You can but as far as I know - Signal service does not work on Linux:
Forum on trading, automated trading systems and testing trading strategies
Metatrader4 / Linux / Signals
Aleksey Pak, 2015.05.18 09:43
And if you are still looking for Linux so there are some good article about HowTo:
A real MetaTrader for LInux ? - an open question to MetaQuotes Software Corp.
Sergey Golubev, 2016.11.17 08:19
TRADING USING LINUX
Sergey Golubev, 2016.11.17 08:20
METATRADER 5 ON LINUX
Linux is a Unix-like computer operating system assembled under the model of free and open source software development and distribution. Linux systems are widely used in smartphones and server hardware. Many home PC users prefer it to MS Windows series.
In this article, you will find out how to work in MetaTrader 5 via one of the Linux versions - Ubuntu.
Sergey Golubev, 2016.11.17 08:22
METATRADER 4 ON LINUX
In this article, you will find out how to work in MetaTrader 4 via one of the Linux versions - Ubuntu.
Sergey Golubev, 2016.11.17 08:23
RUNNING METATRADER 4 CLIENT TERMINAL ON LINUX-DESKTOP
Like the majority of programs, written exceptionally for a family of Windows operation systems, the MetaTrader 4 Client Terminal was long unavailable for use by Linux operation system admirers. Launching this program using vmware emulator doesn't count. This emulator uses too many resources. Besides it is not an opensource, which the author of the article considers a disadvantage. Moreover, the developers of this generally good program make the registration, necessary for receiving and using their product, more difficult with each new version. There is also Lin4Win. It is also paid, so the opensource fans do not face a wide choice - only wine. GPL license, under which the program is distributed, allows involving a great number of programmers from all over the world in the development of this non-emulator. That is why the new versions of this program appear on the average twice a month, sometimes even more often. With each new version the number of programs, working under Windows, that now can be launched using this emulator increases. Now let's get directly to running MetaTrader 4 Client Terminal.
And this is the last one (the latest):
How to Start with Metatrader 5
Sergey Golubev, 2017.02.05 06:32
MT5 with Linux: "a debugger has been found running in your system" error fixing.
Read this post for more information.