Ninja Admins Community - Linux Developer

Fedora Linux Resources Guide

Fri, 29 Jan 2021 01:35:37 -0500

Fedora Linux Resources

Quote:Fedora creates an innovative, free, and open source platform for hardware, clouds, and containers that enables software developers and community members to build tailored solutions for their users.

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Download Fedora Workstation, Fedora Server, Fedora Silverblue, Fedora CoreOS, Fedora Spins..

Get Fedora | Downloads :
https://getfedora.com

Fedora Spins :
https://spins.fedoraproject.org/

Fedora Remixes :
https://fedoraproject.org/wiki/List_of_Fedora_remixes

Fedora Docs :
https://docs.fedoraproject.org/en-US/docs/

Fedora Developer Portal :
https://developer.fedoraproject.org/

Fedora Magazine :
https://fedoramagazine.org/

Fedora Wiki :
https://fedoraproject.org/wiki/Fedora_Project_Wiki

Planet Fedora :
http://fedoraplanet.org/

Fedora Community Blog :
https://communityblog.fedoraproject.org/

Fedora Project on Youtube :
https://www.youtube.com/fedoraproject

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Community Discussions :

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https://discussion.fedoraproject.org/
https://www.reddit.com/r/Fedora/
https://forums.fedoraforum.org/forum.php

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Phoronix Linux News :
https://www.phoronix.com/linux/Fedora

https://www.phoronix.com/scan.php?page=s...=Fedora+35
https://www.phoronix.com/scan.php?page=s...=Fedora+34
https://www.phoronix.com/scan.php?page=s...=Fedora+33
https://www.phoronix.com/scan.php?page=s...=Fedora+32
https://www.phoronix.com/scan.php?page=s...=Fedora+31

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Fedora/CentOS Stream/Red Hat Enterprise Linux Guide :

https://github.com/mikeroyal/Fedora-Guide

A guide on setting up your Fedora/CentOS Stream/Red Hat Enterprise Linux Desktops with all the essential Applications,
Tools, and Games to make your experience with Fedora/CentOS Stream/Red Hat Enterprise Linux great!

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Setting Up a Development Environment on Linux

Thu, 28 Jan 2021 23:40:08 -0500

Here's a collection of guides showing how to setup up a developer environment / workstation on Fedora Linux.

For more than a decade I used a Windows desktop for website development, and for the last couple of years I've been working in Fedora Linux ( desktop and server ) for most of my web application development.

I'm more interested in doing all my work in a Linux environment, mainly because Linux is much more fun, more stable & more reliable than windows in many ways.
It's easy to get started with Linux, a lot of the tools and programs are made for developers and everything that matters for web sites / web applications runs on Linux servers in the real world.

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Visit the Fedora Developer Portal .
Fedora has a dedicated site for helping developers to get started with basic installation / setup guides :

Quote:Fedora Developer Portal is a place for developers running Fedora on their workstation or virtual machine for their development needs.
Fedora offers plenty of packages for developers, but they were not that easy to find and understand.
Therefore the goal of this site is to present the packages available on Fedora and explain how to use them.

https://developer.fedoraproject.org
https://developer.fedoraproject.org/about.html
https://developer.fedoraproject.org/tech.html

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Remi Collet, maintainer of the famous Remi Repo shares his great knowledge of the Linux environment by setting up multiple PHP versions in the same workspace :

Remi Collet | My PHP Workstation :
https://blog.remirepo.net/post/2022/02/1...orkstation
https://blog.remirepo.net/post/2016/04/1...orkstation

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More great guides :

Stuart Ellis | Setting Up Fedora Workstation for Software Development :
https://www.stuartellis.name/articles/fe...ion-setup/

Deepu K Sasidharan | My beautiful Linux development environment :
https://dev.to/deepu105/my-beautiful-lin...nment-2afc
https://deepu.tech/my-beautiful-linux-de...vironment/

Darryl Dias | How to install Development Tools on Fedora Linux :
https://darryldias.me/2019/install-devel...ls-fedora/

