A positive leap second will be introduced at the end of June 2015

How are my systems affected?<p>RHEL - <a href="https:&#x2F;&#x2F;access.redhat.com&#x2F;articles&#x2F;15145" rel="nofollow">https:&#x2F;&#x2F;access.redhat.com&#x2F;articles&#x2F;15145</a><p>Ubuntu - <a href="https:&#x2F;&#x2F;bugs.launchpad.net&#x2F;ubuntu&#x2F;+source&#x2F;linux&#x2F;+bug&#x2F;1020285" rel="nofollow">https:&#x2F;&#x2F;bugs.launchpad.net&#x2F;ubuntu&#x2F;+source&#x2F;linux&#x2F;+bug&#x2F;1020285</a><p>Windows - <a href="https:&#x2F;&#x2F;support.microsoft.com&#x2F;en-us&#x2F;kb&#x2F;909614" rel="nofollow">https:&#x2F;&#x2F;support.microsoft.com&#x2F;en-us&#x2F;kb&#x2F;909614</a><p>AWS - <a href="https:&#x2F;&#x2F;aws.amazon.com&#x2F;blogs&#x2F;aws&#x2F;look-before-you-leap-the-coming-leap-second-and-aws&#x2F;" rel="nofollow">https:&#x2F;&#x2F;aws.amazon.com&#x2F;blogs&#x2F;aws&#x2F;look-before-you-leap-the-co...</a><p>Google Cloud - <a href="http:&#x2F;&#x2F;googlecloudplatform.blogspot.com.au&#x2F;2015&#x2F;05&#x2F;Got-a-second-A-leap-second-that-is-Be-ready-for-June-30th.html" rel="nofollow">http:&#x2F;&#x2F;googlecloudplatform.blogspot.com.au&#x2F;2015&#x2F;05&#x2F;Got-a-sec...</a>