diff --git a/Gemfile b/Gemfile
index 53d2a6c..d1bda25 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source "https://rubygems.org"
 
 group :development do
-  gem 'rake', '~> 10.0'
+  gem 'rake', '~> 12.0'
   gem 'jekyll', '~> 2.0'
   gem 'octopress-hooks', '~> 2.2'
   gem 'octopress-date-format', '~> 2.0'
diff --git a/source/_posts/2019-02-02-debian-setup-for-personal-laptop.markdown b/source/_posts/2019-02-02-debian-setup-for-personal-laptop.markdown
new file mode 100644
index 0000000..bbb66e5
--- /dev/null
+++ b/source/_posts/2019-02-02-debian-setup-for-personal-laptop.markdown
@@ -0,0 +1,72 @@
+---
+layout: post
+title: "Debian setup for personal laptop"
+date: 2019-02-02 11:36:09 +0100
+comments: true
+categories: 
+---
+
+Setup redone after complete loss of trusty seven years old hard drive
+due to mechanical failure. Replaced with SSD, whole system reinstalled
+with fresh Debian 9.6.0.
+
+Packages installation
+=====================
+
+apt upgrade
+
+packages:
+  zsh
+  mutt
+  git
+  subversion
+  whois
+  gnumeric
+  net-tools
+  traceroute
+  apt-file
+
+packages de dépôts tiers :
+  virtualbox
+
+package de source non-free :
+  firmware-iwlwifi
+
+À la main :
+  firefox
+  Lastpass
+  Lastpass binary component (binaire à copier et JSON à générer
+    dans ~/.mozilla)
+
+Driver Nvidia
+=============
+
+Pour fonctionnement correct de l'accélération 3D dans VirtualBox
+(pour Fusion 360)
+
+  linux-headers-$(uname -r|sed 's/[^-]*-[^-]*-//')
+  nvidia-driver depuis le dépôt stretch-backports
+
+Dans xorg.conf, override manuel DPI 100x100 (défaut 143x144 : fontes
+trop grandes)
+
+Customize
+=========
+
+ln -s Téléchargements ftp
+
+Gnome-terminal:
+  palette prédéfinie blanc sur noir
+
+Apparence/fenêtres
+  focus follows mouse
+
+chsh zsh
+
+checkout scripts, ln -s .zshrc
+
+xmodmap multi_key
+
+firefox
+  setup sync
+  middlemouse.contentLoadURL <- true
diff --git a/source/_posts/2019-05-11-manual-firefox-install-on-debian.markdown b/source/_posts/2019-05-11-manual-firefox-install-on-debian.markdown
new file mode 100644
index 0000000..aebf059
--- /dev/null
+++ b/source/_posts/2019-05-11-manual-firefox-install-on-debian.markdown
@@ -0,0 +1,38 @@
+---
+layout: post
+title: "Manual Firefox install on Debian"
+date: 2019-05-11 15:26:15 +0200
+comments: true
+categories: 
+---
+
+# Install downloaded archive
+
+Download and unpack archive under `/opt`. Note: top level directory
+in archive is `firefox`, does not contain version.
+
+# Creating a GNOME launcher
+
+From https://wiki.debian.org/Firefox:
+
+```plain /usr/share/applications/firefox.desktop
+[Desktop Entry]
+Name=Firefox ''Your version''
+Comment=Web Browser
+GenericName=Web Browser
+X-GNOME-FullName=Firefox ''Your version'' Web Browser
+Exec=/path/to/firefox/firefox %u
+Terminal=false
+X-MultipleArgs=false
+Type=Application
+Icon=/path/to/firefox/browser/chrome/icons/default/default128.png
+Categories=Network;WebBrowser;
+MimeType=text/html;text/xml;application/xhtml+xml;application/xml;application/vnd.mozilla.xul+xml;application/rss+xml;application/rdf+xml;image/gif;image/jpeg;image/png;x-scheme-handler/http;x-scheme-handler/https;
+StartupWMClass=Firefox
+StartupNotify=true
+```
+
+# Setting it as default
+
+See [previous post]({% post_url 2017-10-11-chaging-default-browser-for-gnome-on-debian %}).
+