This page shows the 5 most recent posts in each category. Each category name is a link to another page which shows all posts in that category.

• Debian 10 on a MacBook Pro
  2021-01-09 - John Simpson - (Debian)
  Last updated 2022-01-22
  Notes from installing Debian 10 on a MacBook Pro

• Installing Jekyll on an arm64 Mac
  2021-01-02 - John Simpson - (Jekyll, Mac)
  How to install Jekyll on a Mac with an arm64 processor.
• Welcome to Jekyll!
  2020-12-16 - Jekyll Installer - (Jekyll)
  You’ll find this post in your _posts directory. Go ahead and edit it and re-build the site to see your changes. You can rebuild the site in many different ways, but the most common way is to run jekyll serve, which launches a web server and auto-regenerates your site when a file is updated.

• Installing Jekyll on an arm64 Mac
  2021-01-02 - John Simpson - (Jekyll, Mac)
  How to install Jekyll on a Mac with an arm64 processor.
• Make SSH use gpg-agent
  2018-04-01 - John Simpson - (Mac, PGP, SSH, Yubikey)
  Last updated 2022-01-22
  How to make SSH commands use a secret key stored on a YubiKey.

• Authentication Subkeys
  2019-02-01 - John Simpson - (PGP, SSH, Yubikey)
  How to add an authentication subkey to an existing GPG key, for use as an SSH key.
• Make SSH use gpg-agent
  2018-04-01 - John Simpson - (Mac, PGP, SSH, Yubikey)
  Last updated 2022-01-22
  How to make SSH commands use a secret key stored on a YubiKey.
• Reset the YubiKey OpenPGP App
  2017-12-13 - John Simpson - (PGP, Yubikey)
  How to reset the OpenPGP app on a YubiKey Neo.
• Load PGP keys into a YubiKey
  2017-12-13 - John Simpson - (PGP, Yubikey)
  Last updated 2021-01-22
  How load PGP keys into a YubiKey, so they can be used for PGP and SSH.

• Puppet - ensure_packages()
  2022-02-24 - John Simpson - (Puppet)
  Last updated 2022-02-24
  Notes about Puppet's ensure_packages() function

• Upside-Down Characters
  2020-12-24 - John Simpson - (Reference)
  ˙ʇxǝʇ uʍop-ǝpᴉsdn ɹoɟ sǝpoɔ ɟo ʇsᴉ˥

• Authentication Subkeys
  2019-02-01 - John Simpson - (PGP, SSH, Yubikey)
  How to add an authentication subkey to an existing GPG key, for use as an SSH key.
• Make SSH use gpg-agent
  2018-04-01 - John Simpson - (Mac, PGP, SSH, Yubikey)
  Last updated 2022-01-22
  How to make SSH commands use a secret key stored on a YubiKey.

• Authentication Subkeys
  2019-02-01 - John Simpson - (PGP, SSH, Yubikey)
  How to add an authentication subkey to an existing GPG key, for use as an SSH key.
• Make SSH use gpg-agent
  2018-04-01 - John Simpson - (Mac, PGP, SSH, Yubikey)
  Last updated 2022-01-22
  How to make SSH commands use a secret key stored on a YubiKey.
• Reset the YubiKey OpenPGP App
  2017-12-13 - John Simpson - (PGP, Yubikey)
  How to reset the OpenPGP app on a YubiKey Neo.
• Load PGP keys into a YubiKey
  2017-12-13 - John Simpson - (PGP, Yubikey)
  Last updated 2021-01-22
  How load PGP keys into a YubiKey, so they can be used for PGP and SSH.

• Adding git commit/date info to mdbook "books"
  2022-03-08 - John Simpson - (mdbook)
  Last updated 2022-03-08
  How to add git commit/date info to sites generated by mdbook
• Creating a "book" with mdbook
  2022-03-08 - John Simpson - (mdbook)
  Last updated 2022-09-10
  Simple walk-through of creating a "book" using mdbook.