
**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)


{
    auto sh = ShellCommand::execute(command);
    WriteBufferFromFileDescriptor wb_stdout(STDOUT_FILENO);
    WriteBufferFromFileDescriptor wb_stderr(STDERR_FILENO);
    copyData(sh->out, wb_stdout);
    copyData(sh->err, wb_stderr);
    if (throw_on_error)
    {
        sh->wait();
        return 0;
    }
    else
        return sh->tryWait();
}
static bool ask(std::string question)