Game server guides

Practical help for running FiveM and Minecraft servers, from the team that hosts them: fixing joins and downloads, choosing the right size and keeping attacks out.

FiveM guides

• FIVEMFix “Failed to connect after 3 attempts” in FiveMWhat the error means, quick checks for players, and the server settings that cause it.
• FIVEMFiveM “Failed to fetch server variables” and CURL errorsWhat CURL error codes 28, 7, 6, 56 and 35 mean, and the checks for players and server owners that fix each one.
• FIVEMFiveM “Failed handshake to server” and HTTP 502What HTTP 502, 503, 504, 403 and 405 mean when joining, and what players and server owners can do about each.
• FIVEMFiveM “No license key specified” errorGet a key in the Cfx.re Portal, set sv_licenseKey, and fix a server.cfg that does not load or a server that cannot reach Cfx.re.
• FIVEMFiveM server not showing in the server listThe new Cfx.re Portal listing, private settings and the firewall rules that keep a server off the list.
• FIVEMFiveM “attempt to index a nil value” in ESX and QBCoreWhat global 'ESX', global 'QBCore' and local 'xPlayer' mean in this error, and how to fix each one.
• FIVEMFiveM stuck on downloading assetsWhy big servers stall on the loading screen, and how to make joins faster for everyone.
• FIVEMFix the FiveM server thread hitch warningWhat the warning means, how to find the slow resource with the profiler, and how to fix it.
• FIVEMSet up a FiveM server on Linux with txAdminFrom a fresh Ubuntu VPS to a running city: FXServer, txAdmin, MariaDB, a framework and the firewall.
• FIVEMFiveM server requirements by player countHow much CPU, memory, storage and bandwidth a roleplay server needs, with starting sizes.
• FIVEMQBCore vs ESX vs QboxHow the three big roleplay frameworks differ, and how to pick one for a new or existing city.
• FIVEMProtect a FiveM server from DDoS attacksHow attacks hit FiveM servers, and the layers that keep your city online.

Minecraft guides

• MINECRAFTCan't connect to a Minecraft serverTimed out, refused, unknown host or outdated client: what each error means and how to fix it.
• MINECRAFTMinecraft server won't startMatch the console message to its cause: EULA, Java, memory, port, jar and plugin errors.
• MINECRAFTFix “Can't keep up! Is the server overloaded?”What TPS and MSPT mean, how to find lag with spark, and the fixes that bring back 20 TPS.
• MINECRAFTWhich Java version a Minecraft server needsJava 17, 21 or 25 for each Minecraft version, how to check yours, and how to fix UnsupportedClassVersionError.
• MINECRAFTMinecraft “Failed to bind to port” errorFind what holds port 25565 and fix server-ip, second servers, game panels and proxies.
• MINECRAFTMinecraft “connection forcibly closed” errorWhat the “Internal Exception” messages mean, and what players and server owners can check.
• MINECRAFTMinecraft “Failed to verify username” errorThe launcher sign-in, login servers, online-mode and proxy settings that cause it, for players and owners.
• MINECRAFTMinecraft server out of memory errorsFix the Java heap space error, “Could not reserve enough space” and sudden “Killed” crashes.
• MINECRAFTMake a Minecraft server on a Linux VPSJava, Paper, start flags, the firewall and keeping the server running, step by step.
• MINECRAFTHow much RAM a Minecraft server needsMemory for vanilla, Paper, plugins and modpacks, and how to keep lag down.
• MINECRAFTPaper, Purpur, Fabric or Forge?Plugins or mods, speed or features: how the main server types compare, and which to pick.
• MINECRAFTProtect a Minecraft server from DDoS attacksNetwork floods and bot attacks, a hidden IP, firewall rules and PROXY protocol for real player IPs.