This tutorial is part of a series we dedicated to Ansible. Previously we talked about the Ansible basics, then we focused on some Ansible modules we can use to perform some very common administration tasks, and we also talked about Ansible loops. In this article, instead, we learn how to create interactive prompts we can use to ask for user input and how to pass variables at runtime.
Although the cpio archiving utility is nowadays used less than other archiving tools like tar, it is still good to know how it works, since it is still used, for example, to create initramfs images on Linux and for rpm packages, which are used mainly in the Red Hat family of distributions.
Passwords should never be stored as plain text. Whether we are talking about a web application or an operating system, they should always be in hash form (on Linux, for example, hashed passwords are stored in the
Wake-on-lan (also known with the “W.O.L” acronym) is a standard ethernet feature which allows a machine to be woken up on the reception of a specific type of network packet (the so called MagicPacket). The main advantage of this feature is that it allows us to keep a machine in a low power consumption state, and be accessed only when needed.
As you probably noticed a long time ago, online websites can be accessed either with or without their www. prefix. For example www.linuxconfig.org and linuxconfig.org.
If you’re running Linux inside a VirtualBox virtual machine, installing the Guest Additions software will help you get the most out of the system. VirtualBox Guest Additions will give the machine more capabilities, such as a shared clipboard with the host system, drag and drop file transfer, time synchronization, shared folders, automatic window resizing, and more.