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Linux System Security Audit with Lynis

August 30, 2020 Sergei SheshukovSystems Administration

Hi, Every crucial system needs to be regularly audited and hardened. To help a system administrator to perform the task there is a great tool called Lynis. In this article, I am going to explain how to install the tool. […]

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SSH CheatSheet

August 12, 2020December 25, 2020 Sergei SheshukovSystems Administration

To add multiple servers key fingerprint to the list of known hosts on the client: To add a single host: To generate a pair of strong private (no extension) and public (.pub) keys on a client: Alternatively, RSA which is […]

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Configuring Windows Server 2016 Active Directory

August 7, 2020 Sergei SheshukovSystems Administration

Experience level: Beginner. Hi, On some point, it is getting difficult to maintain a peer-to-peer network while your organisation is growing. Managing all those user accounts, permissions, shared resources and network printers can be tedious in this peer-to-peer network. That […]

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Install and Configure Zabbix 5.0 Server

July 14, 2020July 16, 2020 Sergei SheshukovSystems Administration

Hi! A modern systems engineer deals with many different systems: virtual machines, cloud instances, workstations, a bunch of network equipment. And it is nice to know if the critical infrastructure is up and running smoothly. That is where the Zabbix […]

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Introduction to Git

June 20, 2020June 23, 2020 Sergei SheshukovSystems Administration

Hi, Today I want to talk about the software development process and version control specifically. This feature is also useful for systems engineers who are writing shell scripts. Experience level: Beginner. Back in time, computer programs used to be smaller […]

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Creating a Virtual Storage (Storage Spaces in Windows Server 2016)

June 7, 2020June 21, 2020 Sergei SheshukovSystems Administration

Hi! The virtualization of hardware layers often makes administrative tasks much easier. Today I want to talk about storage virtualization. Experience level: Associate. Let’s say we have a separate hard drive (or SSD, it doesn’t matter in this case) in […]

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Night Coding (Sergeek Deep House Mix)

May 20, 2020June 20, 2020 Sergei SheshukovMusic
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Beautiful Waitakere Ranges park near Auckland, NZ

May 10, 2020May 24, 2020 Sergei SheshukovAdventures
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Creating a Virtual Machine using the Oracle VirtualBox software (Windows 10)

May 2, 2020May 24, 2020 Sergei SheshukovSystems Administration

Hi! Every system engineer needs a sandbox for creating and testing configurations. In this article, I am going to explain how to create a simple environment using Oracle VirtualBox in Windows 10. Experience level: Beginner. The installation of VirtualBox is […]

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Greetings to Everyone!

April 25, 2020April 28, 2020 Sergei SheshukovUncategorized

Welcome to my blog. I will post here everything I find interesting. Thanks for reading.

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Recent Posts

  • Linux System Security Audit with Lynis
  • SSH CheatSheet
  • Configuring Windows Server 2016 Active Directory
  • Install and Configure Zabbix 5.0 Server
  • Introduction to Git

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