What Type of Linux File Has Permissions That Are Symbolized with a “c”?

0 Comments

Problem scenario
You run this command: sudo ls -lh /dev

You see output like this:

crw-rw—- 1 root tty 7, 131 Dec 23 19:20 vcsa3
crw-rw—- 1 root tty 7, 132 Dec 23 19:20 vcsa4
crw-rw—- 1 root tty 7, 133 Dec 23 19:20 vcsa5
crw-rw—- 1 root tty 7, 134 Dec 23 19:20 vcsa6

You want to know if the “c” is a link to another file or something else.

…

Continue reading “What Type of Linux File Has Permissions That Are Symbolized with a “c”?”

How Do You Get Molecule Commands to Work when You Get “Unable to contact the Docker daemon”?

0 Comments

Problem scenario
When in virtualenv you try to run a Molecule command. But you get this message:

ERROR: Unable to contact the Docker daemon. Please refer to https://docs.docker.com/config/daemon/ for managing the daemon

What should you do?

Solution
1. Exit virtualenv. Run this command: deactivate

2. Go back into virtualenv (e.g., run a command like this source my_env/bin/activate).

…

Continue reading “How Do You Get Molecule Commands to Work when You Get “Unable to contact the Docker daemon”?”

How Do You Get JavaScript to Present in a Web Browser?

0 Comments

Problem scenario
You have a .js file on your desktop or on a web server. You want to have the code execute and present itself nicely (not just see the raw code) in a web browser. How do you do this?

Solution
You must use the .html extension. You must have

<html</html

tags. Here is an example. Name this file contint.html and place it on your desktop,

…

Continue reading “How Do You Get JavaScript to Present in a Web Browser?”