cheat KickPlayer <steamID> | N/A | Disconnects the named player. | |
cheat BanPlayer <steamID> | N/A | Bans the named player on this grid and replicates to RedisDB. | |
cheat SaveWorld | N/A | Forces an immediate save of this grid cell. | |
cheat DoExit | N/A | Gracefully shuts down this grid server. | |
cheat GiveItemNum <id> <qty> <quality> <bp> | N/A | Spawns items into your inventory. | |
cheat SummonTamed <class> | N/A | Spawns a tamed creature at your location. |
Showing 8 of 8 admin console commands.
Recommended hosting providers
Vetted hosts with one-click ATLAS installs. Links are affiliate placeholders and marked rel="sponsored".
Multi-grid ATLAS hosting with shared RedisDB provisioning and one-click ServerGrid uploads.
Visit Nitrado →High-clock CPU plans for grids with active sea battles where per-ship physics dominate.
Visit GTXGaming →Dedicated boxes capable of hosting an entire 4x4 cluster + RedisDB on one machine.
Visit Host Havoc →Hardware specifications
Sizing guidance for self-hosting a ATLAS dedicated server.
| Tier | Specification | Use case |
|---|---|---|
| Single Grid (1x1, 50 players) | 12 GB RAM / 4-core 4.0 GHz+ CPU / NVMe | One cell + RedisDB. Suitable for small-crew PvE testing. |
| Small Cluster (2x2, 200 players) | 32 GB RAM / 8-core 4.5 GHz+ Dedicated Node / NVMe | Four grid processes + Redis. Each grid uses ~6-8 GB at peak. |
| Official-Size (5x5+) | 128 GB RAM / 16-core 4.5 GHz+ Dedicated / NVMe RAID | 25+ grids; consider splitting across multiple physical hosts in one datacenter. |
Default file locations
Default installation paths for ATLAS dedicated servers installed via SteamCMD.
Windows
C:\AtlasServer\ShooterGame\Saved\Config\WindowsServer\Linux
/home/steam/atlas/ShooterGame/Saved/Config/LinuxServer/Pro-Tip: Always stop the server completely before editing configuration files, or the server will overwrite your changes upon restart.
Default ports for port forwarding
Open these on your router and firewall before exposing the server to the internet.
| Service | Protocol | Port |
|---|---|---|
| Game Port | UDP | 5701 |
| Query Port | UDP | 5702 |
| RCON / Telnet | TCP | 27020 |
Frequently asked questions
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