Garry's Mod Guides
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Server AdminGarry's Mod Server Setup: SteamCMD, server.cfg, Workshop Collections & RCON
How to stand up a Garry's Mod dedicated server: installing free app 4020 with SteamCMD (anonymous login works), the srcds launch line and built-in gamemodes, why your GSLT must be created under app 4000, which ports to forward, server.cfg essentials, hosting a Workshop collection so players actually download your addons, DarkRP and TTT setup, tickrate facts, and enabling genuine Source RCON.
Server AdminGarry's Mod Server Admin, RCON & ULX Commands: Console Reference
Every Garry's Mod admin command an operator needs: enable Source RCON (and why "GMod RCON is broken" is folklore), the built-in kick/ban commands and what users.txt actually does, install ULX and bootstrap your first superadmin, the full ULX moderation command set with its real default groups, sandbox limit cvars, and Workshop content hosting - plus the traps: timed bans never persisting, ULib bans living in SQLite since 2022, and the dead sbox_plpldamage cvar.