
**Describe the unexpected behaviour**
Trying to install clickhouse in FreeBSD (pfsense firewall), following this [link ](https://clickhouse.com/#quick-start)

**How to reproduce**
1 - copy the ClickHouse file into pfsense from [here](https://builds.clickhouse.com/master/freebsd/clickhouse)
2 - chmod a+x ./clickhouse
3 - sudo ./clickhouse install

 **Which ClickHouse server version to use**
- 21.12.1.8928 (official build


**Error message and/or stacktrace**
Code: 107. DB::Exception: Cannot obtain path to the binary from /proc/self/exe, file doesn't exist. (FILE_DOESNT_EXIST) (version 21.12.1.8928 (official build))
![image](https://user-images.githubusercontent.com/14872281/148040641-26f23fc0-39e9-4dcd-97dc-860c9cdefb9b.png)


{
            fmt::print("Log directory {} already exists.\n", log_path.string());
        }
        else
        {
            fmt::print("Creating log directory {}.\n", log_path.string());
            fs::create_directories(log_path);
        }
        if (fs::exists(data_path))
        {
            fmt::print("Data directory {} already exists.\n", data_path.string());
        }
        else
        {
            fmt::print("Creating data directory {}.\n", data_path.string());
            fs::create_directories(data_path);
        }
        if (fs::exists(pid_path))
        {
            fmt::print("Pid directory {} already exists.\n", pid_path.string());
        }
        else
        {
            fmt::print("Creating pid directory {}.\n", pid_path.string());
            fs::create_directories(pid_path);
        }
        
        changeOwnership(log_path, user, group);
        changeOwnership(pid_path, user, group);