Lance VonRueden, articles

Ubuntu vs Linux Mint Distro Comparison
What's better Ubuntu or Linux Mint? Is Ubuntu more secure than Linux Mint? Is Ubuntu better than Linux? Are Ubuntu and Mint the same? Why is Linux Min...
Ubuntu Data Collection Report is Out! Read the Interesting Facts
What information does Ubuntu collect? Does Ubuntu steal your data? Does Ubuntu spy on users? Is Ubuntu good for privacy? Does Ubuntu still send data t...
How to Install Sendmail on Fedora 32/31/30
How do I install Sendmail? Where is Sendmail cf in Linux? How do I enable port 587 on Sendmail? Where is Sendmail located? Which is better postfix or ...
How To Assign a Floating IP Address to an Instance in OpenStack
How To Assign a Floating IP Address to an Instance in OpenStack Step 1 Create an Instance on private network. ... Step 2 Reserve a floating IP address...
How to safely remove PPA repositories in Ubuntu
Remove a PPA (GUI Method) Launch Software & Updates. Click the “Other Software” tab. Select (click) the PPA you want to delete. Click “Remove” to ...
Solve Unable to load authentication plugin 'caching_sha2_password'
The version 8.0 of MySQL has changed the default authentication plugin from mysql_native_password to caching_sha2_password. So if you are using a clie...
Easily Find Bugs In Shell Scripts With ShellCheck
What is ShellCheck? What is ## in shell script? How do I know if a shell script ran successfully? Can we debug shell script? How do I test a bash scri...
How to Calculate Matrices in Python Without NumPy
How do you write a matrix without NumPy in Python? How do you solve a linear equation in python without NumPy? How do you find eigenvalues in python w...
Great News! You'll be Able to Run Native Linux Apps on Chromebook Soon
Chromebooks will soon be able to run Linux apps, starting with Pixelbook Google has announced Chrome OS will soon have Linux app support. Pixelbook wi...
How to Secure the SSH Server in Ubuntu 20.04 from Basic to Advanced
Method of Securing the SSH Server in Ubuntu 20.04 sudo cp /etc/ssh/sshd_config /etc/ssh/sshd_config.bak. sudo sshd –T. sudo nano /etc/ssh/sshd_config....
How To Secure GitLab Server with SSL Certificate
Secure GitLab Server with a Commercial SSL Certificate After purchasing your certificate, download the Certificate file and put it with the private ke...
Linux Free Command Tutorial
What does the free command do in Linux? What are the basic command in Linux? What is the fastest way to learn Linux commands? What is free command in ...