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-rw-r--r--2018-03-25-guix-libreplanet/distracted-boyfriend.pngbin0 -> 380604 bytes
-rw-r--r--2018-03-25-guix-libreplanet/guile-logo.pngbin0 -> 11808 bytes
-rw-r--r--2018-03-25-guix-libreplanet/guix-libreplanet.org212
-rw-r--r--2018-03-25-guix-libreplanet/guix-libreplanet.pdfbin315346 -> 1572504 bytes
-rw-r--r--2018-03-25-guix-libreplanet/oh-no.jpgbin0 -> 153639 bytes
-rw-r--r--2018-03-25-guix-libreplanet/package-install.pngbin0 -> 313995 bytes
6 files changed, 185 insertions, 27 deletions
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diff --git a/2018-03-25-guix-libreplanet/guile-logo.png b/2018-03-25-guix-libreplanet/guile-logo.png
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diff --git a/2018-03-25-guix-libreplanet/guix-libreplanet.org b/2018-03-25-guix-libreplanet/guix-libreplanet.org
index 10a4594..fd5f2db 100644
--- a/2018-03-25-guix-libreplanet/guix-libreplanet.org
+++ b/2018-03-25-guix-libreplanet/guix-libreplanet.org
@@ -47,27 +47,32 @@
a wonderful set of rights, but often *difficult to exercise in
practice*
+ \begin{center}
+ \includegraphics[width=10cm]{distracted-boyfriend.png}
+ \end{center}
+
* common issues
- figuring out how to view the exact source for a running program is
- tricky
+ figuring out how to view the exact source for a running program can
+ be tricky
- - <explain>
+ - source packages are good but are a bit arcane
* common issues
building from source is difficult or sometimes impossible
+ - dependency hell
- non-standard build system
- build scripts make assumptions that aren't true for your system
+ - need multiple package managers
* common issues
- sharing source or binaries has many pitfalls
+ sharing binaries can be tricky, too
- - dependency hell
- - incompatible libraries between systems
- - high barrier to entry for common package managers
+ - high barrier to entry for common package formats
+ - binary bundles are convenient, but problematic
* common issues
@@ -102,15 +107,15 @@
- per-user profiles
- atomic updates and rollbacks
- reproducible builds
- - tools for many use-cases
+ - source-based with transparent binary downloads
* unprivileged package management
users can build and install software *without root privileges*
- tired: =sudo apt install emacs=
-
- wired: =guix package -i emacs=
+ \begin{center}
+ \includegraphics[width=8cm]{package-install.png}
+ \end{center}
* per-user profiles
@@ -130,6 +135,10 @@
oh no, the new version of Emacs is broken!
+ \begin{center}
+ \includegraphics[width=4cm]{oh-no.jpg}
+ \end{center}
+
=guix package --roll-back=
* transactional upgrades and rollbacks
@@ -143,6 +152,15 @@
no worries, just reboot and select the previous, working version
from the bootloader menu
+* a note about binaries
+
+ there is *no central point of trust* for receiving
+ pre-built binaries (we call them *substitutes*)
+
+ Guix is a *source-based* package manager, but will *transparently*
+ download pre-built binaries from a trusted third party, if
+ available.
+
* inspecting source code
quickly grab the source code for a package:
@@ -163,10 +181,21 @@
* sharing packages
- =guix build -L ~/daves-packages foo=
+ =guix build -L ~/my-packages foo=
<minimal package example>
+* development environments
+
+ =guix environment= is like Python’s virtualenv, Ruby’s rvm, Node’s
+ nvm, etc. but for *everything*
+
+ quick example: play with a Ruby REPL without installing Ruby
+
+ #+BEGIN_SRC sh
+ guix environment --ad-hoc ruby -- irb
+ #+END_SRC
+
* sharing development environments
#+BEGIN_SRC scheme
@@ -185,11 +214,58 @@
=guix environment --manifest=guix.scm=
-* experimenting in isolated environments
+* containerized environments
+
+ experiment in an environment that is isolated from the rest of the
+ system
+
+ example: a relatively constrained web browser
- how about a container?
+ #+BEGIN_SRC sh
+ guix environment --ad-hoc icecat \
+ --container \
+ --network \
+ --share=$HOME/.mozilla \
+ --share=$HOME/Downloads \
+ --expose=/tmp/.X11-unix
+
+ $ DISPLAY=:0.0 icecat
+ #+END_SRC
- =guix environment –-container --ad-hoc ruby -- irb=
+* containerized environments (advanced)
+
+ #+latex: \tiny{
+ #+BEGIN_SRC sh
+ # Create a Guix container that shares the host's network devices,
+ # GnuPG config, SSH config, and MySQL socket directory. The container
+ # includes all of the software that is needed to build the gem set
+ # with Bundler.
+ guix environment --container --network \
+ --share=$HOME/.gnupg --share=$HOME/.ssh --share=/run/mysqld --share=$HOME/Code \
+ --ad-hoc ruby@2.2 mariadb imagemagick libxml2 libxslt gcc-toolchain@4.9 \
+ gcc@4.9:lib make git coreutils openssh libffi pkg-config which sed gawk \
+ openssl grep findutils procps nss-certs sqlite inetutils rsync gnupg \
+ pinentry-tty
+ # Tweak the environment such that Ruby gems end up in the right place
+ # and their binaries can be found.
+ export GEM_HOME=$PWD/.gems
+ export PATH=$GEM_HOME/bin:$PATH
+ export LD_LIBRARY_PATH=$LIBRARY_PATH
+ export SSH_AUTH_SOCK=$HOME/.gnupg/S.gpg-agent.ssh
+ gpg-agent --daemon --enable-ssh-support --default-cache-ttl=10800 \
+ --pinentry-program=$(which pinentry-tty)
+ # Create gem directory.
