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Revision 118 as of 2021-08-17 00:16:44
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Revision 119 as of 2021-08-17 00:20:41
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Editor: ThomasChung
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deb https://security.debian.org/debian-security bullseye-security main contrib deb https://deb.debian.org/debian-security      bullseye-security main contrib
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deb https://security.debian.org/debian-security buster/updates main contrib deb https://deb.debian.org/debian-security      buster/updates main contrib


  • Email: <debian@tchung.org>

  • Location: Southern California
  • Nationality: Korean American

Debian information

Debian Med team

The Debian Med team has been taking part in the fight against COVID-19 by packaging software for researching the virus on the sequence level and for fighting the pandemic with the tools used in epidemiology; this work will continue with focus on machine learning tools for both fields.

Debian 11 Bullseye Release Media Coverage

Debian Korean Fonts

Debian History

Debian Howto

Why Debian

Interesting Open Source Article from NASA

Linux on Mars!

This the first time we’ll be flying Linux on Mars. We’re actually running on a Linux operating system. The software framework that we’re using is one that we developed at JPL for cubesats and instruments, and we open-sourced it a few years ago.

Contributions to Open Source Community

first things to do

# apt update && apt install vim
# update-alternatives --config editor
# adduser tchung sudo

Disable vim automatic visual mode

# vi ~/.vimrc
set mouse-=a

favorite aliases

# vi .bashrc
alias l='ls -CF'
alias la='ls -A'
alias ll='ls -l'
alias ls='ls --color=auto'
alias rm='rm -i'
alias cp='cp -i'
alias mv='mv -i'
alias egrep='egrep --color=auto'
alias fgrep='fgrep --color=auto'
alias grep='grep --color=auto'

Secure URI

# vi /etc/apt/sources.list

## Secure URI for Bullseye
deb https://deb.debian.org/debian/                      bullseye main
deb https://deb.debian.org/debian/                      bullseye-updates  main contrib
deb https://deb.debian.org/debian-security              bullseye-security main contrib

## Secure URI for Buster
deb https://deb.debian.org/debian/                      buster main
deb https://deb.debian.org/debian/                      buster-updates main contrib
deb https://deb.debian.org/debian-security              buster/updates main contrib

Changed security archive layout

For bullseye, the security suite is now named bullseye-security instead of codename/updates and users should adapt their APT source-list files accordingly when upgrading.

The security line in your APT configuration may look like:

deb https://deb.debian.org/debian-security bullseye-security main contrib

neofetch for Bullseye

$ sudo apt update && sudo apt -y install neofetch
$ echo; neofetch --disable title model --ascii_colors 1 1 1 1 1 1