Hello all! New here. Looks like a great community. I just started playing some OA this past weekend and I'm starting to really love it. I was never a huge Q3 fan. I first came to FPS games via UT over dial-up. In trying Q3, I never had a proper cd-key so I only used Q3 with mods installed - BFP, WoP, Western Quake (which I love). Such a great game engine. So imagine my interest when, being a Linux user, I heard of OA. Ironically, I am playing it on a wndows machine since many game I like playing work better there. Since staring to play OA, I'm starting to enjoy it it like I once enjoyed UT. Even though I get owned thoroughly, the gameplay is just incredible.
So now to my question/s. I have setup a server so some friends and I have a central place to get together and play. In setting this up, I have come across some question that I can't find answers to. I've search the interwebs high and low but have come up short - much like my OA fragging abilities

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1. Instagib - How do I make this work? I have played with the setting in the server.cfg but see no change in gameplay. I would like to acomplish 2 things with this. First, make the railgun one shot one kill even with the presence of other weapons. Second, I want to be able to run an instagib only server - both FFA and CTF. I have read about instaunlagged but cannot find a download location for it. Can some give me some pointer about this including server.cfg setup?
2. Hook - I remember playing some incredible Q2 matches on one particular map. Edge, I believe. I think I have found a Q3 conversion of that. I'd like to get that up on my server with proper rail and hook action. If I do so, I think this will get one friend of mine playing as that was his favorite game/map for years. Every new person counts, right? So how do I get the grappling hook working in OA? I need to bind a key to it, I'm sure but doesn't it really on a server-side mod? I haven't much useful information about this, either.
3. What are the optimal settings for server.cfg re: maxpackets, etc.? Is there a reference, I can look at or work off?
Any pointers or suggestions would be most appreciated. TIA.