+ mkdir -p .gems
+ # Create /usr/bin/env so Ruby scripts work.
+ mkdir -p /usr/bin && ln -s $(which env) /usr/bin/env
+ # Bundle!
+ gem install bundler
+ bundle config build.nokogiri --use-system-libraries --with-xml2-include=$C_INCLUDE_PATH/libxml2
+ bundle
+ # Start the server!
+ rails server
+ #+END_SRC
+ #+latex: }
* sharing system configurations
@@ -239,6 +315,10 @@
hello
#+END_SRC
+ host your own Guix LAN party!
+
+ \tiny{(okay that sounds kinda boring)}
+
* reproducible builds
reproducible builds produce *bit-identical binaries* when performed
@@ -249,11 +329,13 @@
* reproducible builds
- this is a *cross-distro effort*, but Guix facilitates
- reproducibility more than others
+ this is a *cross-distro effort*, but Guix was built to facilitate
+ reproducibility from the beginning
see Chris Lamb's talk /“You think you're not a target? A tale of
- three developers...”/ from yesterday for more perspective
+ three developers...”/ from yesterday for a deeper dive
+
+ \center\huge{https://reproducible-builds.org}
* reproducible builds
@@ -267,7 +349,24 @@
is this build compromised?
- =guix challenge=
+ #+BEGIN_SRC sh
+ guix challenge emacs \
+ --substitute-urls=\
+ "https://mirror.hydra.gnu.org \
+ https://bobs-questionable-binaries.biz"
+ #+END_SRC
+
+* reasons for mismatched binaries
+
+ innocent build nondeterminism:
+ - timestamps
+ - hardware differences
+ - build directories
+ - bad parallelism
+
+ *or maybe…*
+
+ - malicious tampering
* customize packages
@@ -311,23 +410,30 @@
* interoperate with other systems
- or maybe you want something like snap or flatpak?
+ or maybe you want something similar to snap or flatpak?
make a tarball bundle that anyone can extract on their GNU/Linux
system:
=guix pack guile emacs geiser=
-* interoperate with other systems
+* import foreign packages
or maybe you want assistance translating foreign packages into Guix
packages:
- =guix import pypi flask=
+ #+BEGIN_SRC sh
+ guix import pypi flask
+ guix import gem pry
+ guix import elpa magit
+ #+END_SRC
+
+ and many more (CRAN, CPAN, Crate, etc.)
* literally: embedded
- GuixSD now runs on the Beaglebone Black single-board computer!
+ fun fact: GuixSD now runs on the Beaglebone Black single-board
+ computer!
#+latex: \scriptsize{
#+BEGIN_SRC scheme
@@ -348,22 +454,72 @@
#+END_SRC
#+latex: }
+ hopefully more ARM systems coming soon!
+
* extending guix
+ \begin{center}
+ \includegraphics[width=4cm]{guile-logo.png}
+ \end{center}
+
GuixSD is essentially a big Scheme library
- with a little Scheme know-how its easy to write new tools that use
- the exact same APIs that the core Guix tools use
+ with a little Scheme know-how its easy to write new packages,
+ services, and tools that use the exact same APIs that the core Guix
+ tools use
+
+* extending guix (silly example)
+
+ #+latex: \tiny{
+ #+BEGIN_SRC scheme
+ > (use-modules (guix packages) (gnu packages emacs))
+ > (for-each (lambda (name)
+ (display (string-append "hey, " name "! You're an Emacs dependency!\n")))
+ (sort (map car (package-inputs emacs)) string<))
+
+ hey, acl! You're an Emacs dependency!
+ hey, alsa-lib! You're an Emacs dependency!
+ hey, dbus! You're an Emacs dependency!
+ hey, giflib! You're an Emacs dependency!
+ hey, gnutls! You're an Emacs dependency!
+ hey, gtk+! You're an Emacs dependency!
+ hey, imagemagick! You're an Emacs dependency!
+ hey, libice! You're an Emacs dependency!
+ hey, libjpeg! You're an Emacs dependency!
+ hey, libotf! You're an Emacs dependency!
+ hey, libpng! You're an Emacs dependency!
+ hey, librsvg! You're an Emacs dependency!
+ hey, libsm! You're an Emacs dependency!
+ hey, libtiff! You're an Emacs dependency!
+ hey, libx11! You're an Emacs dependency!
+ hey, libxft! You're an Emacs dependency!
+ hey, libxml2! You're an Emacs dependency!
+ hey, libxpm! You're an Emacs dependency!
+ hey, m17n-lib! You're an Emacs dependency!
+ hey, ncurses! You're an Emacs dependency!
+ hey, zlib! You're an Emacs dependency!
+ #+END_SRC
+ #+latex: }
+
+* the stack
+
+ Core components written in Scheme:
+
+ - initial RAM disk
+ - init system (GNU Shepherd)
+ - package manager
* the freedom to contribute
- GNU Guix is a welcoming community:
+ The GNU Guix project has a welcoming community:
- - we have a *code of conduct* and *enforce* it
+ - we have a *code of conduct*
- we have started seeking new contributors via *Outreachy*
- we participate in *Google Summer of Code* every year
- oh, and no copyright assignment (in case you were wondering)
+ we need your help to bring GuixSD to a wider audience!
+
join us!
* thanks!
@@ -378,3 +534,5 @@
© 2018 David Thompson
Licensed under Creative Commons Attribution Share-Alike 4.0
+
+ (sans the memes which I use under fair-use)
diff --git a/2018-03-25-guix-libreplanet/guix-libreplanet.pdf b/2018-03-25-guix-libreplanet/guix-libreplanet.pdf
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