How to: Linux / Unix :penguin:
> News
* [/r/linux](https://www.reddit.com/r/linux/) - discussions & news about linux on reddit
* :star: [**nixCraft**](https://www.cyberciti.biz/) - linux tips, hacks, tutorials and ideas
* [Red Hat Enterprise Linux Blog](http://rhelblog.redhat.com/) - latest information on Red Hat's IT infrastructure products, offerings, and solutions
* [Opensource.com](https://opensource.com/) - stories about creating, adopting, and sharing open source solutions
* [The Linux Foundation](https://www.youtube.com/channel/UCfX55Sx5hEFjoC3cNs6mCUQ) - The Linux Foundation Youtube Channel
* [Senthil Kumar aka SK](https://www.ostechnix.com/securely-permanently-delete-data-linux/) - (2017) How To Securely And Permanently Delete Your Data In Linux
* [Alltop](https://linux.alltop.com/) - Top Linux News aggregated
* [Tux Machines](http://www.tuxmachines.org/) - a community-driven public service/news site which has been around for over a decade and primarily focuses on GNU/Linux

> Learn
* [kahun/awesome-sysadmin](https://github.com/kahun/awesome-sysadmin) - A curated list of amazingly awesome open source sysadmin resources
* :star: [**n1trux/awesome-sysadmin**](https://github.com/n1trux/awesome-sysadmin) - (fork of [kahun/awesome-sysadmin](https://github.com/kahun/awesome-sysadmin))
* [Binh Nguyen](http://www.tldp.org/LDP/Linux-Dictionary/html/index.html) - (2004) Linux Dictionary
* [Gareth Anderson](http://www.tldp.org/LDP/GNU-Linux-Tools-Summary/html/index.html) - (2006) GNU/Linux Command-Line Tools Summary
* [Sandra Henry-Stocker](http://www.computerworld.com/article/2696541/operating-systems/unix--knowing-your-memory-commands.html) - Unix: Knowing your memory commands
* [Sandra Henry-Stocker](http://www.computerworld.com/article/3184929/linux/lesser-known-but-still-handy-linux-commands.html) - Lesser known but still handy Linux commands
* [Sandra Henry-Stocker](http://www.computerworld.com/article/3152772/linux/17-unix-tricks-for-a-happy-2017.html) - 17 Unix tricks for a happy 2017
* [Sandra Henry-Stocker](http://www.computerworld.com/article/3154741/linux/profiling-your-users.html) - Using Unix commands to profile your users
* [Sandra Henry-Stocker](http://www.computerworld.com/article/3066941/linux/administering-unix-systems-like-your-mom-taught-you.html) - Administering Unix systems like your mom taught you
* [Sandra Henry-Stocker](http://www.computerworld.com/article/3069981/linux/the-linux-command-that-you-should-never-say-out-loud.html) - thefuck : The Linux command that you should never say out loud
* [Scott Rippee](http://www.hypexr.org/linux_scp_help.php) - Example syntax for Secure Copy (scp)
* [Sandra Henry-Stocker](http://www.computerworld.com/article/2974753/linux/doing-math-with-awk.html) - Doing math with awk
* [Vivek Gite](https://www.cyberciti.biz/networking/nmap-command-examples-tutorials/) - (2018) Top 32 Nmap Command Examples For Sys/Network Admins
* [Lakshmanan Ganapathy](https://www.thegeekstuff.com/2012/08/lsof-command-examples) - (2012) 15 Linux lsof Command Examples (Identify Open Files)
* [The Geek Stuff](https://www.thegeekstuff.com/2010/11/50-linux-commands/) - (2010) 50 Most Frequently Used UNIX / Linux Commands (With Examples)
* :star: [**Command line fu**](http://www.commandlinefu.com/commands/browse) - a place to find those command-line gems that you return to again and again.
* [Ramesh Natarajan](https://www.thegeekstuff.com/2011/06/iptables-rules-examples/) - (2011) 25 Most Frequently Used Linux IPTables Rules Examples. **Bonus** : [Gist on GitHub](https://gist.github.com/virtualstaticvoid/1024546)
* [Nick Congleton](https://www.maketecheasier.com/secure-linux-desktop-with-iptables/) - How to Secure Your Linux Desktop with Iptables
* [The Geek Stuff](https://www.thegeekstuff.com/2010/09/linux-one-liners/) - (2010) 6 Useful Linux One Liners
* [Maxim Chernyak](http://hakunin.com/permissions) - Linux permissions cheatsheet
* [CHMOD command calculator](https://chmodcommand.com/)
* [Corinna Baldauf](http://wall-skills.com/2015/the-find-command-in-examples/) - (2015) The find command in examples
* [Dan Tehranian](https://dantehranian.wordpress.com/2015/08/10/automating-linux-security-best-practices-with-ansible/) - (2015) Automating Linux Security Best Practices with Ansible
* [Fedora](https://mirrors.fedoraproject.org/mirrorlist?repo=epel-6&arch=x86_64) - Fedora Mirrors list for EPEL-6 and arch x86_64 . see also [Fedora Mirror Manager](https://admin.fedoraproject.org/mirrormanager/)
* [Fedora](https://dl.fedoraproject.org/pub/epel/7/x86_64/a/) - All EPEL-7 and arch x6-x64 packages
* [Christian Stankowic](https://www.stankowic-development.net/?p=7900&lang=en) - CentOS 7 and the incorrect dist RPM macro
* [Vultr](https://www.vultr.com/docs/use-dnf-to-manage-software-packages-on-centos-7) - Use DNF To Manage Software Packages On CentOS 7
* [Server Fault](https://serverfault.com/questions/368602/how-do-i-update-a-centos-servers-time-from-an-authoritative-time-server) - How do I update a CentOS server's t