Arma 3

Resources
​Arma3 Server tutorial​
Headless Client
Headless Client Overview
​https://community.bistudio.com/wiki/Arma_3_Headless_Client​
Headless Client is used to offload AI calculations from the server.
Headless Client is integrated into game client and dedicated server executable (Windows and Linux, use -client parameter).
The server does not allow arbitrary connections from headless clients if you do not define the headless clients IPs in the server.cfg.
Headless Client Setup and Usage
Starting up a headless client and having it connect to your server is easy, Creating a mission that uses the Headless Client is not.
This guide only handles the setup and connecting a headless client.
Create a new server instance using LinuxGSM ./linuxgsm.sh arma3server. This will become the headless client instance and rename the new instance to arma3server-hc.
Edit the config file lgsm/config-lgsm/arma3server-hc.cfg.
Change the port= increasing the number by a factor of 12 e.g 2303 becomes 2314.
Update startparameters= changing it to the following.
startparameters="-client -connect=${ip}:${port} -password=CHANGEME"
Edit the game server config of arma3server (not the headless client) arma3server.server.cfg and add the headless client IP address to headlessClients[]=. If the headless client is on the same physical server as the ARMA 3 server then also add the IP to localClient[]=.
Do not use 127.0.0.1 as the IP address.
headlessClients[]={"1.2.3.4"}; 
localClient[]={"1.2.3.4"};
Navigate to your profile directory.
~cd ~/.local/share/Arma\ 3\ -\ Other\ Profiles
edit Player.Arma3Profile and add the line battleyeLicense=1;.
Start your server with ./arma3server start
Start your headless client with ./arma3server-hc start.
Only an admin can see the headless clients in the player menu on the server. The headless client will connect and automatically assume the first available headless client slot.
In depth guide to headless clients
A3_hc_tutorial.pdf - 708KB
Mod Support
Arma 3 mods are managed using the Steam Workshop or manual downloads.
Adding Mods
Firstly, you need to select the mods you want to use from the steam workshop.
Mods can cause your server to become unstable or may not be compatible with each other. It is a good idea to read the mods docs and/or speak with other experienced Arma3 admins.
Here is a popular mod to get started:
​CBA: Community Based Addons for Arma 3​
Download the Mod using https://steamworkshopdownloader.io/ the workshop id is 450814997
Create a directory called @cba_a3 in serverfiles/mods
serverfiles/mods/@cba_a3
Copy the contents of the mod archive to the @cba_a3 directory.
Remember to check you have the correct user permissions once uploaded
Copy the contents of the @cba_a3/keys directory to the server keys directory.
cp serverfiles/mods/@cba_a3/keys/* serverfiles/keys
Add @cba_a3 to the mods="" setting in the LinuxGSM config.
mods="mods/@cba_a3"
If you are adding multiple mods make sure you put a semicolon in between each mod.
mods="mods/@mod1;mods/@mod2"
Lower Case File Names
Arma 3 server requires that mods have lowercase names. Some mods do not do this and will need to have there file names converted to lowercase.
This can be done by using the following script.
Run the script from the serverfiles/mods directory.
#!/bin/bash
depth=0
for x in $(find . -type d | sed "s/[^/]//g")
do
if [ ${depth} -lt ${#x} ]
then
   let depth=${#x}
fi
done
echo "the depth is ${depth}"
for ((i=1;i<=${depth};i++))
do
  for x in $(find . -maxdepth $i | grep [A-Z])
  do
    mv $x $(echo $x | tr 'A-Z' 'a-z')
  done
done
Start the server and check that your mods all have valid hashes.
You should see the "Community Base Addons" mod appear in your console logfile.
15:27:37 ============================================================================================= List of mods ===============================================================================================
15:27:37 modsReadOnly = true
15:27:37 safeModsActivated = false
15:27:37 customMods = true
15:27:37 hash = 'B44C8332DD951EC30619282DAC7A59519AA0BCB6'
15:27:37 hashShort = '185e1b29'
15:27:37                                               name |               modDir |    default |   official |               origin |                                     hash | hashShort | fullPath
15:27:37 ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
15:27:37                      Community Base Addons v3.15.3 |              @cba_a3 |      false |      false |             GAME DIR | fa100065ad10a6ab7a5e16d53efc2b26f3df3b58 |  7f1d8e45 | /home/lgsm/arma3server/serverfiles/@cba_a3
15:27:37                                  Arma 3 Art of War |                  aow |       true |       true |             GAME DIR | 93cf5270ce855921dcfd261c583983d4e0bb6899 |  2930da71 | /home/lgsm/arma3server/serverfiles/aow
15:27:37                          Arma 3 Contact (Platform) |                enoch |       true |       true |             GAME DIR | 61e8060b8dce2727f235695e59de01089546d9ad |  2dd9b92b | /home/lgsm/arma3server/serverfiles/enoch
15:27:37                                       Arma 3 Tanks |                 tank |       true |       true |             GAME DIR | 37296b3dd900117d055e6c13e1ce21e54cd8067b |  dfc0778f | /home/lgsm/arma3server/serverfiles/tank
15:27:37                                     Arma 3 Tac-Ops |               tacops |       true |       true |             GAME DIR | dec763aedfdc28eab838361370a48f2411535e5a |  70a109b7 | /home/lgsm/arma3server/serverfiles/tacops
15:27:37                                 Arma 3 Laws of War |               orange |       true |       true |             GAME DIR | a786e1c2e7b3aec524cc1ce932039dc18da0351d |  128b066b | /home/lgsm/arma3server/serverfiles/orange
15:27:37                                      Arma 3 Malden |                 argo |       true |       true |             GAME DIR | b9edefa0cd211d0961282ce9b69eabeb59bda780 |  1954e272 | /home/lgsm/arma3server/serverfiles/argo
15:27:37                                        Arma 3 Jets |                 jets |       true |       true |             GAME DIR | cd6561bc9148fec23b136de7fa02bfbd71e12221 |  1f2e3b6f | /home/lgsm/arma3server/serverfiles/jets
15:27:37                                        Arma 3 Apex |            expansion |       true |       true |             GAME DIR | 2d573cab31befb9729503ed00c211628c73622cc |  e5ad6f6c | /home/lgsm/arma3server/serverfiles/expansion
15:27:37                                    Arma 3 Marksmen |                 mark |       true |       true |             GAME DIR | f0784723164eb212a22fa2d49e589bead97a9735 |  2d4eada7 | /home/lgsm/arma3server/serverfiles/mark
15:27:37                                 Arma 3 Helicopters |                 heli |       true |       true |             GAME DIR | 1af5847f6b557b98763dfdad7be3c32491cee65e |  873ada67 | /home/lgsm/arma3server/serverfiles/heli
15:27:37                                       Arma 3 Karts |                 kart |       true |       true |             GAME DIR | 5ebe4af2ae6777d560a14cf9e39d4ee3f852a75c |  3a3f5ff9 | /home/lgsm/arma3server/serverfiles/kart
15:27:37                                        Arma 3 Zeus |              curator |       true |       true |             GAME DIR | 351bd6e8b13a4e8f514a173bf78dd949c899e107 |   b6d4451 | /home/lgsm/arma3server/serverfiles/curator
15:27:37                                             Arma 3 |                   A3 |       true |       true |            NOT FOUND |                                          |           |
15:27:37 ==========================================================================================================================================================================================================
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