Task 1: https://oliverlahti.com/2018/01/23/getting-started-with-linux/
Task 2: https://oliverlahti.com/2018/01/31/xubuntu-using-the-terminal-emulator/
Task 3: https://oliverlahti.com/2018/02/07/installing-testing-and-running-apache/
Task 4: https://oliverlahti.com/2018/02/14/basic-virtual-server-configuration/
Task 5: https://oliverlahti.com/2018/02/28/installing-and-using-ssh-sysstat-monitoring/
Task 6: https://oliverlahti.com/2018/03/05/basic-scripting-on-linux/