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https://github.com/woozymasta/bercon

bercon is the command line interface for the BattlEye RCON protocol for Linux and Windows
https://github.com/woozymasta/bercon

arma arma3 battleye battleye-rcon cli dayz rcon rcon-client rcon-console

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bercon is the command line interface for the BattlEye RCON protocol for Linux and Windows

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README 

        
# bercon



![logo][]



`./bercon` is the command line interface for the **BattlEye RCON** protocol



> [!NOTE]  

> This document is available in the languages:

> [eng 🇬🇧][], [cz 🇨🇿][], [rus 🇷🇺][], [ua 🇺🇦][]



## Description



`bercon` provides a convenient way to interact with the server using the

BattlEye RCON (Remote Console) protocol.

This tool allows you to execute various commands,

control the server, and track responses from the server.



It is suitable for such servers as Arma2, Arma3, DayZ, etc. using the

protocol [BERConProtocol][], with a full list of games you can

check out the full list of games on the [BattlEye][] website



## Installation



You can download the latest version of the programme by following the links

[Linux] or [Windows]



For Linux you can also use the command



```bash

curl -#SfLo /usr/bin/bercon \

  https://github.com/WoozyMasta/bercon/releases/latest/download/bercon

chmod +x /usr/bin/bercon

bercon -h && bercon -V

```



Or do the build yourself



```bash

git clone https://github.com/WoozyMasta/bercon

cd bercon

cargo build

```



## Parameters



```txt

BattlEye RCON CLI



Usage: bercon [OPTIONS] --password  



Commands:

  cli     Open interactive CLI

  exec    Execute a command (e.g. commands or players)

  listen  Listen for server responses

  help    Print this message or the help of the given subcommand(s)



Options:

  -i, --ip                 Server IPv4 address [env: BERCON_IP=] [default: 127.0.0.1]

  -p, --port             Server UDP port [env: BERCON_PORT=] [default: 2305]

  -P, --password     Password [env: BERCON_PASSWORD]

  -t, --timeout       Timeout in seconds [env: BERCON_TIMEOUT=] [default: 45]

  -k, --keepalive   Keepalive in seconds [env: BERCON_KEEPALIVE=] [default: 30]

  -d, --debug                  Print debug messages and data

  -h, --help                   Print help

  -V, --version                Print version

```



> [!NOTE]  

> If the timeout is set to less than the connection control,

> then the connection control value will also change to the set value.  

> Connection control cannot be set for more than 45 seconds,

> because it makes no sense, and all larger values will be set to 45 seconds.



## Usage Examples



You can use arguments, variables, or a combination of both



```bash

bercon -p 2306 -P myPass exec players

BERCON_PASSWORD=myPass BERCON_PORT=2306 bercon exec players

BERCON_PASSWORD=myPass bercon -p 2306 exec players

```



The argument value has the highest priority over the environment variable



```bash

# pas$$word will be used

BERCON_PASSWORD='strong' bercon -P 'pas$$word' exec players

```



Don't forget to use inverted commas, as passwords and commands may contain

command line control characters.

When you use arguments with `-`,

such as `say -1`, you should specify `--` to tell the program,

that the argument analysis is complete



```bash

bercon --ip 192.168.0.10 --port 2306 --password 'pas$$word' exec -- '#lock'

bercon -i 192.168.0.10 -p 2306 -P 'pas$$word' exec -- '#unlock'

bercon -t1 -i 192.168.0.10 -p 2306 -P 'pas$$word' exec -- say -1 'Hello world!'

```



## Additional linux examples



You can also use variables to store parameters for

different servers in different files



```bash

# in the ~/.server-1.env file

BERCON_IP=192.168.0.10

BERCON_PORT=2306

BERCON_PASSWORD='pas$$word'.



# read the file and execute the command

. .server-1.env && bercon exec players

```



An example function that will allow you to execute commands on several of your

DayZ servers at the same time



> [!TIP]  

> Functions can be placed in `~/.bashrc` for quick access to them



```bash

export DAYZ_SERVERS_COUNT=5



dayz-all-rcon() {

  for i in $(seq 1 "$DAYZ_SERVERS_COUNT"); do

    printf '[%s] ' "Server-$i"

    . "~/.server-$i.env".

    bercon -t1 exec -- "$1";

    echo

  done

}



# show players on all servers

dayz-all-rcon players

# ban GUIDs permanently on all servers

dayz-all-rcon addBan "$GUID" 0 cheater

```



This example will allow you to conveniently perform a delayed restart on all

DayZ servers at the same time, notifying players that a restart is imminent



> [!TIP]  

> This example recycles the function from the previous example



```bash

dayz-all-restart() {

  local timer="${1:-120}" step="${2:-10}"

  dayz-all-rcon '#lock'

  dayz-all-rcon say -1 "Server locked for new connection, restart after $timer seconds"

  for i in $(seq "$timer" "-$step" 0); do

    sleep "$step"

    dayz-all-rcon say -1 "Restart server after $timer seconds"

  done

  dayz-all-rcon '#shutdown'

}



# restart all servers after 120 (default) seconds

dayz-all-restart

# restart all servers after 360 seconds

dayz-all-restart 360

```



> [!CAUTION]  

> At the time of writing, the modified version of the DayZ server for Linux

> has a problem with server stopping ([T179734]), you may need to additionally

> monitor the state of the process. As one solution for example

> script [DayZ Linux Server watchdog]



With this example, you can stop and shut down all DayZ servers

before maintaining your server



> [!TIP]  

> This example utilises the function from the previous example



```bash

dayz-all-shutdown() {

  dayz-all-restart "${1:-120}" "${2:-10}"

  for i in $(seq 1 "$DAYZ_SERVERS_COUNT"); do

    systemctl --user stop "dayz-server@$i.service" &

    systemctl --user disable "dayz-server@$i.service"

  done

  wait

}



# shutdown all servers after 360 seconds

dayz-all-shutdown 360

```



[eng 🇬🇧]: README.md

[ua 🇺🇦]: docs/README.ua.md

[rus 🇷🇺]: docs/README.ru.md

[cz 🇨🇿]: docs/README.cz.md

[logo]: assets/logo.png



[Linux]:  "Linux x86 gcc binary"

[Windows]:  "Windows exe file"

[BattlEye]:  "BattlEye – The Anti-Cheat Gold Standard"

[BERConProtocol]:  "BattlEye RCON Protocol Specification"

[T179734]: https://feedback.bistudio.com/T179734 "linux modded server shutdown bug"

[DayZ Linux Server watchdog]: https://gist.github.com/WoozyMasta/3c3aaf8d1b1517e9ee47c6b2a96fee96 "DayZ Linux Server watchdog"