A Technical I.T./DevOps Blog
Question
What are the different acronym stacks in I.T.?
Answer
There are many open source combinations of technologies that are in wide use. These acronyms referred to as “full stacks” or “stacks” appear in articles and job descriptions. A full stack is a bundle of software that (includes an OS and) can create a complete and functional product when properly configured.
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Problem scenario
You want to install Angular on Linux. You want steps to install on any Linux distribution including CentOS/RedHat/Fedora, Debian/Ubuntu, and SUSE. What should you do?
Solution
1. Install npm and node. If you need directions see this posting.
2. Run this command (and be prepared to wait for 60 minutes or more):
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Continue reading “How Do You Install Angular 5 on Any Type of Linux?”
Updated on 5/1/20
Problem scenario
You have a Linux server with 1 GB of RAM. You want to install node and npm because you want to try out the latest JavaScript technologies. (You were persuaded to not use Gulp or Grunt to manage build scripts. You want to use npm because of this link.) You want to use the same copy of the bash script on CentOS/RedHat/Fedora,
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Continue reading “How Do You Install node and npm on Any Distribution of Linux Server?”
Question
Some programming languages adhere to a discipline known as being “strongly typed.” This attribute governs variable assignments. Is Python a strongly-typed language?
Answer
Technically, yes it is. Some interviewers for jobs involving Python may ask this question and expect you to say “no it is not.”
Detailed Explanation
In software development there are many people who have used Python and found its variables to be “dynamically typed” and not “statically typed.”
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Problem scenarios
This is a two-in-one posting. The same solution works for two different problem scenarios.
Problem scenario A
You want to create a certificate signing request permissions file (a csr.pem) to learn more about it. You also want to try to use HTTPS as a test. How do you do these things?
Problem scenario B
You want to implement a solution with TLS.
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Problem scenario
Using a RHEL server in AWS, you try this command “npm -v”, and it shows that npm is not installed. You want to use the npm utility or you want Node.js to be installed on your RedHat version 7 Linux server in AWS. You may have tried various yum commands but received errors about dependencies. Various other scripts fail to get npm to be a recognized command. How do you install npm and/or Node.js without changing yum repositories and without using the wget command?
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Continue reading “How Do You Install Npm and/or node.js on a AWS Instance of RHEL?”
Problem scenario
You enter the command “npm -v” but get an error about the command not being found or recognized. How do you install npm on a RedHat derivative Linux server?
Solution
(You may want to see these directions instead if you want to use a script that will work on any distribution of Linux (including RHEL, Debian or SUSE distributions).
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Continue reading “How Do You Install npm on a CentOS/RedHat/Fedora Server?”