Looking forward to start with Unix or gain deep insight but too exhausted to search for. You have landed at the right place. Whatever you need, you will find it right here.

• Linux.com –
  News for the Open Source Professional.
• Red Hat Enterprise Linux Blog –
  Your official source for the latest information on Red Hat’s IT infrastructure products, offerings, and solutions
• Kali Linux Blog –
  Kali Linux is an open source project that is maintained and funded by Offensive Security, a provider of world-class information security training and penetration testing services. In addition to Kali Linux, Offensive Security also maintains the Exploit Database and the free online course, Metasploit Unleashed.

• Tecmint – Linux Howtos, Tutorials and Guides –
  This blog publishes high quality articles on FOSS (Free Open Source Software) technologies regularly. As a noob or even as an experienced user, Tecmint articles are very helpful in your day to day tasks.
• nixCraft — Linux Tips, Hacks, Tutorials, And Ideas In Blog –
  NixCraft is an online community of new and seasoned Linux / Unix sysadmins who want to make the most of sysadmin-hood.
• The Linux Foundation –
  The Linux Foundation is dedicated to building sustainable ecosystems around open source projects to accelerate technology development and industry adoption. The Linux Foundation hosts projects spanning enterprise IT, embedded systems, consumer electronics, cloud, networking, and more.
• Linux, InfoSec, Hacking – blackMORE Ops –
  Source for Kali Linux, Hacking, How to Guides and Tutorials.
• CloudLinux –
  For Hosting Providers and Data Centers
• Linux Academy Blog –
  Linux and cloud training platform.
• THE GEEK DIARY –
  HOWTOS | BASICS | CONCEPTS
• SysTutorials –
  SysTutorials publishes tutorials and news on Linux, Software, Programming, Web and more related topics.
• GoLinuxHub –
  SysAdmin Tutorial Guide
• Linuxtopia –
  Linuxtopia is an extensive online resource for anyone learning or deploying enterprise level open source technology. Whether you are a C, C++, Java or Web developer, a system or database administrator, hardware engineer or a security specialist you will find Linuxtopia to be an indispensable source of technical information.
• LinOxide – Linux / Opensource HowTos And Tutorials –
  LinOxide is a blog platform where we publish howto articles and guides on linux and unix based distros. This portal will include tips & tricks, command line commands, opensource tools and server administration on FOSS (Free Open Source Software) technologies.
• Linux Journal –
  Linux Journal, currently celebrating its 24th year of publication, is the original magazine of the global Open Source community.
• Linux Today –
  Linux News on Internet Time
• Cronweekly –
  A weekly newsletter for Linux and Open Source sysadmins
• OSTechNix –
  Open Source Technology – Linux And Unix
• LinuxInsider –
  Linux News and Information from Around the World
• Linux Security Blog –
  This blog mainly focus on online security.
• Kali Linux Tutorials –
  More news on Kali Linux
• Unix As A Second Language –
  Advice for everyday Unix systems administration and some clever ways to approach more challenging problems.
• Linux Hint –
  Get The Latest Linux and FOSS Tech News
• Linux Secrets –
  The source for Linux information
• LinuxTechi –
  LinuxTechi.com is a website that provides best collection of opensource Linux Tutorials and Guides , moreover it also provides linux system admin interview questions and answers for begineers and experience professionals.
• ArchLabs Linux –
  News, updates and announcements concerning ArchLabs!
• It’s FOSS blog –
  The aim of It’s FOSS is to increase the number of Linux desktop users and that aim is achieved by helping them to solve various issues one might encounter. Tutorials are written keeping beginners in mind with screenshots and proper steps.
• NoobsLab –
  Ubuntu/Linux News, Reviews, Tutorials, Apps
• The Linux Juggernaut –
  Get updates on Linux/Devops tips, tricks, mini How-to’s etc
• Linux News Sites 2018 –
  Popular Linux News
• Distrowatch –
  DistroWatch is a website dedicated to talking about, reviewing and keeping up to date with open source operating systems.
• TheLinuxDaily –
  Tutorials, Guides, Tips, and Tricks from Everyday Experiences
• Gaming On Linux –
  GamingOnLinux is the home of Linux and SteamOS gaming. Covering Linux Games, SteamOS, Reviews and more.
• Kernel Talks –
  Kerneltalks aims at covering basic tasks (L1, L2) of Linux and Unix system administrators. You may not find detailed high level coding/configs/articles on Linux/Unix but you will always find basic things here.
• Guru99 | Linux/Unix Tutorial for Beginners –
  This tutorial is for absolute beginner’s guide to Linux.
• LinuxTechLab –
  Linux Devops Tutorial, Scripting tutorials, how to’s , Tips & Tricks

Think that I missed something? Please leave your opinions in Comments section below.