My web development environment (Alacritty, Tmux, Neovim) :
https://dev.to/hlappa/my-web-development...eovim-4pd2

Dale Corns | One way to setup Fedora distro for Web Development :
https://gist.github.com/dcorns/11149802

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Installing Vagrant (Laravel Homestead) on Fedora :
https://robbinespu.gitlab.io/blog/2019/1...on-fedora/

Setup python 3.6 enviroment with virtualenv :
https://robbinespu.gitlab.io/blog/2019/0...irtualEnv/

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Setting Up a Fedora 31 Workstation for Go Cloud Native Application Development :
https://medium.com/learning-cloud-native...700467bf7b

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Development Environment
https://fedora-infra-docs.readthedocs.io...nment.html

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Feel free to add your own links to any guides you have written or have found on how to setup a developer environment / workstation.

SELinux Guides

Tue, 12 Jan 2021 04:04:09 -0500

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Basic SELinux Troubleshooting in CLI
https://access.redhat.com/articles/2191331

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Quote:[ root@server ]# ausearch -m ALL -ts recent

Quote:[ ninja@workstation ]# sudo ausearch -m ALL -ts recent

Install and setup Git on Linux

Sat, 09 Jan 2021 05:08:36 -0500

Let's look at how we can install git on our own linux system, clone a repo, and get started with basic git config settings.

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It's easy to install Git on Fedora / CentOS :

Quote:sudo dnf install git

You can also choose to install the git-all package instead, to download all git related sub packages.

Getting Started - Installing Git :
https://git-scm.com/book/en/v2/Getting-S...alling-Git

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Next you may want to create a new Git repo, or clone an existing Git repo.

To create a new git repo on the command line, cd to the directory you want to work in and type :

Quote:git init

To clone a Git repo from Github on the command line, copy the link from a repo and use git clone to download the files locally :

Quote:git clone git@github.com:ninjadmins/my-blog-app.git

You have the choice of using https, ssh or github cli links to clone a repo. If you plan on using ssh you'll need to setup your own ssh keys.
On Github the clone with ssh links only show up when you're logged in.

More on how to fork a repo :
https://docs.github.com/en/github/gettin...ork-a-repo

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Git Ignore :

Always be one step ahead.
Before making your first commit, it's a good idea to create a .gitignore file for your new repo, and double check your git config settings.

Make a habit out of adding a .gitignore file before anything else, to save time and avoid accidentally commiting sensitive files that you will need to remove later.

Git Config :
https://git-scm.com/docs/git-config

Also check your settings in git config and ensure your username / email address is setup properly.
You can have system level, global and local config settings. In some cases your username / email may need to be set to different accounts for different repos.

Quote:git config --list

git config --global
git config --local

Using multiple git accounts on the same system.

When cloning a repo using ssh, git will use your global config unless you specify the account directly in the clone path.
First you'll need to setup multiple ssh keys. Read more about the process in the link below.

How to manage multiple GitHub accounts on a single machine with SSH keys :
https://www.freecodecamp.org/news/manage...dc30ccaca/

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If you haven't setup your username and email in the git config file yet, you'll see a message like this when you add a git commit :

Quote: git commit -m "update readme"

[master 43672f7] update readme
Committer: ninja
Your name and email address were configured automatically based
on your username and hostname. Please check that they are accurate.
You can suppress this message by setting them explicitly. Run the
following command and follow the instructions in your editor to edit
your configuration file:

git config --global --edit

After doing this, you may fix the identity used for this commit with:

git commit --amend --reset-author

1 file changed, 12 insertions(+), 5 deletions(-)

git used the information from the current shell environment to set the username and email, and this may be incorrect for the repo you're working on.

You would need to edit your git config to add in your correct github account details.

