I've been happy with my Calibre-web install over the past year, but recently, I ditched my web hosting provider, moving pretty much everything over to AWS.

Due to this, I needed to change the email address of my Calibre-web automailer.

I signed up for a GMX account, and configured Calibre-web to use it.

Testing, to my …

Logging into one of my Linux boxes, I noticed I had a zombie process.

Welcome to Ubuntu 20.04.3 LTS (GNU/Linux 5.4.0-88-generic x86_64)

  => There is 1 zombie process.

A zombie process is

Processes marked are dead processes (so-called "zombies") that remain because their parent has not destroyed them …

I've been using Wireguard for a while when away from my house for a couple of reasons:

1. Access to my home network's servers, services, and resources.

2. Security, when accessing the internet via insecure wifi.

3. Ability to use my PiHole (DNS sinkhole).

It's been working great, but as with everything else, I wanted to …

On an OSX system, .DS_STORE (Desktop Services Store), are used to store user settings for a folder, such as the list of files, the location of the icons, the selected background image.

In a mixed-OS environment using network shares, they can be annoying.

Even in a strictly Apple environment, there are security …

By default, Ubuntu uses nano for editing visudo.

Nano is the linux editor for Windows administrator . . . don't use it!

To change it to something else, such as vim:

sudo update-alternatives --config editor
There are 4 choices for the alternative editor (providing /usr/bin/editor).

  Selection    Path …

While never a good idea to enable this in a production, or multi-user system, on a lab system, not needing to type in a password when running sudo makes life a lot easier.

• To enable password-less sudo:

  sudo visudo
  

• Add this to the bottom of the file, assuming your username is tom:

  tom ALL=(ALL) NOPASSWD: ALL
  

• If we …