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In this chapter, an example project will be created that uses the Photo domain of SiriKit to allow the user, via Siri voice commands, to search for and display a photo taken on a specified date. In …

Each SiriKit domain will default to a standard user interface layout to present information to the user during the Siri session. In the previous chapter, for example, the standard user interface was …

The previous chapter covered much of the theory associated with integrating Siri into an iOS app. This chapter will review the example Siri messaging extension that is created by Xcode when a new …

Although Siri has been part of iOS for a number of years, it was not until the introduction of iOS 10 that some of the power of Siri was made available to app developers through SiriKit. Initially …

All Linux distributions are provided with a firewall solution of some form. In the case of Ubuntu this takes the form of the Uncomplicated Firewall outlined in the previous chapter. This chapter will …

In the previous chapter we looked at ports and services on an Ubuntu system. We also briefly looked at iptables firewall rules on Ubuntu including the creation of a few very simple rules from the …

A firewall is a vital component in protecting an individual computer system or network of computers from external attack (typically from an internet connection). Any computer connected directly to an …

It is difficult to envisage an Ubuntu system that does not have at least one network connection, and harder still to imagine how such an isolated system could be of much practical use. The simple fact …