http://news.softpedia.com – On June 13, Canonical published details about OpenStack Keystone vulnerabilities for its Ubuntu 13.04 and Ubuntu 12.10 operating systems.According to Canonical, Keystone did not always properly verify expired PKI tokens or properly authenticate users.It has been discovered that Keystone did not properly authenticate users when using the LDAP backend. (IT news)

http://news.softpedia.com – Canonical, through Daniel Holbach, had the pleasure of announcing on the last day of May that the community.ubuntu.com website is now online. All members of the Ubuntu community, Ubuntu developers and Ubuntu users are now able to easily communicate with each other, share their knowledge and teach the Ubuntu ways to newcomers, via the Ubuntu Community website. (IT news)

http://www.linuxquestions.org – Published at LXer: With Linux, it is easy to customize many settings and features including appearance. Unity (one of many desktop interfaces) is no exception. Unity is the desktop interface that is maintained and developed by Canonical. Canonical uses Unity as the default interface for their popular operating system - Ubuntu. (HowTos)

http://news.softpedia.com – A security vulnerability that was discovered in the Linux kernel affecting the Ubuntu 10.04 LTS (Lucid Lynx) operating system has been announced by Canonical.These are the kernel vulnerabilities found in the Linux kernel packages: CVE-2012-6549, CVE-2012-6549, CVE-2013-1860, CVE-2013-1928, and CVE-2013-2634. (IT news)

http://thevarguy.com – As Canonical works to make Ubuntu popular on tablets and smartphones, it is also keen to keep the peace with its users, as updates to official Ubuntu websites show.read more (IT news)