Security updates have been issued by Arch Linux (expat and poppler), Debian (unrar-nonfree and vlc), Fedora (chromium and mercurial), Gentoo (freeradius, kauth, and libreoffice), Mageia (glibc, irssi, kernel, kernel-linus, kernel-tmb, and rpcbind/libtirpc), openSUSE (libgcrypt, netpbm, and sudo), Oracle (sudo), Scientific Linux (mercurial), Slackware (kernel), SUSE (jakarta-taglibs-standard, kernel, and kernel-source), and Ubuntu (apache2).
This week he introduces mkosi, a tool for making OS images. "mkosi is definitely a tool with a focus on developer's needs for building OS images, for testing and debugging, but also for generating production images with cryptographic protection.
Last week Lennart Poettering introduced casync, a tool for distributing system images.
This final image is then "production-ready", and only contains your built program and the minimal set of packages you configured otherwise.
Security updates have been issued by Arch Linux (apache and libnl), CentOS (mercurial), Debian (drupal7), Fedora (c-ares), Oracle (freeradius and kernel), Scientific Linux (kernel), SUSE (php53 and xen), and Ubuntu (kernel, linux, linux-aws, linux-gke, linux-raspi2, linux-snapdragon, linux, linux-raspi2, linux-lts-trusty, and linux-lts-xenial).