
**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)


maybe_password);
        }
        else
        {
            fmt::print(
                "\nClickHouse has been successfully installed.\n"
                "\nStart clickhouse-server with:\n"
                " sudo clickhouse start\n"
                "\nStart clickhouse-client with:\n"
                " clickhouse-client{}\n\n",
                maybe_password);
        }
    }
    catch (const fs::filesystem_error &)
    {
        std::cerr << getCurrentExceptionMessage(false) << '\n';
        if (getuid() != 0)
            std::cerr << "\nRun with sudo.\n";
        return getCurrentExceptionCode();
    }
    catch (...)
    {
        std::cerr << getCurrentExceptionMessage(false) << '\n';
        return getCurrentExceptionCode();
    }
    return 0;
}
namespace
{
    int start(const std::string & user, const fs::path & executable, const fs::path & config, const fs::path & pid_file)