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Getting Started - First-Time Git Setup :
https://git-scm.com/book/en/v2/Getting-S...-Git-Setup

More guides to help you get started with Git :
https://ninjadmins.com/topic/getting-sta...urces-list

Open source voice assistants for linux

Sat, 09 Jan 2021 04:57:35 -0500

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Open source voice assistants for linux :

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MyCroft :

https://mycroft.ai/
https://mycroft-ai.gitbook.io/docs/
https://mycroft-ai.gitbook.io/docs/about...se-mycroft
https://mycroft-ai.gitbook.io/docs/using...roft/linux

https://github.com/MycroftAI/

https://opensource.com/article/20/6/open...-assistant
https://opensource.com/article/20/6/mycroft

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Kalliope :
https://kalliope-project.github.io/

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SlapBot :
https://slapbot.github.io/

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Open Assistant :
https://openassistant.org/
https://twitter.com/open_assistant

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Dragonfire :
https://github.com/DragonComputer/Dragonfire
https://github.com/mozilla/DeepSpeech
http://www.cstr.ed.ac.uk/projects/festival/

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Jasper :
https://jasperproject.github.io/

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Jarvis :
https://github.com/sukeesh/Jarvis

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https://linto.ai/

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https://www.jovo.tech/

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https://github.com/rcbyron/hey-athena-client

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Creating a login banner message on linux

Sat, 09 Jan 2021 03:27:11 -0500

Creating your own login banner message on linux is possible with just a few steps.

In this example I'm using Fedora server.
First you need to enable showing the banner in your sshd_config file.

Open the sshd_config file with vim :

Quote:sudo vim /etc/ssh/sshd_config

Scroll down until you find the banner section.

In vim press 'i' to enter insert ( edit ) mode.
Set the full path to the banner message :

Quote:Banner /etc/issue.net

Next we'll edit the issue.net file with vim :

Quote:sudo vim /etc/issue.net

Add your login banner text.
Press the esc key and type :wq to save your changes & exit vim.

Check it's working by running the cat command :

Quote: cat /etc/issue.net

More great examples of what you can do to customise the login banner :
https://www.putorius.net/custom-motd-log...linux.html
https://www.cyberciti.biz/faq/howto-chan...n-message/

what is the difference between /etc/issue.net and /etc/issue
https://serverfault.com/questions/922235...-etc-issue

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Here's how mine looks now when logging in via putty / kitty :

issue-banner.PNG (Size: 20.7 KB / Downloads: 15)

Great Linux Distributions

Fri, 08 Jan 2021 02:56:06 -0500

A list of great Linux distributions.

Distro hopping is a popular hobby for many people.
The only thing better than jumping around is when you find a distro that feels just right,
and you never need to look for another distro again. For a little while at least.

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My favourites so far :

Fedora
CentOS
KaOS
Linux Mint
MX Linux

I've tried many others, these are the most memorable and the distro's I would recommend to others.

Fedora linux powers my daily working environment. I mostly use the CLI only server version everyday, and after testing out most of the desktop spins over a few months I settled on the Cinnamon spin for my desktop OS.

Then I created my own version of Fedora linux from scratch using the livecd tools program and wrote my own kickstart files to drop some of the packages I didnt need, to create a more minimal system. Over the course of 2 weeks I fine tuned this into the system I'm still using today. I've been able to keep it updated to the latest version without too many problems.

CentOS 6 was basically my first home linux desktop / server that used to learn with. I have multiple cli only servers and a few desktops to work on.

Linux Mint is one of the best desktop OS ever produced, but I'm more comfortable with a RHEL based operating system. I found that building an operating system with the Cinnamon desktop from Linux Mint on a Fedora linux system gives me the best of both worlds.

KaOS is a great KDE based independant desktop OS and I had a lot of fun testing this out. I also wanted to run a webserver on my dektop though and didn't get very far with KaOS. The philosophy of only using the best packages and resisting bloat by not having multiple software options, makes KaOS a standout choice.

MX Linux is a powerful independant desktop OS that has a lot of great features. Maybe too many options and software packages when compared to KaOS.

One thing I found is that I prefer to install packages with a cli package manager. Sometimes the software managers are slower and less reliable.

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What's the best Linux distro for you ? :
https://www.redhat.com/en/topics/linux/w...ro-for-you

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New Linux distros based on CentOS :

Alma Linux
https://almalinux.org/

Rocky Linux
https://rockylinux.org/